Regulations concerning Action and Limit values

Date FOR-2024-04-05-581
Ministry Ministry of Labour and Social Inclusion
Published
In force 2013-01-01
Last amended FOR-2024-04-05-581
Last updated
Corected
Title Regulations concerning action and limit values for physical and chemical agents in the working environment and classified biological agents (Regulations concerning Action and Limit values)

  1. Chapter 1. Introductory provisions

    The purpose of these regulations is to protect employees against the dangers arising from physical, chemical and biological agents in the undertaking by listing limit values, action values and infection risk groups.

    The regulations apply to undertakings where the employees may be exposed to physical, chemical or biological agents.
    Chapter 2 does not apply to offshore petroleum activities.

    Employers shall ensure that the provisions of these regulations are implemented.
    Chapters 1, 4, 5 and 6 of the regulations also apply to undertakings with no employees.
    Chapters 2 and 3 shall also be implemented by undertakings with no employees that engage in
    • -
      building and construction activities
    • -
      agricultural activities.
    The regulations also apply to breathing air suppliers.

    For the purpose of these regulations, the following definitions shall apply:
    1. a.
      daily noise exposure level, LEX,8h: the equivalent A-weighted level (LpAeq,T) for a nominal eight-hour working day in accordance with the international standard ISO 1999:1990 points 3.5 and 3.6. It includes all noise in the workplace;
    2. b.
      limit value: a value for noise exposure that must not be exceeded;
    3. c.
      group I: working conditions where there are high demands for continuous concentration or a need for conducting unstrained conversations, and in mess rooms and recreation rooms;
    4. d.
      group II: working conditions where it is important to conduct conversations or with persistently high requirements for precision, speed and attention;
    5. e.
      group III: working conditions involving noisy machinery or equipment that are not covered by working groups I or II;
    6. f.
      peak sound pressure level, LpC,peak: the C-weighted peak emission sound pressure level, measured during a measurement period with the instrument set to ‘peak’;
    7. g.
      action value: an exposure value that requires measures to be implemented in order to reduce the health risk and unfortunate exposure to a minimum.

    For the purpose of these regulations, the following definitions shall apply:
    1. a.
      daily exposure value: the energy equivalent mean value of the frequency-weighted acceleration throughout the working day normalised to an eight-hour reference period (A(8)). A(8) = A(T)√T/8 where A(T) equals the daily exposure to vibration throughout a working day of a total duration of T hours. For hand and arm vibrations, A(T) is determined pursuant to NS-EN-ISO-5349-1, Chapters 4 and 5 and Annex A. For whole body vibrations, A(T) is determined pursuant to NS-ISO-2631-1, Chapters 5 to 7 and Annexes A and B as the daily exposure value in the axial direction giving the highest value when K factors for a sitting or standing person are employed;
    2. b.
      daily exposure limit value (A(8)): daily exposure value that shall not be exceeded;
    3. c.
      whole-body vibration: mechanical vibration transmitted to the whole body and entailing a risk of harm to health, in particular trauma of the spine, and that may also entail a safety risk;
    4. d.
      hand and arm vibration: mechanical vibration transmitted from work equipment to the human hand or arm and entailing a risk of vascular, bone or joint neurological or muscular disorders, and that may also entail a safety risk;
    5. e.
      daily exposure action value (A(8)): daily exposure value that requires the implementation of measures in order to reduce the risk to a minimum.

    For the purpose of these regulations, the following definitions shall apply:
    1. a.
      fibre: a particle longer than 5 µm, with a diameter smaller than or equal to 3 µm, and with a length to width ratio greater than or equal to 3:1;
    2. b.
      limit value: the maximum value of the average concentration of a chemical substance in an employee’s breathing zone over a fixed reference period of eight hours;
    3. c.
      chemical: any element, chemical compound or mixture thereof, whether it occurs naturally or is industrially produced or is used or released by any work operation, regardless of whether or not it is produced intentionally. This applies irrespective of whether the chemical is available on the market.

    For the purpose of these regulations, the following definitions shall apply:
    1. a.
      Biological limit value: The limit to the concentration of a given agent in a biological environment, its metabolites or an effect indicator.
    2. b.
      Biological factors: microorganisms, including genetically modified organisms, cell cultures, human endoparasites and prions that can induce infections, allergy or toxic effects in humans.
      Microorganisms means: a microbiological unit, cellular or non-cellular, able to replicate or transfer genetic material.
      Cell culture means: the result of in vitro cultivation of cells from multicellular organisms.
    3. c.
      micro-organism: any cellular or non-cellular microbiological entity capable of replication or of transferring genetic material.

    For the purpose of these regulations, the following definitions shall apply:
    1. a.
      Electromagnetic field: static electric, static magnetic and time variable electric, magnetic and electromagnetic field with frequencies up to 300 GHz.
    2. b.
      Limit value: values determined on the basis of biophysical and biological considerations, in particular scientifically well-established short term and acute direct effects such as thermal effects and electric stimulation of tissue, that must not be exceeded,
    3. c.
      Limit value for health effects: limit values that may cause adverse health effects for exposed employees such as heating and stimulation of nervous and muscular tissue, that must not be exceeded,
    4. d.
      Limit values for sensory effects: limit values that may cause exposed employees to experience temporary sensory disturbances and minor changes to the brain functions, that must not be exceeded,
    5. e.
      Non-coherent optical radiation: artificial optical radiation, with the exception of laser radiation,
    6. f.
      Ionising radiation: X radiation, particle radiation, or radiation from a radioactive substance in the wavelength range between 0.01-10 nm,
    7. g.
      Artificial optical radiation: electromagnetic radiation of a wavelength range between 100 nm and 1 mm that is not emitted from the sun. The spectrum of optical radiation is divided into ultraviolet radiation, visible radiation (light) and infrared radiation,
      Ultraviolet radiation: optical radiation of wavelength range between 100 nm and 400 nm. This range is further divided into UVA (315-400 nm), UVB (280-315 nm) and UVC (100-280 nm),
      Visible radiation: optical radiation of wavelength range between 380 nm and 780 nm,
      Infrared radiation: optical radiation of the wavelength range between 780 nm and 1 mm.
      This range is further divided into IR-A (780-1400 nm), IR-B (1400-3000 nm) and IR-C (3000 nm-1 mm),
    8. h.
      Action value: an exposure value that requires measures to be implemented in order to reduce the health risk and unfortunate exposure to a minimum.

    The Norwegian Labour Inspection Authority, the Norwegian Ocean Industry Authority and the Civil Aviation Authority of Norway may grant exemption from the regulations in their respective areas if warranted on special grounds, if justified from a health and safety perspective and not in breach of the EEA Agreement.

  2. Chapter 2. Noise

    The action values for noise exposure are set to:
    a)lower action value for working conditions in group I:LEX,1h = 55 dB
    b)lower action value for working conditions in group II:LEX,1h = 70 dB
    c)lower action value for working conditions in group III:LEX,8h = 80 dB
    d)upper action values:LEX,8h = 85 dB and
    LpC,peak = 130 dB
    For working conditions in groups I and II, noise from the worker’s own activities shall not be a part of the assessment for the lower action values, provided that the worker can disrupt the noise. For mess rooms and recreation rooms, only background noise from installations, adjacent premises and surroundings shall be included in the assessment.

    The limit values for noise exposure are set to:
    1. a.
      daily noise exposure level, LEX,8h: 85 dB
    2. b.
      peak sound pressure level, LpC,peak: 130 dB
    The determination of the worker’s effective noise exposure shall take account of the real-ear attenuation provided by the individual hearing protectors that the worker is required to wear.

  3. Chapter 3. Vibrations

    Action values for daily exposure (A(8)):
    1. a.
      for hand and arm vibration: 2.5 m/s2
    2. b.
      for whole-body vibration: 0.5 m/s2

    Limit values for daily exposure (A(8)):
    1. a.
      for hand and arm vibration: 5.0 m/s2
    2. b.
      for whole-body vibration: 1.1 m/s2

  4. Chapter 4. Radiation

    The following limit values shall not be exceeded:
    1. a.
      The limit value for workers over the age of 18 years is set to 20 mSv per calendar year.
    2. b.
      The radiation dose to the lens of the eye shall not exceed 20 mSv per calendar year.
    3. c.
      The radiation dose for the skin, hands and feet shall not exceed 500 mSv per calendar year.
    4. d.
      For apprentices aged between 16 and 18 who employ radiation sources in their education, dose limits of 5, 15 and 50 mSv, respectively, per calendar year shall apply instead of the doses listed under (a)-(c).
    5. e.
      In the case of pregnant women, the dose for the foetus shall not exceed 1 mSv for the remaining part of the pregnancy, i.e. from the time that pregnancy is confirmed.

    The limit values for exposure to artificial optical radiation, with the exception of laser radiation, are set out in Annex 3. The limit values for exposure to laser radiation are set out in Annex 4.

    Action and limit values for exposure to electromagnetic fields are laid down in Annexes 5, 6 and 7.
    Exposure may exceed the limit values if the exposure takes place in connection with installation, testing, use, development, maintenance or research related to magnetic resonance imaging (MRI) equipment for patients in the health sector, on condition of the following:
    1. a.
      the risk assessment shows that the limit values have been exceeded,
    2. b.
      all technical and organisational measures have been implemented,
    3. c.
      circumstances warrant exceeding the limit values,
    4. d.
      the special nature of the work site, work equipment or work method has been taken into account and,
    5. e.
      the employer can demonstrate that the employees continue to be protected against exposure to health hazards and safety risks, including ensuring that the equipment manufacturer’s instructions for safe use have been adhered to.
    The exposure may exceed the limit values temporarily in certain sectors or in connection with certain activities not comprised by the second paragraph, if the following has been met:
    1. a.
      the risk assessment shows that the limit values have been exceeded,
    2. b.
      all technical and organisational measures have been implemented,
    3. c.
      the special nature of the work site, work equipment or work method has been taken into account and,
    4. d.
      the employer can demonstrate that the employees continue to be protected against exposure to health hazards and safety risks, including by using comparable, more specific and internationally recognised standards and guidelines.

  5. Chapter 5. Chemicals

    Limit values relating to pollutants in the working atmosphere are listed in Annex 1 to the regulations.

    1. a.
      The limit value for lead is 0.5 µmol/l per litre blood for women of fertile age and 1.5 µmol/l per litre blood for other employees.
    2. b.
      The limit value for mercury in urine is 30 µg Hg/g creatinine.

    Sand and other blasting agents used for sand blasting must not be carcinogenic.
    Blasting agents must not contain lead or lead compounds, biologically available nickel or more than one per cent by weight of quartz or other crystalline silica.

    Cements and cement-containing mixtures that in hydrated form contain more than 2 mg soluble hexavalent chromium per kg dry cement may not be used.
    The requirement in the first paragraph does not apply to use in connection with controlled, enclosed and fully automated processes where cement and cement-containing mixtures are handled by machines only and where there is no possibility of contact with the skin.

    As far as possible, breathing air from the filling plant must be free of contaminants and be tasteless and odourless. The following values shall not be exceeded:
    1. a.
      10 ppm (11 mg/m3) carbon monoxide (CO)
    2. b.
      500 ppm (900 mg/m3) carbon dioxide (CO2)
    3. c.
      1 mg/m3 oil
    4. d.
      50 mg/m3 water for cylinders with a filling pressure of 200 bar and 30 mg/m3 water for cylinders with a filling pressure of 300 bar
    The O2 content shall be 21.0% +/- 0.5%.

    The prohibition on work with special chemicals is described in Chapter 12 of the Regulations concerning Organisation, Management and Employee Participation and in Chapters 3 and 4 of the Regulations concerning the Performance of Work.

  6. Chapter 6. Classification of biological agents

    As a basis for protection measures against biological hazard sources, the employer shall use the list in Annex 2 when assessing risks constituted by biological agents.

  7. Chapter 7. Final provisions

    Wilful or negligent violation of these regulations or decisions made pursuant to these regulations, or aiding and abetting thereto, is a criminal offence pursuant to Chapter 19 of the Working Environment Act.

    If someone who has acted on behalf of the enterprise has violated provisions in these regulations or decisions made pursuant to these regulations, the enterprise can be fined pursuant to Section 18-10 of the Working Environment Act.

    These regulations enter into force on 1 January 2013.

  8. Offshore petroleum activities are subject to the limit values with safety factors as mentioned in Section 36 of the Activities Regulations. Activities at onshore facilities (see Section 6(e) of the Framework Regulations) shall be planned with safety factors reflecting limit values.
    The list includes comments as follows:
    A:Chemicals to be treated as provoking allergic reactions or other hypersensitivity in the eyes or respiratory organs, or to be treated as provoking allergic reactions in contact with skin.
    E:The EU has adopted a recommended limit value for the substance.
    G:The EU has adopted a binding limit value for the substance.
    H:Chemicals that can be absorbed through the skin.
    K:Chemicals to be treated as carcinogenic.
    M:Chemicals to be treated as mutagenic.
    R:Chemicals to be treated as harmful to reproduction.
    S:The short-term exposure limit: the average concentration of a chemical substance in an employee's breathing zone that must not be exceeded over a given reference period. The reference period is 15 minutes unless otherwise specified.
    T:The ceiling value: a momentary value indicating the maximum concentration of a chemical substance in the breathing zone, which must not be exceeded.
    CAS numberNameppmmg/m3CommentsLast amended
    75-07-0Acetaldehyde2545K
    60-35-5Acetamide1025K
    67-64-1Acetone125295
    75-05-8Acetonitril3050HE2007
    Acetylene tetrabromide, see 1,1,2,2-Tetrabromoethane
    Acetylene tetrachloride, see 1,1,2,2-Tetrachloroethane
    50-78-2Acetylsalsylic acid–5
    AES wool0.5 fibre/cm32007
    Acrolein, see Acrylaldehyde
    107-02-8Acrylaldehyde0.020.05HE2018
    0.050.12S
    79-06-1Acrylamide–0.03HKM
    107-13-1Acrylonitrile24H K
    79-10-7Acrylic acid1029AE2018
    2059S
    309-00-2Aldrin–0.25H
    Allyl alcohol, see 2-Propen-1-ol
    107-11-9Allylamine25
    Allyl (2,3- epoxypropyl) ether, see
    1-Allyloxy-2,3-epoxypropane
    Allyl glycidyl ether, see
    1-Allyloxy-2,3-epoxypropane
    Allyl chloride; see 3-Chloropropene
    106-92-31-Allyloxsy-2,3-epoxypropane522TA
    2179-59-1Allyl propyl disulphide212
    7429-90-5Aluminium powder (pyrotechnics)–5
    Aluminium-soluble salts (calculated as Al)–2
    Aluminium alkyls–2
    1344-28-1Aluminium oxide–101
    Aluminium welding fumes–5
    141-43-52-Aminoethanol12.5HE2007
    2-Aminopropane, see 2-Propylamine
    504-29-02-Aminopyridine0.52
    Ammate, see Ammonium sulphamate
    61-82-5Amitrole0.2E2018
    7664-41-7Ammonia1511E22012
    5036S
    12125-02-9Ammonium chloride–101
    7773-06-0Ammonium sulphamate–101
    Amorphous silicon dioxide Respirable dust–1.5
    625-16-1tert-Amyl acetate50260E
    iso-Amyl alcohol, see 3-Methyl-1-butanol
    62-53-3Aniline14HK
    o-Anisidine and p-Anisidine, see 2-Methoxyaniline and 4-Methoxyaniline
    Anon, see Cyclohexagon
    Antimony and Antimony compounds (calculated as Sb)–0.5K
    7803-52-3Antimony hydride0.050.25K
    ANTU, see 1-Naphthylthiourea
    Arsenic and inorganic Arsenic compounds (except Arsenic hydride) (calculated as As)–0.01K
    7784-42-1Arsenic hydride0.0030.01K
    Arsinic, see Arsenic hydride
    Asbestos, all forms0.1 fibre/cm3GK
    8052-42-4Asphalt (fumes)–5
    1912-24-9Atrazine–5K
    111-40-03-Azapentane-1,5-diamine14HA
    3-Azapentane-1,5-diol, see 2,2’-Iminodiethanol
    86-50-0Azinphos-methyl–0.2H
    Aziridin, see Ethylenimine
    Barium and Barium compounds (except Barium sulphate) (calculated as Ba)–0.5E
    17804-35-2Benomyl0.8101
    71-43-2Benzene13GHK
    1,2-Benzenediamine, see o-Phenylenediamine
    108-46-31,3-Benzenediol10452007
    108-98-5Benzenethiol0.52
    1,2,4-Benzenetricarboxylic acid 1,2-anhydride, see Benzene-1,2,4-tricarboxylic acid 1,2-anhydride
    552-30-7Benzene-1,2,4-tricarboxylic acid 1,2-anhydride0.0050.04A
    106-51-41,4-Benzoquinone0.10.4
    94-36-0Benzoyl peroxide–5A
    85-68-7Benzyl butyl phthalate (BBP)–1RE2007
    Benzyl chloride, see α-Chlorotoluene
    Beryllium and Beryllium compounds (calculated as Be)–0.001K
    92-52-4Biphenyl0.21
    Bis (2,3-epoxypropyl) ether, 2,2’-[oxybis(mehtylene)] bisoxirane
    80-05-7Bisphenol A, inhalable–2ARE2018
    Bis (2-chloroethyl), see 2,2’-Dichlordiethyl ether
    Bis-chloroethyl ether, see 1,1’-Dichloromethyl ether
    Lead and inorganic Lead compounds (calculated as Pb) (dust and fumes)–0.05GR
    301-04-2Lead acetate (calculated as Pb)–0.05KR
    7446-27-7Lead phosphate (calculated as Pb)–0.05KR
    7758-97-6Lead chromate (calculated as Cr(VI))–0.005KR2010
    1335-32-6Lead subacetate (calculated as Pb)–0.05KR
    Lead tetraethyl, see Tetraethyl lead
    Lead tetramethyl, see Tetramethyl lead
    Hydrocyanic acid, see Hydrogen cyanide
    Cotton dust, total dust–0.23
    Borax, see Sodium tetraborate decahydrate
    1303-86-2Boric oxide–101
    10294-33-4Boron tribromide110T
    7637-07-2Boron trifluoride13T
    7726-95-6Bromine0.10.7E
    74-96-4Bromoethane522H
    Bromoform, see Tribromomethane
    Bromoethylene, see Vinyl bromide
    74-97-5Bromochloromethane100525
    2-Bromo-2-chloro-1,1,1trifluorethane, see Halothane
    74-83-9Bromomethane520HK
    7789-30-2Bromine pentafluoride0.10.7
    75-63-8Bromotrifluoromethane5003050
    106-99-01,3-Butadiene12.2K
    110-65-62-Butyne-1,4-diol0.5AE2018
    106-97-8Butane250600
    71-36-3Butan-1-ol2575HT2007
    78-92-2Butan-2-ol2575HT2007
    431-03-82,3-Butanedione0.020.07AE2018
    0.10.36S
    Butanol (all isomers)2575HT2007
    78-93-3Butanone75220E
    1338-23-42-Butanone peroxide–1T
    109-79-5Butanethiol0.51.5
    2-butenal, see (E)-2-butenal
    123-73-9(E)-2-butenal26H
    111-76-22-butoxy-ethanol1050HE
    2426-08-61-butoxy-2,3-epoxypropane527A
    112-34-52-2(butoxyethoxy) ethanol10682007
    112-07-22-butoxyethyl acetate1065HE
    Butyl acetate (all isomers)75355
    141-32-2Butyl acrylate211AE2007
    Butylamine (all isomers)515HT
    Butyl ethyl ketone, see 3-heptanone
    Butyl (2,3-epoxypropyl) ether, see 1-butoxsy-2,3-epoxypropane
    Butyl glycidyl ether, see 1-butoxsy-2,3-epoxypropane
    Butyl glycol, see 2-butoxyethanol
    1189-85-1tert-butyl chromate (calculated as CrO3 )–0.1HT
    138-22-7Butyl lactate525
    Butyl mercaptan, see Butanethiol
    97-88-1Butyl methacrylate1059A2007
    1634-04-4tert-butyl methyl ether (MTBE)50183.5E2011
    100367S
    p-tert-butyltoluen, see 1-methyl-4-tert-butylbenzene
    2425-06-1Captafol–0.1
    133-06-2Captan–5K
    1333-86-4Carbon Black (lamp soot)–3.5
    Cellosolve, see 2-etoxyethanol
    Cellosolve acetate, see 2-etoxy ethylacetate
    21351-79-1Cesium hydroxide–2
    420-04-2Cyanamide0.61HE2007
    Cyanides (calculated as CN)–5H
    506-77-4Cyanogen chloride0.250.6T
    13121-70-5Cyhexatin–5
    Cyklo-, see cyclo
    50-29-3DDT–1K
    17702-41-9Decaborane0.050.3H
    Decanes and other higher aliphatic hydrocarbons40275
    8065-48-3Demeton0.010.1H
    867-27-6Demeton-O-methyl0.050.5H
    57041-67-5Desflurane5352010
    Diacetone alcohol, see 4-Hydroxy-4- methyl-2- pentanone
    1,2-Diaminobenzen, see o-Phenylenediamine
    1,3-Diaminobenzen se m-Phenylenediamine
    1,4-Diaminobenzen se p-Phenylenediamine
    Diatomaceous earth (natural kieselguhr) Respirable dust–1.5
    333-41-5Diazinon–0.1H
    334-88-3Diazomethane0.20.4K
    Dibenzoyl peroxide, see Benzoyl peroxide
    19287-45-7Diborane0.10.1
    Dibrome, see Dimethyl1,2-dibromo-2,2-dichlorethyl phosphate
    75-61-6Dibromodifluoro-methane50430
    106-93-41,2-Dibromoethane0.11K
    102-81-82-(dibutylamino)ethanol214H
    Dibutyl phosphate (all isomers)15
    84-74-2Dibutyl phthalate–3
    460-19-5Dicyan1022
    60-57-1Dieldrin–0.25
    Diethanolamine, see 2,2’-Iminodiethanol315
    109-89-7Diethylamine515E2007
    100-37-82-(dibutylamino)ethanol1050H
    111-96-6Diethylene glycol dimethylether––HR
    Diethylenetriamine, see 3-azapentane-1,5-diamine2000
    60-29-7Diethyl ether100300E2007
    84-66-2Diethyl phthalate–3
    117-81-7Di-2-ethylhexyl phthalate (DEHP)–1R2007
    Diethyl ketone, see Pentane-3-one
    Diphenyl, see biphenyl
    122-39-4Diphenylamine–5
    101-84-8Diphenyl ether17E2018
    214S
    101-68-8Diphenylmethane-4,4’-diisocyanate (MDI)0.0050.05A4
    Difluorodibromomethane, see Dibromodifluoro-methane
    75-71-8Difluorodichloromethane5002475
    75-45-6Difluorochloromethane5001750E
    76-12-01,2-difluoro-1,1,2,2tetrachloro-ethane2502085
    1314-56-3Diphosphorous(V) oxide–1E
    Diglycidyl ether, see 2,2’-[oxybis(mehtylene)] bisoxirane
    120-80-91,2 dihydroxybenzene520
    1,3-Dihydroxybenzene, see 1,3-benzendiol
    Diisobutyl ketone, see 2,6-dimethyl-4- heptanone
    Diisocyanates0.005A4
    108-18-9Diisopropylamine520H
    108-20-3Diisopropyl ether125525
    7572-29-4Dichloroacetylene0.10.4T
    95-50-11,2-Dichlorobenzene20122HE2012
    50306S
    106-46-71,4-Dichlorobenzene212HKE2018
    1060S
    111-44-42,2’-Dichloroethyl ether530HK
    542-88-11,1’-Dichlorodimethyl ether0.0010.005K
    118-52-51,3-Dichloro-5,5-dimethylhydantoin–0.2
    75-34-31,1-Dichloroethane50200HK
    107-06-21,2-Dichloroethane14HK
    75-35-41,1-Dichloroethene14HKE2018
    312S
    540-59-01,2-Dichloroethene100395
    1,2-Dichloroethylene, see 1,2-Dichloroethene
    94-75-72,4-Dichlorophenyloxyacetic acid–5
    136-78-72-(2,4-Dichlorophenoxy) ethyl sulphate–5
    75-09-2Dichloromethane1550HKE2018
    45150S
    Dichloromonofluoromethane, see Fluorodichloromethane
    594-72-91,1-Dichloro-1-nitroethane212HT
    78-87-51,2-Dichloropropane40185
    75-99-02,2-Dichloropropane acid16
    542-75-61,3-Dichloropropene15H
    2,2-Dichloropropionic acid, see 2,2-Dichloropropane acid
    1,2-Dichloro-1,1,2,2tetrafluoroethane, see 1,1,2,2-Tetrafluoro-1,2dichloroethane
    62-73-7Dichlorvos0.11HK
    85-00-7Diquat dibromide–0.5
    109-87-5Dimethoxymethane5001550
    127-19-5N,N-Dimethylacetamide1035HE
    124-40-3Dimethylamine24E2000
    121-69-7N,N-Dimethylaniline525H
    108-84-91,3-Dimethylbutyl acetate25150
    300-76-5Dimethyl-1,2-Dibromo-2,2-Dichloroethyl phosphate–3
    115-10-6Dimethyl ether200384E2007
    598-56-1Dimethylethylamine26
    68-12-2N,N-Dimethylformamide515HRE2011
    1030S
    N,N-Dimethylmethanamide, see N,N-Dimethylformamide
    131-11-3Dimethyl phthalate–3
    108-83-82,6-Dimethyl-4-heptanone20120
    57-14-71,1-Dimethylhydrazine0.010.02HAK
    1,2-Dimethylhydrazine0.010.02HK
    77-78-1Dimethyl sulphate0.010.05HK
    Dinitrobenzene (all isomers)0.151H
    10024-97-2Dinitrogen oxide5090R2000
    534-52-14,6-Dinitro-o-cresol–0.2H
    Dinitrotoluene (all isomers)–0.15HK
    123-91-11,4-Dioxane518HKE2011
    1036S
    117-84-0Dioctyl phthalate–3
    138-86-3Dipentene25140A
    Dipropylene glycol methyl ether, see (2-Methoxymethylethoxy) propanol
    Dipropylene ketone, see Heptane-4-one
    Disul, see 2-(2,4-Dichlorophenoxy) ethyl sulphate
    97-77-8Disulfiram–2
    10025-67-9Disulphur dichloride16
    5124-30-1Dicyclohexylmethane-4,4’diisocyanate0.0050.05A4
    77-73-6Dicyclopentadiene530
    298-04-4Di-Syston–0.1H
    330-54-1Diuron–5K
    Divinylbenzene (all isomers)1053
    Dursban, see Chlorpyriphos
    64-19-7Acetic acid1025AE2018
    2050S
    108-24-7Acetic anhydride520T
    Extraction benzene (largely n-hexane)50175
    Extraction benzene (unspecified)100500
    115-29-7Endosulfan–0.1H
    72-20-8Endrin–0.1H
    13838-16-9Enflurane0.32.3R2000
    Epichlorohydrine, see 1-chloro-2,3-epoxypropane
    EPN, see O-ethylO-4- nitrophenyl phenyl thiophosphonate
    1,2-Epoxy-3-phenoxy-propane, see Phenyl glycidyl ether
    1,2-Epoxypropane, see 1,2-propylene oxide
    556-52-52,3-Epoxy-1-propanol2575A
    2,3-Epoxypropyl phenyl ether, see Phenyl glycidyl ether
    4016-14-22,3-Epoxypropyl isopropyl ether25120
    64-17-5Ethanol500950
    Ethanolamine, see 2-Aminoethanol
    107-21-11,2-Ethanediol2052HE52012
    40104S
    628-96-61,2-Ethanediol dinitrate0.030.18H
    75-08-1Ethanethiol0.51
    Ether, see Diethylether
    110-80-52-Ethoxyethanol518HRE2011
    111-15-92-Ethoxyethyl acetate211HRE2011
    141-78-6Ethyl acetate200734E2018
    4001468S
    140-88-5Ethyl acrylate521HAKE2011
    1042S
    75-04-7Ethylamine242000
    Ethyl-sec-amyl ketone, see 5-Methyl-3-heptanone
    100-41-4Ethyl benzene520HKE2000
    Ethyl bromide, see Bromoethane
    107-15-3Ethylendiamine1025A
    Ethylene dibromide, see 1,2-Dibromoethane
    Ethylene dichloride, see 1,2-Dichloroethane
    Ethylene glycol, see 1,2-Ethanediol
    Ethylene glycol dinitrate, see 1,2-Ethandiol nitrate
    Ethylene glycol monobutyl ether, see 2-Butoxyethanol
    Ethylene glycol monoethyl ether, see 2-Ethoxyethanol
    Ethylene glycol monoethyl ether acetate, see 2-Etoxy ethylacetate
    Ethylene glycol monomethyl ether, see 2-Methoxyethanol
    Ethylene glycol monomethyl ether acetate, see 2-Metoxyethyl acetate
    151-56-4Ethyleneimine0.51HK
    Ethylene chlorohydrine, see 2-Chloroethanol
    75-21-8Ethylene oxide1–K
    109-94-4Ethyl formate50150
    Ethyl glycol, see 2-Ethoxyethanol
    Ethyl glycol acetate, see 2- Ethoxyethyl acetate
    104-76-72-Ethylhexanol15.4E2018
    1054S
    Ethylidene chloride, see 1,1-Dichloroethane
    16219-75-35-Ethylidene-2-norbornene525T
    Ethyl chloride, see Chloroethane
    97-63-2Ethyl methacrylate50250A
    Ethylmercaptan, see Ethanethiol
    Ethyl methanoate, see Ethyl formate
    100-74-3N-Ethylmorpholine523H
    O-ethyl-O-(4-nitrophenyl) phenyl monothiophosphonate, see O-ethyl-O-4-nitrophenyl phenyl thiophosphonate
    2104-64-5O-ethyl-O-4-nitrophenyl phenyl thiophosphonate–0.5H
    78-10-4Ethyl silicate544E2018
    108-95-2Phenol14HE2011
    312S
    92-84-2Phenothiazine–5H
    1,2-Phenylenediamine, see o-Phenylenediamine
    1,3-Phenylenediamine, see m-Phenylenediamine
    1,4-Phenylenediamine, see p-Phenylenediamine
    Phenyl ether, see Diphenyl ether
    108-45-2m-Phenylenediamine–0.1HA
    95-54-5o-Phenylenediamine–0.1HAK
    p-Phenylenediamine–0.1HA
    638-21-1Phenylphosphine0.050.25T
    122-60-1Phenyl glycidyl ether15A
    100-63-0Phenylhydrazine–0.6A
    Phenyl mercaptan, see Benzenethiol
    98-83-92-Phenylpropene50240E
    14484-64-1Ferbam–5
    12604-58-9Ferrovanadium–1
    7782-41-4Fluorine0.10.2E
    Fluorides (calculated as F), see Inorganic fluorides
    Fluorine monoxide, see Oxygen difluoride
    75-43-4Fluorodichloromethane1042
    75-69-4Fluorotrichlromethane5002800
    Hydrofluoric acid, see Hydrogen fluoride
    298-02-2Phorate–0.05H
    50-00-0Formaldehyde0.50.6AK
    11.2T
    75-12-7Formamide1018H
    Fosdrin, see Mevinphos
    7803-51-2Phosphine0.10.15E
    7723-14-0Phosphorous (yellow)–0.1
    Phosphoroxychloride, see Phosphoryl chloride
    10026-13-8Phosphorus pentachloride–1E
    Phosphorus pantaoxide, see Diphosphorous(V) oxide
    1314-80-3Phosphorus pentasulphide–1E
    7664-38-2Phosphoric acid–1E
    Phosphoric acid anhydride, see Diphosphorous(V) oxide
    7719-12-2Phosphorous trichloride0.21.5
    10025-87-3Phosphoryl chloride0.10.6
    75-44-5Phosgene0.050.2TE2012
    Freon 11, see Fluorotrichloromethane
    Freon 12, see Difluorodichloromethane
    Freon 21, Fluorodichloromethane
    Freon 22, see Difluorochloromethane
    Freon 112, see 1,2-difluoro-1,1,2,2tetrachloroethane
    Freon 113, see 1,2,2-trifluoro-1,1,2trichloroethane
    Freon 114, see 1,1,2,2-tetrafluoro-1,2dichloroethane
    626-17-5m-Phthalodinitrile–5
    85-44-9Phthalic acid anhydride–2A
    98-01-12-Furaldehyde28H
    Furfural, see 2-Furaldehyde
    98-00-0Furfuryl alcohol520H
    7782-65-2Germanium tetrahydride0.20.6
    Glass fibre/polyester, total dust–5
    Mica
    Total dust
    Respirable dust    		–6
    –3
    111-30-8Glutaraldehyde0.20.8AT
    Glutaraldehyde (activated by alkaline)–0.25T
    55-63-0Glycerol trinitrate0.010.09HE2018
    0.020.19S
    Glycidol, see 2,3-Epoxy-1-propanol
    Graphite, natural
    Total dust
    Respirable dust
    –
    –
    5
    2
    Graphite, synthetic
    Total dust
    Respirable dust
    –
    –
    10
    4
    7440-58-6Hafnium–0.5
    151-67-7Halothane0.020.2R2000
    HDI, see Hexane-1,6-diisocyanate
    684-16-2Hexafluoroacetone0.10.7H
    Hexahydro-1,3,5-trinitro-1,s-triazine,
    see Perhydro-1,3,5-trinitro-1,3,5triazine
    87-68-3Hexachlorobutadiene0.020.24H
    67-72-1Hexachloroethane110H
    1335-87-1Hexachloronaphthalene–0.2H
    77-47-4Hexachlorocyclopentadiene0.010.1
    Hexamethylene diisocyanate, see Hexane-1,6-diisocyanate
    100-97-0Hexamethylenetetramine–3
    110-54-3n-Hexane2072RE2007
    Hexane (except n-Hexane)2501050
    124-09-4Hexsanediamine0.51HT2007
    822-06-0Hexane-1,6-diisocyanate0.0050.035A4
    2-Hexanon, see Hexane-2-one
    591-78-6Hexane-2-one14H
    sec-Hexyl acetate, see 1,3-Dimethylbutyl acetate
    Hexylene glycol, see
    2-Methyl-2.4-pentandiol
    76-44-8Heptachlor–0.5H
    142-82-5Heptane200800E
    123-19-3Heptane-4-one25115
    110-43-02-Heptanone25115HE
    106-35-43-Heptanone2095E2014
    5095S
    4-Heptanone, see
    Heptane-4-one
    302-01-2Hydrazine0.010.01HAK
    10035-10-6Hydrogen bromide27STE2014
    74-90-8Hydrogen cyanide0.91HE2018
    45S
    61788-32-7Hydrogenated terphenyl219E2018
    548S
    Hydro-generated terphenyls0.44.4
    7664-39-3Hydrogen fluoride0.5HE2010
    1.81.5S
    Hydrogen phosphide, see Phosphine
    7647-01-0Hydrogen chloride57TE
    7722-84-1Hydrogen peroxide11.4
    7783-07-5Hydrogen selenide0.010.05E
    7783-06-4Hydrogen sulphide57E2011
    1014T
    123-31-9Hydroquinone–0.5AK
    868-77-92-Hydroxyethyl methacrylate211A2007
    123-42-24-Hydroxy-4-methyl-2- pentanone25120
    999-61-12-Hydroxypropylacrylate0.52.9HA
    Refractory ceramic fibres0.1 fibre/cm3K2007
    111-42-22,2’-Iminodiethanol315
    2,2’-Iminodi(ethylamine), see
    3-Azapentane-1,5-diamine
    95-13-6Indene1045
    Indium and Indium compounds (calculated as In)–0.1
    Isoamyl acetate, see
    (3-Methylbutyl) acetate
    Isoamyl alcohol, see 3-Methyl-1-butanol
    Isobutyl acetate, see Butyl acetate (all isomers)
    97-86-9Isobutyl methacrylate50300A
    Isocyanates, see diisocyanates
    26675-46-7Isoflurane215R2010
    78-59-1Isophorone525T
    4098-71-9Isophorone diisocyanate0.0050.045A4
    26952-21-6Isooctan-1-ol25135
    Isooctyl alcohol, see Isooctan-1-ol
    78-78-4Isopentane250750E2007
    123-92-2Isopentyl acetate50260E
    Isopropanol, see 2-propanol
    109-59-12-Isopropoxyethanol2080
    2-Isopropoxypropane, see
    Diisopropyl ether
    108-21-4Isopropyl acetate100420
    Isopropylamine, see 2-Propylamine
    768-52-5Isopropylaniline211H
    Isopropyl glycidyl ether, see 2,3-Epoxypropyl isopropyl ether
    1309-37-1Iron(III)oxide (calculated as Fe)–3
    13463-40-6Iron pentacarbonyl0.010.08
    Iron salts (calculated as Fe)–1
    7553-56-2Iodine0.11T
    74-88-4Iodomethane15H
    Iodoform, see Triiodomethane
    Cadmium and inorganic
    Cadmium compounds (except cadmium sulphate) (calculated as Cd)    		–0.05K
    1306-19-0Cadmium oxide (calculated as Cd)–0.02KT
    151-50-8Potassium cyanide0.91HE2018
    45S
    1310-58-3Potassium hydroxide–2T
    156-62-7Calcium cyanamide–0.5
    1305-62-0Calcium hydroxide
    Respirable dust    		–1E2018
    4S
    1305-78-8Calcium oxide
    Respirable dust    		–1E2018
    4S
    8001-35-2Camphechlor–0.5H
    76-22-2Camphor (synthetic)212
    105-60-2ε-Caprolactam1040E52012
    63-25-2Carbaryl–5H
    1563-66-2Carbofuran–0.1H
    124-38-9Carbon dioxide50009000E
    75-15-0Carbon disulphide515HRE2011
    630-08-0Carbon monoxide2023RE2018
    100117S6
    558-13-4Carbon tetrabromide0.11.4
    Carbon tetrachloride; see Tetrachloromethane
    353-50-4Carbonyl fluoride25
    Carbonyl chloride, see Phosgene
    13466-78-9δ-Carene25140A
    Catechol, see
    1,2-Dihydroxybenzene
    463-51-4Ketene0.50.9
    Quinone, see
    1,4-Benzoquinone
    Steatite
    Total dust
    Respirable dust    		–

    –    		6

    3
    7782-50-5Chlorine0.51.5E2007
    13T
    107-20-0Chloroacetaldehyde13T
    532-27-4α-Chloroacetophenone0.050.3
    79-04-9Chloroacetyl chloride0.050.2H
    108-90-7Chlorobenzene523E2007
    2698-41-1o-Chlorobenzylidenemalononitrile0.050.4H
    Chlorobromomethane, see Bromochloromethane
    57-74-9Chlordane–0.5H
    Chlorodifluoromethane, see Difluorochloromethane
    10049-04-4Chlorine dioxide0.10.3
    106-89-81-chloro-2,3-epoxypropane0.51.9HAK
    55720-99-5Chlorinated diphenyl oxide–0.5H
    Chlorinated camphene, see Toxaphene
    75-00-3Chloroethane100270KE2007
    107-07-32-Chloroethanol13HT
    Chloroethene, see Vinyl chloride
    74-87-3Chloromethane2550K
    Chloromethylbenzene, see Chlorotoluene
    100-00-51-Chloro-4-nitrobenzene–1H
    600-25-91-Chloro-1-nitropropane210
    Chloroform, see Trichloromethane
    Chloropicrin, see
    Trichloronitromethane
    126-99-82-Chloroprene13.6H
    107-05-13-Chloropropene13H
    2921-88-2Chlorpyrifos–0.2H
    2039-87-4o-Chlorostyrene25140
    100-44-7α-Chlorotoluene15
    95-49-8o-Chlorotoluene25125H
    7790-91-2Chlorotrifluoride0.10.4
    7440-50-8Copper
    Fumes
    Dust    		–

    –    		0.1

    1
    Cobalt (fumes) and inorganic Cobalt compounds (calculated as Co, except Co(II)–0.02AR2000
    Cobalt, Co(II) compounds
    (fumes) and inorganic
    ( calculated as Co)    		–0.02AKR2000
    Cobalt hydrocarbonyl ( calculated as Co)–0.1
    Cobalt carbonyl (calculated as Co)–0.1
    1319-77-3Cresols (all isomers)522HE
    14464-46-1Cristobalite
    Total dust
    Respirable dust    		–

    –    		0.15

    0.05    		K7

    K7
    Chromium and Cr2 ± and Cr3 ± compounds (calculated as Cr)–0.5E
    Chromic acid and chromates (calculated as Cr(VI))–0.005AK2010
    Chrotonaldehyde, see (E)-2-butenal
    (E)-chrotonaldehyde, see
    (E)-2-butenal
    Coal dust
    Total dust
    Respirable dust    		–

    –    		4

    1.5
    Cumene, see 1-Methylethyl benzene
    14808-60-7α-quartz
    Total dust
    Respirable dust    		–

    –    		0.3

    0.1    		K7

    K7
    Mercury and Mercury compounds (except alkyl compounds) (calculated as Hg) Biological limit value for urine–0.02AE2007
    30 µg Hg/g creatinine8
    Mercury, alkyl compounds (calculated as Hg)–0.01AH
    Limonene, see d-Limonene, i-Limonene and Dipentene
    5989-27-5d-Limonene25140A
    5989-54-8i-Limonene25140
    58-89-9Lindane–0.5H
    7580-67-8Lithium hydride
    Inhalable    		–0.02SE2018
    Soldering wire with resincontaining core (calculated as formaldehyde)–0.1
    Laughing gass, see Dinitrogen oxide
    1309-48-4Magnesium oxide–101
    121-75-5Malathion–5H
    108-31-6Maleic acid anhydride0.20.8A
    7439-96-5Manganese and inorganic Managenese compounds (calculated as Mn)2018
    Inhalable fraction–0.2E9
    Respirable fraction–0.05E9
    12079-65-1Manganese cyclopentadienyl tricarbonyl (calculated as Mn)–0.1H
    64-18-6Formic acid59E
    MDI, see Diphenylmethane- 4,4’-diisocyanate
    Flour dust, inhalable3A102000
    Mercaptoacetic acid, see Thioglycolic acid
    108-67-8Mesitylene (trimethylbenzenes)20100
    Mesityloxide, see
    4-methyl-3-penten-2-one
    79-41-4Methacrylic acid2070
    Methacrylic acid methyl ester, see Methyl methacrylate
    67-56-1Methanol100130HE
    74-93-1Methanthiol0.51
    90-04-02-Methoxyaniline0.10.5HK
    104-94-94-Methoxyaniline0.10.5H
    109-86-42-Methoxyethanol13.1HRE2011
    111-77-32-(2-Methoxyethoxy)ethanol1050HRE2007
    110-49-62-Metoxyethyl acetate14.9HRE2011
    150-76-54-Methoxyphenol–5
    72-43-5Methoxychlor–5
    34590-94-8(2-Methoxymethylethoxy) propanol50300HE
    107-98-21-Methoxy-2-propanol50180HE
    108-65-61-Methoxy-2-propyl acetate50270HE
    1589-47-52-Methyloxy-1-propanol2075HR
    70657-70-42-Methoxy-1-propyl acetate20110HR
    16752-77-5Methomyl–2.5H
    79-20-9Methyl acetate100305
    Methylacetylene, see Propyne
    Methyl acetylene-Propadien mixture500900
    96-33-3Methyl acrylate518HAE2011
    1036S
    126-98-7Methylacrylonitrile13HA
    74-89-5Methylamine1012
    Methylamyl alcohol, see 4-Methyl-2-pentanol
    Meholamyl ketone, see 2-Heptanone
    100-61-8N-Methylaniline0.52H
    75-55-82-Methylaziridine25HK
    Methyl bromide, see Bromomethane
    3-Methyl butanone, see 3-Methyl-2-butanone
    563-80-43-Methyl-2-butanone100350H
    123-51-33-Methyl-1-butanol50180
    626-38-01-Methylbutyl acetate50260E
    3-methylbutyl acetate, see Isopentyl acetate
    98-51-11-Methyl-4-tert-butylbenzene1060
    Methylbutyl ketone, see Hexane-2-one
    137-05-3Methyl -2-cyanoacrylate28A
    Methylene-bis(4- cyclohexyl isocyanate ), see Dicyclohexylmethane-4,4’-diisocyanate
    Methylene-bis-phenyl diisocyanate, see Diphenylmethane- 4,4’-diisocyanate
    101-77-94,4’-Methylenedianiline0.10.8HAK
    Methylene chloride, see Dichloromethane
    98-82-81-Methylethyl benzene20100HKE2012
    50250S
    Methylethyl ketone, see Butanone
    Methylethyl ketone peroxide, see 2-Butanone peroxide
    Methylphenol, see Cresols
    Methyl formate, see Methyl methanoate
    Methyl glycol, see 2-Methoxyethanol
    Methyl glycol acetate, see 2-Methoxyethyl acetate
    110-12-35-Methyl-2-hexanone2095E2014
    50250S
    541-85-55-Methyl-3-heptanone20100E2014
    20107S
    60-34-4Methyl hydrazine0.010.02HK
    Methyl isobutyl carbinol, see 4-Methyl-2-pentanol
    Methyl ispbutyl ketone, see 4-Methylpentan-2-one
    624-83-9Methyl isocyanate0.020.05S
    (5 min)
    AE11    		2011
    Methyl isopropyl ketone, see 3-Methyl-2-butanone
    Methyl iodide, see Iodomethane
    Methyl chloride, see Chloromethane
    Methyl chloroform, see 1,1,1-Trichloroethane
    Methyl mercaptan, see Methanthiol
    80-62-6Methyl methacrylate25100AE2011
    100400S
    107-31-3Methyl methanate50125HE2018
    100250S
    107-41-52-Methyl-2,4-pendandiol20100T
    872-50-4N-Methyl-2-pyrrolidone520HRE2011
    2080S
    108-11-24-Methyl-2-pentanol2080H
    108-10-14-Methylpentan-2-one2083HE2012
    50208S
    141-79-74-Methyl-3-penten-2-one1040
    4-Methylpentyl-2-acetate, see 1,3-Dimethylbutyl acetate
    78-83-12-Methylpropan-1-ol2575HT2007
    75-65-02-Methyl-2-propanol2575HT2007
    Methyl propyl ketone, see 2-Pentanone
    681-84-5Methyl silicate16
    α-Methylstyrene, see 2-Phenylpropene
    108-87-2Methylcyclohexane200800
    Methylcyclohexanol (all isomers)25120
    583-60-82-Methylcyclohexanon25115H
    12108-13-3Methylcyclopentadienyl manganese tricarbonyl (calculated as Mn)0.10.2H
    479-45-8N-Methyl-2,4,6-N-tetranitroaniline–1.5HA
    7786-34-7Mevinphos0.010.1H
    MMMF (Man Made Mineral Fibers), see Refractory ceramic fibres, thin glass fibres for special purposes, mineral wool and AES wool
    Mineral wool1 fibre/cm3122007
    Molybdenum compounds, soluble (calculated as Mo)–5
    Molybdenum compounds, insoluble (calculated as Mo)–10
    Monofluorodichloromethane, see Fluorodichloromethane
    110-91-8Morpholine1036HE2007
    91-20-3Naphthalene1050E
    3173-72-6Naphthalene-1,5-diisocyanate0.0050.04A4
    86-88-41-Naphthylthiourea–0.3
    26628-22-8Sodium azide–0.1E2014
    –0.3S
    Sodium bisulphite, see Sodium hydrogen sulphite
    143-33-9Sodium cyanide0.91HE2018
    45S
    62-74-8Sodium fluoroacetate–0.05H
    7631-90-5Sodium hydrogen sulphite–5
    1310-73-2Sodium hydroxide–2T
    7681-57-4Sodium methabisulphite (Sodium pyrosulphate)–5
    Sodium tetraborates:
    1330-43-4Anhydrous–1
    1303-96-4Decahydrates–5
    12447-40-4Pentahydrates–1
    463-82-1Neopenthane250750E2007
    Nickel and Nickel compounds (calculated as Ni)–0.05AKR2000
    Nickel carbonyl, see Nickel tetracarbonyl
    13463-39-3Nickel tetracarbonyl0.0010.007HKR
    54-11-5Nicotine–0.5HE
    100-01-6p-Nitroaniline–3H
    98-95-3Nitrobenzene0.21HKRE2007
    79-24-3Nitroethane2062HE2018
    100312S
    10102-44-0Nitrogen dioxide0.50.96E132018
    11.91S
    10102-43-9Nitrogen monoxide22.5E142018
    Nitrogen oxide, see Nitrogen monoxide
    7783-54-2Nitrogen trifluoride1029
    Nitroglycerol, see Glycerol trinitrate
    Nitroglycol, see 1,2-Ethandiol dinitrate
    p-Nitrochlorobenzene, see 1-chloro-4-nitrobenzene
    75-52-5Nitromethane50125
    108-03-21-Nitropropane2070
    79-46-92-Nitropropane1035K
    Nitrotoluene (all isomers)15.5H
    111-84-2Nonane100525
    144-62-7Oxalic acid–1E
    2-oxo-Hexamethylenimine, see Caprolactam
    05/07/22382,2’-[oxybis(mehtylene)] bisoxirane0.10.5AT
    7783-41-7Oxygen difluoride0.050.1
    2234-13-1Octachloronaphthalene–0.1H
    111-65-9Octane150725
    2-Octanol, see Isooctan-1-ol
    Oil vapour–50
    Oil mist (mineral oil particles)–1
    Organic dust, total dust–5
    20816-12-0Osmium tetraoxide0.00020.002
    10028-15-6Ozone0.10.2
    PAH (polyaromatic hydrocarbons)–0.04K15162010
    8002-74-2Paraffin (fumes)–2
    4685-14-7Paraquat–0.1H
    56-38-2Paration–0.05H
    298-00-0Parathion-methyl–0.2H
    1336-36-3PCB (polychlorinated biphenyls)–0.01HK
    19624-22-7Pentaborane0.0050.01
    76-01-7Pentachloroethane540H
    87-86-5Pentachlorophenol0.050.5HK
    1321-64-8Pentachloronaphtalene–0.5H
    109-66-0Pentane250750E
    96-22-0Pentane-3-one100350
    Pentanol (all isomers)50180
    107-87-92-Pentanone75260
    3-Pentanone, see Pentane-3-one
    620-11-13-Pentyl acetate50260E
    628-63-7Pentyl acetate50260E
    Pentyl acetat (all isomers)50260
    121-82-4Perhydro-1,3,5-trinitro-1,3,5triazine–1.5H
    Perchloroethylene, see Tetrachloroethene
    Perchloromethyl mercaptan, see Trichloromethane sulfenyl chloride
    7616-94-6Perchloril fluoride314
    Perlite
    Total dust–10
    Respirable dust–4
    Persulphates–2A
    88-89-1Picric acid–0.1HE
    83-26-1Pindone–0.1
    80-56-8α-Pinene25140H
    127-91-3β-Pinene25140
    110-85-0Piperazine0.1–AE2014
    0.3S
    Pival, see Pindone
    2-Pivaloyl-1,3-indandione, see Pindone
    Platinum compounds, soluble (calculated as Pt)–0.002
    7440-06-4Platinum, metallicNo prescribed limit valueE2012
    Plictran, see Cyhexatin
    Polyester/glass fibre, total dust–5
    74-98-6Propane500900
    57-55-6Propane-1,2-diol25792007
    6423-43-4Propane-1,2-diyl dinitrate0.050.3H
    1,2-Propanediol dinitrate, see Propane-1,2-diyl dinitrate
    71-23-81-Propanol100245H
    67-63-02-Propanol100245
    Propargyl alcohol, see 2-Propyne-1-ol
    Propenal, see acrylaldehyde
    107-18-62-Propen-1-ol25HE
    79-09-4Propionic acid1030E
    57-57-8β-Propiolactone0.51.5K
    114-26-1Propoxur–0.5
    2-Propyl acetate, see isopropyl acetate
    109-60-4n-Propyl acetate100420
    75-31-02-Propylamine512
    1,2-Propylene glycol dinitrate, see Propane-1,2-diyl dinitrate
    Propylene glycol monomethyl ether, see 1-Methoxy-2-propanol
    2-Propyl glycidyl ether, see 2,3-Epoxypropyl isopropyl ether
    Propylenimine, see 2-Methylaziridine
    75-56-91,2-Propylene oxide12HAK
    iso-Propyl glycidyl ether, see 2,3-Epoxypropyl isopropyl ether
    627-13-4Propyl nitrate2090
    74-99-7Propyne500825
    107-19-72-Propyne-1-ol12.5H
    8003-34-7Pyrethrin–1E2007
    110-86-1Pyridine515E
    Pyrocatechol, see 1,2-Dihydroxybenzene
    Resorcinol, see 1,3-Benzenediol
    Respirable dust in the silicon carbide industry, in furnace houses and furnace-houserelated departments in the silicon carbide industry0.5
    7440-16-6Rhodium–0.1
    Rhodium compounds, soluble (calculated as Rh)–0.001
    299-84-3Ronnel–5
    83-79-4Rotenone–5
    7697-37-2Nitric acid25E2007
    Hydrochloric acid, see Hydrogen chloride
    Selenium and inorganic Selenium compounds (except selenium sulphide, hydrogen selenide and selenium hexsafluoride) (calculate as Se)–0.05A2000
    7783-79-1Selenium hexafluoride0.050.4
    7446-34-6Selenium sulphide0.05AK2000
    28523-86-6Sevoflurane5352010
    7803-62-5Silane0.50.7
    7440-21-3Silicon–101
    Silicon carbide fibres0.1 fibre/cm3K
    Silicon carbide, see Respirable dust in the silicon carbide industry
    Silicon tetrahydride, see Silanium
    7646-85-7Zinc chloride–1
    1314-13-2Zinc oxide–5
    Irritating dust
    Total dust–10
    Respirable dust–5
    Stibin, see Antimony hydride
    57-24-9Strychnine–0.15T
    100-42-5Styrene25105M
    1395-21-7Subtilisins (enzymes used in detergents)–0.00006T
    3689-24-5Sulfotep–0.1HE2014
    2699-79-8Sulphuryl fluoride520
    Welding fumes (unspecified)–517
    7446-09-5Sulphur dioxide0.51.3E182018
    1.02.7S
    2551-62-4Sulphur hexafluoride10006000
    Sulphur monochloride, see Disulphur dichloride
    5714-22-7Sulphur pentafluoride0.010.1T
    7664-93-9Sulphuric acid aerosol, thoracic fraction–0.1KE2011
    7783-60-0Sulphur tetrafluoride0.10.4
    110-82-7Cyclohexane150525E
    108-93-0Cyclohexanol25100
    108-94-1Cyclohexanon1040HE2014
    2080S
    110-83-8Cyclohexene150510
    108-91-8Cyclohexylamine1040H
    Cyclonite, see Perhydro-1,3,5-trinitro-1,3,5triazine
    542-92-71,3-Cyclopentadiene40110
    Synthetic mineral fibres, see MMMF
    7440-22-4Silver, metal dust and fumes–0.1E
    Silver, soluble compounds (calculated as Ag)–0.01E
    2,4,5-T, see 2,4,5-Trichlorophenoxyacetic acid
    Talcum without fibres
    Total dust
    Respirable dust    		–

    –    		6

    2
    TDI, see 2,4- and 2,6-Toluene diisocyanate
    13494-80-9Tellurium–0.1
    7783-80-4Tellurium hexsafluoride0.020.2
    TEPP, see Tetraethyl pyrophosphate
    Terphenyls0.54.5T
    8006-64-2Terpentine (of plant origin)25140HA
    79-27-61,1,2,2-Tetrabromoethane114
    Tetrabromomethane, see Carbon tetrabromide
    78-00-2Tetraethyl lead0.010.075HR
    107-49-3Tetraethyl pyrophosphate0.0040.05H
    76-14-21,1,2,2-tetrafluoro-1,2dichloroethane5003500
    109-99-9Tetrahydrofuran50150HE
    79-34-51,1,2,2-Tetrachloroethane17H
    127-18-4Tetrachloroethene640HKRE2018
    18120S
    Tetrachloroethylene, see Tetrachloroethene
    56-23-5Tetrachloromethane16.3HKE2018
    319S
    1335-88-2Tetrachloronaphtalene–2H
    75-74-1Tetramethyl lead0.010.075HR
    3333-52-6Tetramethylsuccinonitrile0.53H
    7722-88-5Tetrasodium pyrophosphate–5
    509-14-8Tetranitromethane0.0050.04K
    Tetryl, see N-Methyl-2,4,6-N-tetranitroaniline
    Thallium and soluble Thallium compounds (calculated as Tl)–0.1H
    7719-09-7Thionyl chloride15T
    Tin compounds, organic (calculated as Sn)–0.1H
    Tin compounds, inorganic (calculated as Sn)–2E
    68-11-1Thioglycolic acid15
    137-26-8Thiram–5AM
    13463-67-7Titanium dioxide–5
    TNT, see 2,4,6-Trinitrotoluene
    Toxaphene, see Camphechlor
    108-88-3Toluene2594HE
    584-84-92,4-Toluene diisocyanate0.0050.035AK4
    91-08-72,6-Toluene diisocyanate0.0050.035AK4
    95-53-4o-Toluidine14.5HK
    Wood dust from exotic hardwoods, oak and beech, total dust–1GK19
    Wood dust from Nordic woods, except oak and beech, total dust–2K
    75-25-2Tribromomethane0.55HK
    126-73-8Tributyl phosphate0.22.5
    Tri(cyclohexyl)tin hydroxide, see Cyhexatin
    15468-32-3Tridymite
    Total dust–0.15K7
    Respirable dust–0.05K7
    102-71-6Triethanolamine–5
    121-44-8Triethylamine28HE
    112-24-3Triethylenetetramine16A2007
    603-34-9Triphenylamine–5
    115-86-6Triphenylphosphate–3
    Trifluoromonobromomethane, see Bromotrifluoromethane
    76-13-11,2,2-Trifluoro-1,1,2trichloro-ethane5003800
    75-47-8Triiodomethane0.23
    120-82-11,2,4-Trichlorobenzene215HE2014
    76-03-9Trichloroacetic acid0.755
    71-55-61,1,1-Trichloroethane50270E
    79-00-51,1,2-Trichloroethane1054H
    79-01-6Trichloroethene1050K
    Trichloroethylene, see Trichloroethene
    Trichlorofluoromethane, see Fluorotrichloromethane
    93-76-5(2,4,5-Trichlorophenoxy) acetic acid–5H
    67-66-3Trichloromethane210HKRE
    594-42-3Trichloromethanesulphenyl chloride0.10.8
    1321-65-9Trichloronaphtalene–5H
    76-06-2Trichloronitromethane0.10.7
    96-18-41,2,3-Trichloropropane1060H
    Trimellitic acid anhydride, see Benzene-1,2,4-tricarboxylic acid-1,2-anhydride
    75-50-3Trimethylamine1024
    526-73-81,2,3-Trimethylbenzene20100E
    95-63-61,2,4-Trimethylbenzene20100E
    Trimethylbenzene (all isomers), see Mesitylene
    121-45-9Trimethyl phosphite0.52.6
    118-96-72,4,6-Trinitrotoluene–0.1H
    78-30-8Triorthocresyl phosphate–0.1
    Tricyclohexylhydroxytin, see Cyhexatin
    Thin glass fibres for special purposes0.1 fibre/cm3K202007
    Inorganic fluorides (calculated as F)–0.5E2010
    Uranium and Uranium compounds (calculated as U)–0.2
    110-62-3Valeraldehyde2590
    7440-62-2Vanadium
    Fumes (calculated as V)–0.05T
    Dust (calculated as V)–0.2
    108-05-4Vinyl acetate517.6KE2011
    1035.2S
    Vinyl benzene, see Styrene
    593-60-2Vinyl bromide14K
    Vinylidene chloride, see 1,1-Dichloroethane
    75-01-4Vinyl chloride13G K
    106-87-6Vinylcyclohexene dioxide1060
    Vinyl toluene (all isomers)50240
    1304-82-1Bismuth telluride–101
    Bismuth telluride (with added Selenium)–5
    81-81-2Warfarin–0.1
    White Spirit (content of aromatic compounds <22%)50275
    White Spirit (content of aromatic compounds >22%)25120
    Tungsten and insoluble Tungsten compounds (calculated as W)–5
    Tungsten compounds, soluble (calculated as W)–1
    1330-20-7Xylene (all isomers)25108HE
    108-38-3m-Xylene25108HE
    106-42-3p-Xylene25108HE
    95-47-6o-Xylene25108HE
    1477-55-0m-Xylene-α-,α-Diamine)–0.1T
    Xylidine (all isomers)15H
    7440-65-5Yttrium–1
    Zirconium compounds (calculated as Zr)–5
    Footnotes
    1 The limit value is set equal to the value for nuisance dust.
    2 In agriculture, a limit value equal to 20 ppm is applicable during a transitional period (2013.2024) for livestock production in older farm buildings (farm buildings erected before 2002).
    3 The limit value applies to raw cotton of less than 15 µm.
    4 The short-term value for diisocyanates is 0.01 ppm.
    5 The limit value is based on the calculated aggregate sum of the gaseous and particulate (aerosol) form of the substance.
    6 Only for the short-term value: Some undertakings in the smelting industry will be unable to comply with this short-term value for technical/financial reasons. These undertakings are responsible for documenting a sound working environment. Written instructions must be prepared for work in a CO atmosphere.
    For the underground mining and tunnelling industries, the following limit value applies for carbon monoxide up to 21 August 2023: 25 ppm, 29 mg/m., and short-term exposure should not exceed 100 ppm. If such values can occur, written instructions shall be prepared for work in CO atmospheres.
    7 Dust containing α-Quartz, Cristobalite and/or Tridymite shall be assessed on the basis of the summation equation. At the same time, the values for nuisance dust must be must be complied with.
    8 Measurements of compliance with this biological limit value is conditional on voluntary cooperation by employees.
    9 Some undertakings in the smelting industry will be unable to comply with the limit values for technical/financial reasons. These undertakings are responsible for documenting a sound working environment. Such undertakings must have a plan for how to reduce exposure and must demonstrate lower values over time. The Norwegian Labour Inspection Authority, trade union representatives and safety representatives must be consulted and informed of annual plans and the results achieved.
    10 The limit value for flour dust is set equal to the value for inhalable dust.
    11 The short-term value is below the odour threshold.
    12 By ‘mineral wool’ is meant glass wool (except thin glass fibres for special purposes), rock wool and slag wool.
    13 Some undertakings will be unable to comply with the limit values for technical/financial reasons. These undertakings are responsible for documenting a sound working environment. Such undertakings must have a plan for how to reduce exposure and must demonstrate lower values over time. The Norwegian Labour Inspection Authority, trade union representatives and safety representatives must be consulted and informed of annual plans and the results achieved.
    For the underground mining and tunnelling industries, the following limit value applies for nitrogen dioxide up to 21 August 2023: 0.6 ppm, 1.1 mg/m3.
    14 Some undertakings will be unable to comply with the limit values for technical/financial reasons. These undertakings are responsible for documenting a sound working environment. Such undertakings must have a plan for how to reduce exposure and must demonstrate lower values over time. The Norwegian Labour Inspection Authority, trade union representatives and safety representatives must be consulted and informed of annual plans and the results achieved.
    For the underground mining and tunnelling industries, the following limit value applies for nitrogen monoxide up to 21 August 2023: 25 ppm, 30 mg/m3.
    15 The limit value applies to particulate PAH collected by filtration and is based on the sum of the following 21 PAH compounds: Anthracene (3), Benzo(a)anthracene (2A), benzo[a]fluorene (3), benzo[b]fluorene (3), benzo[b]fluoranthene (2A), benzo[j] fluoranthene (2A), benzo[k]fluoranthene (2A), Benzo[a]pyrene (1), Benzo[e]pyrene (3), benzo[ghi]perylene (3), dibenzo[a,h])anthracene (2A), dibenzo[a,e]pyrene (3), dibenzo[a,h]pyrene (2A), dibenzo[a,i]pyrene (2A), dibenzo[a,l]pyrene (2A), phenanthrene (3), fluoranthene (3), indeno((1,2,3-cd)pyrene (2B), Chrysen (2A), Pyrene (3) and triphenylene (3).
    16 Naphthalene and Biphenyl are gaseous PAHs that have accumulated in the absorbent. These two substances shall be assessed separately in relation to the respective limit values that apply to each of them.
    17 Welding/metal fumes contain different substances. In addition to the limit value for welding fumes (unspecified), the value for each individual substance in the welding fumes shall be complied with.
    18 Some undertakings will be unable to comply with the limit values for technical/financial reasons. These undertakings are responsible for documenting a sound working environment. Such undertakings must have a plan for how to reduce exposure and must demonstrate lower values over time. The Norwegian Labour Inspection Authority, trade union representatives and safety representatives must be consulted and informed of annual plans and the results achieved.
    19 The limit value applies to the inhalable fraction of the wood dust. If dust from hardwoods is mixed with other wood dust, the limit value shall apply to all wood dust that is present in the mixture.
    20 These fibres correspond to ‘Special-purpose glass fibres’ in the International Agency for Research on Cancer (IARC) monographs on the evaluation of carcinogenic risks to humans. Man-made vitreous fibres 2002: Vol 81. http://monographs.iarc.fr/ENG/Monographs/vol81/volume81.pdf

  9. Micro-organisms shall be classified into four risk groups, according to their level of risk of infection:
    1. a.
      Infection risk group 1: a biological agent that is unlikely to cause infectious disease in humans.
    2. b.
      Infection risk group 2: a biological agent that can cause infectious disease in humans and might be a hazard to employees; it is unlikely to spread to the community; there is usually effective prophylaxis or treatment available.
    3. c.
      Infection risk group 3: a biological agent that can cause severe infectious disease in humans and present a serious hazard to employees; it may present a risk of spreading to the community, but there is usually effective prophylaxis or treatment available.
    4. d.
      Infection risk group 4: a biological agent that causes severe infectious disease in human and is a serious hazard to employees; it may present a high risk of spreading to the community; there is usually no effective prophylaxis or treatment available.
    The list is limited to biological agents that cause infectious disease in humans. In addition, the list provides an overview of the following comments:
    • -
      A: may cause allergic reactions
    • -
      D: Registers of employees who are exposed to the biological agent shall be stored for at least ten years after the most recently known exposure event
    • -
      T: Induces the formation of toxins, may cause toxic reactions
    • -
      V: Effective vaccine available
    Bacteria and similar
    Infection risk groupComment
    Actinobacillus actinomycetemcomitans2
    Actinomadura madurae2
    Actinomadura pelletieri2
    Actinomyces gerencseriae2
    Actinomyces israelii2
    Actinomyces pyogenes2
    Actinomyces spp.12
    Arcanobacterium haemolyticum (Corynebacterium haemolyticum)2
    Bacillus anthracis3
    Bacteroides fragilis2
    Bartonella bacilliformis2
    Bartonella (Rochalimea) spp.12
    Bordetella bronchiseptica2
    Bordetella parapertussis2
    Bordetella pertussis2V
    Borrelia burgdorferi2
    Borrelia duttonii2
    Borrelia recurrentis2
    Borrelia spp.12
    Brucella abortus3
    Brucella canis3
    Brucella melitensis3
    Brucella suis3
    Burkholderia mallei (Pseudomonas mallei)3
    Burkholderia pseudomallei (Pseudomonas pseudomallei)3
    Campylobacter fetus2
    Campylobacter jejuni2
    Campylobacter spp.12
    Cardiobacterium hominis2
    Chlamydia pneumoniae2
    Chlamydia trachomatis2
    Chlamydia psittaci (avian strains)3
    Chlamydia psittaci (other strains)2
    Clostridium botulinum2T
    Clostridium perfringens2
    Clostridium tetani2T, V
    Clostridium spp.12
    Corynebacterium diphtheriae2T, V
    Corynebacterium minutissimum2
    Corynebacterium pseudotuberculosis2
    Corynebacterium spp.12
    Coxiella burnetii3
    Edwardsiella tarda2
    Ehrlichia sennetsu (Rickettsia sennetsu)2
    Ehrlichia spp.12
    Eikenella corrodens2
    Enterobacter aerogenes/cloacae2
    Enterobacter spp.12
    Enterococcus spp.12
    Erysipelothrix rhusiopathiae2
    Escherichia coli22
    Escherichia coli, verocytotoxic strains e.g. O157:H7 or O10333T
    Flavobacterium meningosepticum2
    Fluoribacter bozemanae (Legionella)2
    Francisella tularensis (Type A)3
    Francisella tularensis (Type B)2
    Fusobacterium necrophorum2
    Gardnerella vaginalis2
    Haemophilus ducreyi2
    Haemophilus influenzae2V
    Haemophilus spp.12
    Helicobacter pylori2
    Klebsiella oxytoca2
    Klebsiella pneumoniae2
    Klebsiella spp.12
    Legionella pneumophila2
    Legionella spp.12
    Leptospira interrogans (all serotypes)2
    Listeria monocytogenes2
    Listeria ivanovii2
    Morganella morganii2
    Mycobacterium africanum3V
    Mycobacterium avium/intracellulare2
    Mycobacterium bovis (except BCG strains)3V
    Mycobacterium chelonae2
    Mycobacterium fortuitum2
    Mycobacterium kansasii2
    Mycobacterium leprae3
    Mycobacterium malmoense2
    Mycobacterium marinum2
    Mycobacterium microti33
    Mycobacterium paratuberculosis2
    Mycobacterium scrofulaceum2
    Mycobacterium simiae2
    Mycobacterium szulgai2
    Mycobacterium tuberculosis3V
    Mycobacterium ulcerans33
    Mycobacterium xenopi2
    Mycoplasma caviae2
    Mycoplasma hominis2
    Mycoplasma pneumoniae2
    Neisseria gonorrhoeae2
    Neisseria meningitidis2V
    Nocardia asteroides2
    Nocardia brasiliensis2
    Nocardia farcinica2
    Nocardia nova2
    Nocardia otitidiscaviarum2
    Pasteurella multocida2
    Pasteurella spp.12
    Peptostreptococcus anaerobius2
    Plesiomonas shigelloides2
    Porphyromonas spp.12
    Prevotella spp.12
    Proteus mirabilis2
    Proteus penneri2
    Proteus vulgaris2
    Providencia alcalifaciens2
    Providencia rettgeri2
    Providencia spp.12
    Pseudomonas aeruginosa2
    Rhodococcus equi2
    Rickettsia akari33
    Rickettsia canada33
    Rickettsia conorii3
    Rickettsia montana33
    Rickettsia typhi (mooseri)3
    Rickettsia prowazekii3
    Rickettsia rickettsii3
    Rickettsia tsutsugamushi3
    Rickettsia spp.12
    Bartonella quintana (Rochalimaea quintana)2
    Salmonella arizonae2
    Salmonella enteritidis2
    Salmonella typhimurium2
    Salmonella paratyphi A, B, CC2
    Salmonella typhi33V
    Salmonella (other serotypes)2
    Serpulina spp.12
    Shigella boydii2
    Shigella dysenteriae (Type 1)33T
    Shigella dysenteriae (except Type 1)2
    Shigella flexneri2
    Shigella sonnei2
    Staphylococcus aureus2
    Streptobacillus moniliformis2
    Streptococcus pneumoniae2V
    Streptococcus pyogenes2
    Streptococcus suis2
    Streptococcus spp.12
    Treponema carateum2
    Treponema pallidum2
    Treponema pertenue2
    Treponema spp.12
    Vibrio cholerae (including El Tor)2V
    Vibrio parahaemoloyticus2
    Vibrio spp.12
    Yersinia enterocolitica2
    Yersinia pestis3V
    Yersinia pseudotuberculosis2
    Yersinia spp.12
    Notes
    1 The term ‘spp.’ refers to other species of the same genus known to be human pathogens.
    2 With the exception of non-pathogenic strains.
    3 Usually not spread by airborne transmission.
    4 Hepatitis D virus infections is pathogenic in employees only in the presence of simultaneous or secondary infection caused by the hepatitis B virus. Vaccination against the hepatitis B virus will therefore protect employees who are not infected by the virus against the hepatitis D virus (Delta).
    5 Only for types A and B.
    6 Recommended for work involving direct contact with these agents.
    7 Two viruses are identified: one a type of the buffalopox virus and the other a variant of the Vaccinia virus.
    8 Variant of the cowpox virus.
    9 Variant of the Vaccinia virus.
    10 At present, there is no evidence of disease in humans caused by retroviruses of simian origin. As a precaution, containment level 3 is recommended for work involving exposure to such retroviruses.
    11 There is no evidence of in humans of infections caused by the agents responsible for other TSEs than BSE in animals. The containment level used for agents in infection risk group 3 (with pertaining footnote 3) is nevertheless recommended as a precaution for laboratory work, with the exception of laboratory work involving identified Scrapie agents for which containment level 2 is sufficient.

  10. Annex 3: Non-coherent optical radiation

    To read Table 3.1, see: (pdf)

    λ in nmS (λ)λ in nmS (λ)λ in nmS (λ)λ in nmS (λ)λ in nmS (λ)
    1800,01202280,17372760,94343240,0005203720,000086
    1810,01262290,18192770,92723250,0005003730,000083
    1820,01322300,19002780,91123260,0004793740,000080
    1830,01382310,19952790,89543270,0004593750,000077
    1840,01442320,20892800,88003280,0004403760,000074
    1850,01512330,21882810,85683290,0004253770,000072
    1860,01582340,22922820,83423300,0004103780,000069
    1870,01662350,24002830,81223310,0003963790,000066
    1880,01732360,25102840,79083320,0003833800,000064
    1890,01812370,26242850,77003330,0003703810,000062
    1900,01902380,27442860,74203340,0003553820,000059
    1910,01992390,28692870,71513350,0003403830,000057
    1920,02082400,30002880,68913360,0003273840,000055
    1930,02182410,31112890,66413370,0003153850,000053
    1940,02282420,32272900,64003380,0003033860,000051
    1950,02392430,33472910,61863390,0002913870,000049
    1960,02502440,34712920,59803400,0002803880,000047
    1970,02622450,36002930,57803410,0002713890,000046
    1980,02742460,37302940,55873420,0002633900,000044
    1990,02872470,38652950,54003430,0002553910,000042
    2000,03002480,40052960,49843440,0002483920,000041
    2010,03342490,41502970,46003450,0002403930,000039
    2020,03712500,43002980,39893460,0002313940,000037
    2030,04122510,44652990,34593470,0002233950,000036
    2040,04592520,46373000,30003480,0002153960,000035
    2050,05102530,48153010,22103490,0002073970,000033
    2060,05512540,50003020,16293500,0002003980,000032
    2070,05952550,52003030,12003510,0001913990,000031
    2080,06432560,54373040,08493520,0001834000,000030
    2090,06942570,56853050,06003530,000175
    2100,07502580,59453060,04543540,000167
    2110,07862590,62163070,03443550,000160
    2120,08242600,65003080,02603560,000153
    2130,08642610,67923090,01973570,000147
    2140,09062620,70983100,01503580,000141
    2150,09502630,74173110,01113590,000136
    2160,09952640,77513120,00813600,000130
    2170,10432650,81003130,00603610,000126
    2180,10932660,84493140,00423620,000122
    2190,11452670,88123150,00303630,000118
    2200,12002680,91923160,00243640,000114
    2210,12572690,95873170,00203650,000110
    2220,13162701,00003180,00163660,000106
    2230,13782710,99193190,00123670,000103
    2240,14442720,98383200,00103680,000099
    2250,15002730,97583210,0008193690,000096
    2260,15832740,96793220,0006703700,000093
    2270,16582750,96003230,0005403710,000090

    λ in nmB (λ)R (λ)
    300 ≤ λ < 3800,01–
    3800,010,1
    3850,0130,13
    3900,0250,25
    3950,050,5
    4000,11
    4050,22
    4100,44
    4150,88
    4200,99
    4250,959,5
    4300,989,8
    435110
    440110
    4450,979,7
    4500,949,4
    4550,99
    4600,88
    4650,77
    4700,626,2
    4750,555,5
    4800,454,5
    4850,323,2
    4900,222,2
    4950,161,6
    5000,11
    500 < λ ≤ 600100,02·(450-λ)1
    600 < λ ≤ 7000,0011
    700 < λ ≤ 1050–100,002·(700-λ)
    1050 < λ ≤ 1150–0,2
    1150 < λ ≤ 1200–0,2 · 100,02·(1150-λ)
    1200 < λ ≤ 1400–0,02

  11. Annex 4: Optical radiation from lasers

    Wavelength [nm]λRadiation rangeAffected organHazardExposure limit value table
    180 to 400UVEyephotochemical damage and thermal damage4.2, 4.3
    180 to 400UVSkinerythema4.4
    400 to 700visibleEyeRetinal damage4.2
    400 to 600visibleEyephotochemical damage4.3
    400 to 700visibleSkinthermal damage4.4
    700 to 1400IRAEyethermal damage4.2, 4.3
    700 to 1400IRASkinthermal damage4.4
    1400 to 2600IRBEyethermal damage4.2
    2600 to 106IRCEyethermal damage4.2
    1400 to 106IRB, IRCEyethermal damage4.3
    1400 to 106IRB, IRCSkinthermal damage4.4

    To read Table 4.2, see: (pdf)

    To read Table 4.3, see: (pdf)

    To read Table 4.4, see: (pdf)

    Parameter as listed in ICNIRPValid spectral range (nm)Value
    CAλ < 700CA = 1.0
    700 – 1050CA = 100,002(λ-700)
    1050 – 1400CA = 5.0
    CB400 – 450CB = 1.0
    450 – 700CA = 100,02(λ-450)
    CC700 – 1150CC = 1.0
    1150 – 1200CC = 100,018(λ-1150)
    1200 – 1400CC = 8,0
    T1λ < 450T1 = 10 s
    450 – 500T1 = 10 · [100,02((λ-450)] s
    λ > 500T1 = 100 s
    Parameter as listed in ICNIRPValid for biological effectValue
    αminall thermal effectsαmin = 1.5 mrad
    Parameter as listed in ICNIRPValid angular range (mrad)Value
    CEα < αminCE = 1,0
    αmin < α < 100CE = α/αmin
    α > 100CE = α2 /(αmin · αmax ) mrad with αmax = 100 mrad
    T2α < 1.5T2 = 10 s
    1.5 < α < 100T2 = 10 · [10 (α-1,5)/98,5] s
    α > 100T2 = 100 s
    Γt ≤ 100γ = 11 [mrad]
    100 < t < 104γ = 1.1 t0,5 [mrad]
    t > 104γ = 110 [mrad]

    Each of the following three general rules should be applied to all repetitive exposures as occur from repetitively pulsed or scanning laser systems:
    1. 1.
      The exposure from any single pulse in a train of pulses shall not exceed the exposure limit value for a single pulse of that pulse duration.
    2. 2.
      The exposure from any group of pulses (or sub-group of pulses in a train) delivered in time t shall not exceed the exposure limit value for time t.
    3. 3.
      The exposure from any single pulse within a group of pulses shall not exceed the single-pulse exposure limit value multiplied by a cumulativethermal correction factor Cp=N-0.25, where N is the number of pulses. This rule applies only to exposure limits to protect against thermal injury, where all pulses delivered in less than Tmin are treated as a single pulse.
      ParameterValid spectral range (nm)Value
      Tmin315 < λ ≤ 400Tmin = 10-9 s (= 1 ns)
      400 < λ ≤ 1050Tmin = 18 - 10-6 s (= 18 μs)
      1050 < λ ≤ 1400Tmin = 50 - 10-6 s (= 50 μs)
      1400 < λ ≤ 1500Tmin = 10-3 s (= 1 ms)
      1500 < λ ≤ 1800Tmin = 10 s
      1800 < λ ≤ 2600Tmin = 10-3 s (= 1 ms)
      2600 < λ ≤ 106Tmin = 10-7 s (= 100 ns)

  12. Annex 5: Lower action values for electromagnetic fields

    Frequency range, fLower action value for electrical field strength
    (E)
    [Vm-1]
    (RMS)    		Lower action value for power density (S)
    [Wm-2]
    1 Hz ≤ f < 25 Hz2.0 x 104–
    (Value not given in the Directive, but can be calculated based on E. S=E2 /120π)
    25 Hz ≤ f < 3 kHz5.0 x 105 /f–
    3 kHz ≤ f < 3.59 MHz170–
    3.59 MHz ≤ f < 10 MHz6.1 x 108 /f–
    10 MHz ≤ f < 400 MHz61–
    400 MHz ≤ f < 2 GHz3,0 x 10–3 f1/2–
    2 GHz ≤ f ≤ 300 GHz14050
    Note 5.1-1: f is the frequency in hertz [Hz].
    Note 5.1-2: Lower action values for electrical field strength are Root-Mean-Square, RMS values corresponding to the peak values divided by √2 for sinusoidal fields. For non-sinusoidal fields, the exposure assessment shall be based on the method using weighted peak value (filtration during the period).
    Note 5.1-3: The action values represent the maximum calculated or measured values for the employee’s body position.
    Note 5.1-4: The power density is calculated as the mean value for an exposed area of 20 cm2. The local maximum power density, calculated as the mean value for 1 cm2, should not exceed 20 times 50 Wm-2. The power density from 6 to 10 GHz is calculated as the mean value for a six-minute period. Above 10 GHz, the power density is calculated as the mean value over a 68/f1.05 -minute-period (where f equals the frequency in GHz) to compensate for a gradual decline in penetration depth as the frequency increases.

    Frequency range, fLower action value for magnetic flux density (B)
    [µT] (RMS)    		Lower action value for magnetic flux density (B) for exposure of limbs in a restricted magnetic field [µT] (RMS)
    1 Hz ≤ f < 8 Hz2.0 x 105 /f29.0 x 105 /f
    8 Hz ≤ f < 25 Hz2.5 x 104 /f9.0 x 105 /f
    25 Hz ≤ f < 300 Hz10009.0 x 105 /f
    300 Hz ≤ f < 3 kHz3.0 x 105 /f9.0 x 105 /f
    3 kHz ≤ f <100 kHz100300
    100 kHz ≤ f < 10 MHz2.0 x 106 /f300
    10 MHz ≤ f < 400 MHz0.2–
    400 MHz ≤ f < 2 GHz1.0 x 10-5 f1/2–
    2 GHz ≤ f ≤ 300 GHz0.45–
    Note 5.2-1: f is the frequency in hertz [Hz].
    Note 5.2-2: Lower action values for exposure to magnetic fields are Root-Mean-Square, RMS values corresponding to the peak values divided by √2 for sinusoidal fields. For non-sinusoidal fields, the exposure assessment shall be based on the method using weighted peak value (filtration during the period).
    Note 5.2-3: The action values for exposure to magnetic fields represent the maximum calculated or measured values for the employee’s body position.

    Frequency range, fLower action value for contact current (Ic )
    [mA] (RMS)    		Lower action value for induced current in limbs (Ii )
    [mA] (RMS)
    f < 2.5 kHz1.0
    2.5 kHz ≤ f < 100 kHz0.4 f
    100 kHz ≤ f < 10 MHz40
    10 MHz ≤ f ≤ 110 MHz40100
    Note 5.3-1: f is the frequency in hertz [kHz].
    Note 5.3-2: [Action values for induced power (Ii)]2 are calculated as the mean value for a six-minute period.

    Risk/hazardLower action value for magnetic flux density (B0 )
    [mT]
    Interference with active implants, e.g. pacemaker0.5
    Risk of attraction and projectile near strong magnets (> 100 mT)3

  13. Annex 6: Upper action values for electromagnetic fields

    Frequency area, fUpper action value for electric field strength (E)
    [Vm-1]
    (RMS)
    1 Hz ≤ f < 50 Hz2.0 x 10-4
    50 Hz ≤ f < 1.64 kHz1.0 x 10-6 /f
    1.64 kHz ≤ f < 10 MHz610
    10 MHz ≤ f < 400 MHz61
    400 MHz ≤ f < 2 GHz3.0 x 10-3 x f½
    2 GHz ≤ f ≤ 300 GHz140
    Note 6.1-1: f is frequency in hertz [Hz].
    Note 6.1-2: The upper action values for electric field strength are Root-Mean-Square, RMS values equivalent to peak values divided by √2 for sine-shaped fields. As regards fields that are not sine-shaped, the exposure assessment shall be carried out based on the weighted peak method (filtering in the time domain).
    Note 6.1-3: The action values represent maximum calculated or measured values at the employee's body position.

    Frequency range, fUpper action value for magnetic flux density (B) [µT] (RMS)
    1 Hz ≤ f < 3 kHz3.0 x 10-5 /f
    3 kHz ≤ f < 10 MHz100
    10 MHz ≤ f < 400 MHz0.2
    400 MHz ≤ f < 2 GHz1.0 x 10-5 x f1/2
    2 GHz ≤ f ≤ 300 GHz0.45
    Note 6.2-1: f is frequency in hertz [Hz].
    Note 6.2-2: The action values for exposure to magnetic fields are Root-Mean-Square, RMS values equivalent to peak values divided by √2 for sine-shaped fields. As regards fields that are not sine-shaped, the exposure assessment shall be carried out based on the weighted peak method (filtering in the time domain).
    Note 6.2-3: Action values for exposure to magnetic fields represent maximum calculated or measured values at the employee's body position.

  14. Annex 7: Limit values for electromagnetic fields

    Limit values for sensory effects
    [T]
    Normal working conditions2
    Local exposure of limbs8
    Limit values for health effects [T]
    Controlled working conditions8

    Frequency rate, fLimit values for health effects [Vm-1]
    1 Hz ≤ f < 3 kHz1.1
    3 kHz ≤ f ≤ 10 MHz3.8 x 10-4 f
    Note 7.2-1: f is the frequency in hertz [Hz].
    Note 7.2-2: Limit values for health effects upon exposure to internal electric field strength are local peak values in the body of the exposed individual.
    Note 7.2-3: Limit values for health effects are peak values in time corresponding to Root-Mean-Square, the RMS values multiplied by √2 for sinusoidal fields. For non-sinusoidal fields, the exposure assessment shall be based on the method using weighted peak value (filtration during the period). Other scientifically documented and recognised methods may be used to assess exposure if they give corresponding and comparable results.

    Frequency rate, fLimit values for sensory effects
    [Vm-1]
    1 Hz ≤ f < 10 Hz0.7/f
    10 Hz ≤ f < 25 Hz0.07
    25 Hz ≤ f ≤ 400 Hz0.0028 f
    Note 7.3-1: f is the frequency in hertz [Hz].
    Note 7.3-2: Limit values for sensory effects upon exposure to internal electric field strength are local peak values in the exposed individual’s head.
    Note 7.3-3: Limit values for sensory effects are peak values in time corresponding to Root-Mean-Square, the RMS values multiplied by √2 for sinusoidal fields. For non-sinusoidal fields, the exposure assessment shall be based on the method using weighted peak value (filtration during the period). Other scientifically documented and recognised methods may be used to assess exposure if they give corresponding and comparable results.

    Health effectsSpecific energy absorption rate (SAR) over a six-minute period
    [W/kg-1]
    Limit value related to whole-body heat load0.4
    Limit value related to local heat load in the head and body10
    Limit value related to local heat load in limbs20
    Note 7.4-1: Health effects are expressed as average SAR in the body.
    Note 7.4-2: Local SAR is calculated as the mean value of a mass of 10 g coherent body tissue with almost homogeneous electric properties. Because it specifies a coherent body mass, this method can be used within electronic dosimetry, but it can be difficult in connection with direct physical measurements. A simple form, such as e.g. cubic or spherical body tissue mass can be used.

    Frequency rate, fLocal specific energy absorption (SA)
    [mJ/kg-1]
    0.3 ≤ f ≤ 6 GHz10
    Note 7.5-1: Local SA is calculated as the average mass for 10 g body tissue.

    Frequency rate, fLimit values for health effects related to radiation density
    [W/m-2]
    6 ≤ f ≤ 300 GHz50
    Note 7.6-1: Effect density is calculated as the mean value for 20 cm2 of exposed area. The local maximum effect density, calculated as the mean value for 1 cm2, should not exceed 20 times 50 Wm-2. The effect density from 6 to 10 GHz is calculated as the mean value for a six-minute period. For more than 10 GHz the effect density is calculated as the mean value over a 68/f1.05 -minute-period (where f is the frequency in GHz) to compensate for the gradual decline in penetration depth as the frequency increases.