
1 

(1) These Regulations may be cited as the Control of Substances Hazardous to Health (Amendment) Regulations 1996 and shall come into force on 10th January 1997.
(2) In these Regulations, “the principal Regulations” means the Control of Substances Hazardous to Health Regulations 1994.
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(1) The principal Regulations shall be amended in accordance with the following provisions of this regulation.
(2) In regulation 2(1), after the definition “occupational exposure standard” the following definition shall be inserted—“
 “preparation” means a mixture or solution of two or more substances;”.
(3) In regulation 13(1)—
(a) the words “ethylene oxide,” shall be deleted; and
(b) for the words “except that this regulation” shall be substituted the words “except that paragraph (2)”.
(4) In regulation 15(1), for the words “article 4, 5 or 7 of the Health and Safety at Work etc. Act 1974 (Application outside Great Britain) Order 1989” shall be substituted the words “article 4, 6 or 8 of the Health and Safety at Work etc. Act 1974 (Application outside Great Britain) Order 1995 (S.I. 1995 No. 263)”.
(5) For Schedule 1 shall be substituted the Schedule set out in these Regulations.
(6) In column 1 of Schedule 2, entry 11(b) shall be replaced by the following entry—“
(b) waste covered by Council Directives 75/442/EEC (OJNo. L194, 25.7.75, p. 39), as amended by Council Directive 91/156/EEC (OJ No. L78, 26.3.91, p. 32), and 91/689/EEC (OJ No. L377, 31.12.91, p. 20).”.
(7) In Schedule 4—
(a) the words “Vapour or” shall be deleted from the second entry in column 1; and
(b) the words “while the process is being carried on” shall be inserted after the words “Every 14 days” in the second entry in column 2.
(8) In Schedule 5 the words “1-Naphthylamine and its salts.” shall be deleted from the fourth entry in column 1.
(9) In Schedule 6 the words “Ethylene oxide” shall be deleted from column 1 and the words “Fumigations carried out for research.” and “Fumigations in fumigation chambers.” shall be deleted from the corresponding entry in column 2.
Signed by authority of the Secretary of State.
Paul Beresford
Parliamentary Under Secretary of State,
Department of Environment.
11th December 1996
THE SCHEDULE
Regulation 2(5)
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SCHEDULE 1
Regulations 2(1), 7(6) and 12(2)

The maximum exposure limits of the dusts included in the list below refer to the total inhalable dust fraction, unless otherwise stated.

  Reference periods
  Long-term maximum exposure limit(8-hour TWA reference period) Short-term maximum exposure limit(15-minute reference period)
Substance Formula ppm mg m−3 ppm mg m−3
Acrylamide CH2=CHCONH2 — 0.3 — —
Acrylonitrile CH2=CHCN 2 4.4 — —
Antimony & antimony compounds except stibine (as Sb) Sb — 0.5 — —
Arsenic & compounds except arsine (as As) As — 0.1 — —
Azodicarbonamide C2H4N4O2 — 1.0 — 3.0
Benzene C6H6 5 16 — —
Beryllium and beryllium compounds (as Be) Be — 0.002 — —
Bis(chloromethyl) ether ClCH2OCH2C1 0.001 0.005 — —
Buta-1, 3-diene CH2=CHCH=CH2 10 22 — —
Cadmium & cadmium compounds, exceptcadmium oxide fume,cadmium sulphide andcadmium sulphidepigments (as Cd) Cd — 0.025 — —
Cadmium oxide fume(as Cd) CdO — 0.025 — 0.05
Cadmium sulphide andcadmium sulphidepigments (respirabledust as Cd) CdS — 0.03 — —
Carbon disulphide CS2 10 32 — —
1-Chloro-2,3-epoxypropane (Epichlorohydrin) OCH2-CH-CH2Cl 0.5 1.9 1.5 5.8
Chromium (VI) compounds (as Cr) Cr — 0.05 — —
Cobalt and cobalt compounds (as Co) Co – 0.1 — —
Cotton dust  — 2.5 — —
1,2-Dibromoethane (Ethylene dibromide) BrCH2CH2Br 0.5 3.9 — —
1,2-Dichloroethane (Ethylene dichloride) ClCH2CH2Cl 5 21 — —
Dichloromethane CH2Cl2 100 350 300 1060
2,2'-Dichloro-4,4' -methylene dianiline (MbOCA) CH2(C6H3ClNH2)2 — 0.005 — —
Diethyl sulphate C4H10O4S 0.05 0.32 — —
Dimethyl sulphate C2H6O4S 0.05 0.26 — —
2-Ethoxyethanol C2H5OCH2CH2OH 10 37 — —
2-Ethoxyethyl acetate C2H5OCH2CH2OOCCH3 10 55 — —
Ethylene oxide CH2CH2O 5 9.2 — —
Ferrous foundry particulate total inhalable dust  — 10 — —
respirable dust  — 4 — —
Formaldehyde HCHO 2 2.5 2 2.5
Grain dust  — 10 — —
Halogeno-platinum compounds (complex co-ordination compounds in which the platinum atom is directly co-ordinated to halide groups) (as Pt)  — 0.002 — —
Hardwood dust  — 5 — —
Hydrazine N2H4 0.02 0.03 0.1 0.13
Hydrogen cyanide HCN — — 10 11
Iodomethane CH3I 2 12 — —
Isocyanates, all (as -NCO)  — 0.02 — 0.07
Maleic anhydride C4H2O3 — 1 — 3
Man-made mineral fibre  — 5 — —
2-Methoxyethanol CH3OCH2CH2OH 5 16 — —
2-Methoxyethyl acetate CH3COOCH2CH2OCH3 5 25 — —
4,4'-Methylenedianiline CH2(C6H4NH2)2 0.01 0.08 — —
Nickel and its inorganic compounds (except nickel carbonyl): Ni    
water-soluble nickel compounds (as Ni)  — 0.1 — —
nickel and water-insoluble nickel compounds (as Ni)  — 0.5 — —
2-Nitropropane CH3CH(NO2)CH3 5 19 — —
Phthalic anhydride C8H4O3 — 4 — 12
Polychlorinated biphenyls (PCB) C12CH(10−×)Cl× — 0.1 — —
Propylene oxide C3H6O 5 12 — —
Rubber fume  — 0.6 — —
Rubber process dust  — 6 — —
Silica, respirable crystalline SiO2 — 0.3 — —
Softwood dust  — 5 — —
Styrene C6H5CH=CH2 100 430 250 1080
o-Toluidine CH3C6H4NH2 0.2 0.89 — —
Trichloroethylene CCl2=CHCl 100 550 150 820
Triglycidyl isocyanurate (TGIC) C12H15N3O6 — 0.1 — —
Trimellitic anhydride C9H4O5 — 0.04 — 0.12
Vinyl chloride CH2=CHCI 7 — — —
Vinylidene chloride CH2=CCl2 10 40 — —
Wool process dust  — 10 — —



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