Appendix 'A'

Any works or that part of works in which:-

(a) the manufacture, manipulation or recovery of any of the following is carried on:-

(i) Sodium, potassium, iron, aluminium, cobalt; nickel. copper, arsenic, antimony,

chromium, zinc, selenium, magnesium, cadmium, mercury, beryllium and

their organic and inorganic salts, alloys, oxides and any hydroxides;

(ii) ammonia, ammonium hydroxide and salts of ammonium;

(iii) the organic or inorganic compounds of sulphurous, sulphuric. nitric, nitrous

hydrochloric, hydrofluoric, hydroiodic, hydro sulphuric, hydrobromic, boric;

(iv) Cyanogen compounds, cyanide compounds, cyanate compounds:

(v) Phosphorus and its compounds other than organophosphorus insecticides;

(vi) Chlorine.

(b) hydrogen sulphide is evolved by the decomposition of metallic sulphides, or

hydrogen sulphide is used in the production of such sulphides;

(c) bleaching powder is manufactured or chlorine gas is produced in chloralkali

plants:

(d) (i) gas tar or coal tar or bitumen or shale oil asphalt or any residue of such tar is

distilled or is used in any process of chemicals manufacture:

(ii) tar based synthetic colouring matters or their intermediates are produced:

(e) nitric acid is used in the manufacture of nitro compounds;

(f) explosives are produced with the use of nitro compounds;

(g) aliphatic or aromatic compounds or their metallic and non-metallic derivatives or

substituted derivatives, such as chloroform, ethylene glycol, formaldehyde, benzyl

chloride, phenol, methyl ethyl ketone peroxide, cobalt carbonyl tungsten carbide

etc. are manufactured or recovered.

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