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 hydroxides;

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

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

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

(iv) cyanogens compounds, cyanide compounds, cyanate compounds;

(v) phosphorous and its compounds other than oregano phosphorus 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 chlor-alkali 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 coloring matters or their produced; intermediates are

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

(0 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 keystone peroxide, cobalt carbonyl, tungsten carbide etc. Are

manufactured or recovered.