Appendix ‘C’

Any works of that part of works in which-

1. 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, hydroiodic, hydro sulphuric, hydrobromic, boric;

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

(v) Phosphorous and its compounds other than organo phosphorous insecticides;

(vi) Chlorine

2. Hydrogen sulphide is evolved by the decomposition of metallic sulphide, or hydrogen sulphide is used

in the production of such Sulphides;

3. bleaching power is manufactured or chlorine gas is produced in chlor-alkali plants;

i) gas tar or coal tar or bitumen or shale oil asphalt or any residue of such tar is distilled or used in

any process of chemical manufacture;

ii) tar based synthetic coloring matters or their intermediate are produced;

4. nitric acid is used in the manufacture of nitro compounds;

5. explosives are produced with the use of nitro compounds;

6. 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.