Dyes and Dyestuff including their intermediates

Industries / examples: Synthetic dye and dye-intermediate (aromatic amine) manufacture.

Principal hazards & agents

Aromatic amines (benzidine, beta-naphthylamine and analogues - bladder carcinogens)
Nitro/azo intermediates
Acids, oxidisers, solvents and dust; sensitising dyes

Health effects

Bladder cancer (aromatic amines), occupational asthma and dermatitis from reactive/azo dyes, methaemoglobinaemia (nitro/aniline compounds), chemical burns.

Engineering controls

Substitution/prohibition of banned carcinogenic amines; closed reaction and drying with containment and LEV; dust capture at weighing/blending; exposure monitoring and urinary surveillance; spill containment.

PPE

Respirators (FFP3 to air-fed) for dust/vapour
Chemical gloves, coveralls and aprons
Goggles/face shields
Decontamination facilities
Safety footwear

Statutory vs annotation: only the entry name and its sub-items are First-Schedule text. The hazard, health-effect, control and PPE notes are occupational-hygiene context, not statutory text. First Schedule, the Factories Act, 1948 [See section 2(cb)] — "List of Industries involving hazardous processes" (29 entries). Section 2(cb) defines "hazardous process". Verbatim list confirmed against the official Factory Inspectorate (Government of Puducherry, Labour Department) publication of the Factories Act, 1948 (py.gov.in/sites/default/files/labourfactory.pdf) and cross-checked with the bare-act text at AdvocateKhoj (advocatekhoj.com/library/bareacts/factories/schedule1.php). The Schedule may be amended/added to by the State Government under section 2(cb) read with section 41A.

Reference information for occupational-health professionals — not medical advice, and not a substitute for examination by a qualified physician.

Other hazardous processes

All 29 hazardous processes — First Schedule

MedFactory — Occupational Health Centre software for Indian factories