Highly flammable liquids and gases

Industries / examples: Storage, handling and processing of LPG, hydrogen, acetylene, petrol/solvents and other highly flammable liquids and gases.

Principal hazards & agents

Flammable/explosive vapours and gases (fire, flash-fire, BLEVE, vapour-cloud explosion)
Asphyxiation (gas displacement of oxygen)

Health effects

Severe burns, blast/trauma injuries, smoke inhalation, asphyxiation; secondary toxic exposure from combustion products.

Engineering controls

Bunded/segregated storage with minimum quantities; flammable-gas (LEL) and oxygen detection with alarms; bonding/earthing and intrinsically safe/flame-proof electrical equipment; hot-work permit-to-work; venting/relief, fire-detection and fixed suppression; emergency response under s.41A-41H.

PPE

Anti-static FR clothing
Personal LEL/oxygen multi-gas monitors
Escape respirators/SCBA for emergencies
Flash-fire hoods/gloves
Safety footwear (anti-static)

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