Manufacture of chromic acid or manufacture/recovery of the bichromate of sodium, potassium or ammonium

Rule 114(1) item 10 · Schedule X

Medical surveillance (statutory)

Sch X para 14: everyone in a chrome process examined by the Certifying Surgeon once in every calendar month (or other interval specified), on the premises. Health Register in Form 7; an appointed practitioner treats chrome ulcerations on the premises (thrice weekly); no re-employment after suspension without the CS's written sanction; X-ray arrangements required.

Hazard & health effects

Agent: Chromic acid / bichromates (hexavalent chromium)

Health effects: Chrome ulceration, nasal septum perforation, dermatitis, respiratory irritation; lung carcinogen.

Controls & PPE

Engineering controls: LEV/enclosure; mist/dust suppression; daily hand/feet inspection; barrier creams; prompt ulcer treatment; washing facilities.

PPE: Acid/chromate-resistant gloves, apron, boots; goggles/face shield; respiratory protection.

Statutory vs annotation: only the operation name, schedule number and medical-examination clause are statutory. The hazard, health-effects, controls and PPE notes are occupational-hygiene context.

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

Other dangerous operations

All 25 dangerous operations — s.87 / Rule 114

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