§ 47.194. Exhaust systems.
(a) Pipes. All gas heated lead melting pots shall be equipped with exhaust hoods and exhaust pipes sufficient to remove all gas fumes.
(b) Cleaning. Plungers shall be cleaned under an exhaust hood or in a cleaning box. Type metal shall be cleaned either under an exhaust hood or by a vacuum system.
(c) Discharge pipes. The fumes from all exhaust pipes shall be discharged outside the workroom at a point where they cannot return to the building nor create a nuisance.
(d) Approval. Before construction work on exhaust systems is started, plans for these systems shall be submitted in duplicate to the Department for approval.
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