Livestock Watering Data Sheet - USDA

ACGIH Handbook of Industrial Ventilation (latest edition) Welding LEV OSHA requires 100 feet per minute (fpm) in the zone of welding for a local exhaust hood. Other requirements exist for fixed enclosure welding and confined space welding. The minimum distance that shall be maintained between the welding zone and the face of the hood is 6 inches. ................
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