Lead: Secondary Lead Smelter eTool
Local Exhaust Ventilation Diagrams » Scrap Barrel
W = 0.25' (Typical)
VSLOT = 2000 fpm
Q = 2000 · W · L
h e = 1.78 VPSLOT + 0.25 VPSLOT
Lapse in Appropriations
For workplace safety and health, please call 800-321-6742; for mine safety and health, please call 800-746-1553; for Job Corps, please call 800-733-5627 and for Wage and Hour, please call 866-487-9243 (866-4-US-WAGE). This website is currently not being updated due to the suspension of Federal government services. The last update to the site was 10/1/2025. Updates to the site will start again when the Federal government resumes operations.