Section 325.52921. Lead.

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(1) In confined spaces, welding involving lead-base metals, erroneously called lead-burning, shall be done in accordance with R 325.52912.

(2) Indoors. Indoors, welding involving lead-base metals shall be done in accordance with R 325.52911.

(3) Local ventilation. In confined spaces or indoors, welding or cutting operations involving metals containing lead, other than as an impurity, or metals coated with lead-bearing materials, including paint, shall be done using local exhaust ventilation or airline respirators. Such operations, when done outdoors, shall be done using respirators approved for this purpose by NIOSH under C.F.R. Title 42, Part 84, as adopted by reference in R 325.52902. In all cases, workers in the immediate vicinity of the cutting operation shall be protected by local exhaust ventilation or airline respirators.

History: 2015 AACS.

                    
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