Section 325.52923. Cadmium.

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(1) In confined spaces or indoors, welding or cutting operations involving cadmium-bearing or cadmium-coated base metals shall be done using local exhaust ventilation or airline respirators unless atmospheric tests under the most adverse conditions show that employee exposure is within the acceptable concentrations specified by Occupational Health Standard Part 301 “Air Contaminants for General Industry,” as referenced in R 325.52902. Such operations, when done outdoors, shall be done using respirators, such as fume respirators, approved for this purpose by NIOSH under C.F.R. Title 42, Part 84, as adopted by reference in R 325.52902.

(2) Confined space. Welding, also known as brazing, involving cadmium-bearing filler metals shall be done using ventilation as prescribed in R 325.52911 or R 325.52912, if the work is to be done in a confined space.

History: 2015 AACS.

                    
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