Section 408.14476. Cleaning castings in enclosures.

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Rule 4476. (1) Sand or abrasive cleaning shall be done in an enclosed machine or room which shall be dust tight or have exhaust systems.

(2) When a core is blown out of a casting, it shall be done in an enclosure equipped with an exhaust system.

History: 1979 AC; 2013 AACS.

                    
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