Current through Vol. 24-21, December 1, 2024
Section R. 408.14476 - Cleaning castings in enclosuresRule 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.Mich. Admin. Code R. 408.14476