Section 2331 Of Article 2. Foundries And Metal Shops From California Labor Code >> Division 2. >> Part 9. >> Chapter 1. >> Article 2.

. The owner or manager of every foundry or metal shop engaged in the casting, fabricating, or working over in any manner of any metal or compound, where one or more persons are employed, shall comply with standards relating to mechanical ventilation systems adopted by the Occupational Safety and Health Standards Board pursuant to Chapter 6 (commencing with Section 140) of Division 1.