R 408.16350 Bleaching.

Rule 6350.(1) An employer shall ensure that the bleach-mixing rooms in which the bleach powder is mixed is provided with adequate exhaust ventilation, located at the floor level, as prescribed in ANSI Standard Z9.1 “Open Surface Tanks-Ventilation and Operations,” 1951 edition, as adopted in R 408.16302 (2) Chlorine gas shall be carried away from the work place and breathing area by an exhaust system. The gas shall be rendered neutral or harmless before being discharged into the atmosphere as prescribed in ANSI Standard Z9.2 “Fundamentals Governing the Design and Operation of Local Exhaust Ventilation Systems,” 1960 edition, as adopted in R 408.16302. (3) For emergency and rescue operations, the employer must provide employees with self-contained breathing apparatuses or supplied-air respirators and ensure that employees use these respirators as prescribed in Occupational Health Standard Part 451 “Respiratory Protection,” as referenced in R 408.16302.