(1) All surfaces must be maintained as free as practicable of visible accumulations of MDA.
(2) The employer must institute a program for detecting MDA leaks, spills, and discharges, including regular visual inspections of operations involving liquid or solid MDA.
(3) All leaks must be repaired and liquid or dust spills cleaned up promptly.
(4) Surfaces contaminated with MDA may not be cleaned by the use of compressed air.
(5) Shoveling, dry sweeping, and other methods of dry clean-up of MDA may be used where HEPA-filtered vacuuming and/or wet cleaning are not feasible or practical.
(6) Waste, scrap, debris, bags, containers, equipment, and clothing contaminated with MDA must be collected and disposed of in a manner to prevent the reentry of MDA into the workplace.
[Statutory Authority: RCW
49.17.010,
49.17.040,
49.17.050, and
49.17.060. WSR 19-01-094, § 296-62-07623, filed 12/18/18, effective 1/18/19. Statutory Authority: Chapter
49.17 RCW. WSR 93-04-111 (Order 92-15), § 296-62-07623, filed 2/3/93, effective 3/15/93.]