(1) You must maintain all surfaces as free as practicable of visible accumulations of MDA.
(2) You must institute a program for detecting MDA leaks, spills, and discharges, including regular visual inspections of operations involving liquid or solid MDA.
(3) You must repair all leaks and clean up liquid or dust spills 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) You must collect waste, scrap, debris, bags, containers, equipment, and clothing contaminated with MDA and dispose of it in a manner to prevent the reentry of MDA into the workplace.