PDFWAC 296-155-17313
Regulated areas.
(1) Establishment.
(a) Airborne exposures. You must establish regulated areas where airborne concentrations of MDA exceed, or can reasonably be expected to exceed, the permissible exposure limits.
(b) Dermal exposures. Where employees are subject to "dermal exposure to MDA" you must establish those work areas as regulated areas.
(2) Demarcation. You must demarcate regulated areas from the rest of the workplace in a manner that minimizes the number of persons potentially exposed.
(3) Access. You must limit access to regulated areas to authorized persons.
(4) Personal protective equipment and clothing. You must supply each person entering a regulated area with the appropriate personal protective clothing and equipment in accordance with WAC 296-155-17317 and 296-155-17319 and require that they use it.
(5) Prohibited activities. You must ensure that employees do not eat, drink, smoke, chew tobacco or gum, or apply cosmetics in regulated areas.