(1) Within one working day of notification from a law enforcement agency of potential contamination, the local health officer shall post a written warning on the premises. The warning shall inform potential occupants that hazardous chemicals may exist on, or have been removed from the property and that entry is unsafe.

(2) Within fourteen days of notification, the local health officer shall inspect the property.

(3) If the property is contaminated, the local health officer shall post a written notice on the premises declaring that the officer intends to issue an order prohibiting use of the property as long as the property is contaminated.

(4) Within ten working days of determining the property is contaminated, the local health officer shall cause to be served an order prohibiting use as required under WAC 246-205-560.

(5) Within one working day of issuance of the order, the local health officer shall post the order in a conspicuous place on the property.