Unless the context clearly requires otherwise, the definitions in this section apply throughout RCW 70A.410.005 through 70A.410.030.

(1) "Department" means the department of ecology.

(2) "Dishwashing detergent" means a cleaning agent sold, used, or manufactured for the purpose of cleaning dishes, whether by hand or by household machine.

(3) "Laundry detergent" means a cleaning agent sold, used, or manufactured for the purpose of cleaning laundry, whether by hand or by household machine.

(4) "Person" means an individual, firm, association, copartnership, political subdivision, government agency, municipality, industry, public or private corporation, or any other entity whatsoever.

(5) "Phosphorus" means elemental phosphorus.