Oregon Revised Statutes Alcoholic Liquors; Controlled Substances; Drugs § 475.977

(a) “Dispose of” means to discharge, deposit, inject, spill, leak or place methamphetamine manufacturing waste into or onto land or water.

(b) “Methamphetamine manufacturing waste” means chemical waste or debris, used in or resulting from the manufacture of methamphetamine or the grinding, soaking or otherwise breaking down of a precursor substance for the manufacture of methamphetamine.

(a) Knowingly possesses methamphetamine manufacturing waste; or

(b) Knowingly disposes of methamphetamine manufacturing waste.

(a) The person was storing, treating or disposing of the waste pursuant to state or federal laws regulating the cleanup or disposal of waste products from unlawful methamphetamine manufacturing;

(b) The person has notified a law enforcement agency of the existence of the waste; or

(c) The person possesses or disposes of waste that had previously been disposed of by another person on the person's property in violation of subsection (2) of this section.