(2) it's a violation of this statute for someone to:

(a) knowingly possesses methamphetamine manufacturing waste OR

(b) knowingly disposes of methamphetamine manufacturing waste

(3) (2) of this section does not apply to the possession or disposal of methamphetamine manufacturing waste if:

(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