Section 026-20-3 - Pesticide Storage and DisposalA. Unused pesticides, whether in sealed or open containers, must be kept in a secure enclosure and otherwise maintained so as to prevent unauthorized use, mishandling or loss; and so as to prevent contamination of the environment and risk to public health.B. Obsolete, expired, illegal, physically or chemically altered or unusable pesticides, except household pesticide products, shall be either: 1. stored in a secure, safe place under conditions that will prevent deterioration of containers or any contamination of the environment or risk to public health, or2. returned to the manufacturer or formulator for recycling, destruction, or disposal as appropriate, or3. disposed of in a licensed hazardous waste facility or other approved disposal site that meets or exceeds all current requirements of the Maine Department of Environmental Protection and the U.S. Environmental Protection Agency for facilities receiving such waste.01- 026 C.M.R. ch. 20, § 3