The board shall evaluate the use of recycling residue for use as solid waste landfill cover materials or for use as extenders for currently used cover material. If used as daily cover or as extenders to daily cover, recycling residues shall have all of the physical characteristics required by regulations for cover materials adopted pursuant to Section 43020. The results of this evaluation shall be reported in the report required pursuant to Section 40507.
Ca. Pub. Res. Code § 42171