Public Resources Code section 42244

The department shall evaluate compost, co-compost, and chemically fixed sewage sludge for use as solid waste landfill cover materials or for use as extenders for currently used cover material. Compost, co-compost, and chemically fixed sewage sludge products, when used as a substitute for or mixed with currently approved cover material, shall possess all the physical characteristics required in the definition of a cover material.

Source: Section 42244, https://leginfo.­legislature.­ca.­gov/faces/codes_displaySection.­xhtml?lawCode=PRC§ionNum=42244.­ (updated Jan. 1, 2019; accessed Jun. 30, 2025).

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Verified:
Jun. 30, 2025

§ 42244's source at ca​.gov