TX SB2982

Defines "renewable biomass" to include materials from National Forest System land and public lands that are byproducts of preventive treatments for reducing hazardous fuels, controlling disease/insect infestation, or restoring ecosystem health

Expands renewable biomass definition to cover organic matter from nonfederal and Indian trust lands, including feed grains, agricultural commodities, plants, trees, algae, crop residue, wood waste, animal waste/byproducts, and food/yard waste

Establishes "renewable chemical" as a monomer, polymer, plastic, formulated product, or chemical substance produced from renewable biomass feedstocks or certified under approved third-party mass balance attribution systems

Requires the Texas Commission on Environmental Quality (TCEQ) to identify third-party certification systems for mass balance attribution that can be used to verify renewable chemicals

Takes effect September 1, 2025, with TCEQ required to adopt implementing rules as soon as practicable after that date