California Code, Health and Safety Code - HSC § 25420

(a) “Biogas” means gas that is produced from the anaerobic decomposition of organic material.

(b) “Biomethane” means biogas that meets the standards adopted pursuant to subdivisions (c) and (d) of Section 25421 for injection into a common carrier pipeline.

(c) “Board” means the State Air Resources Board.

(d) “CalRecycle” means the Department of Resources Recycling and Recovery.

(e) “Commission” means the Public Utilities Commission.

(f) “Common carrier pipeline” means a gas conveyance pipeline, located in California, that is owned or operated by a utility or gas corporation, excluding a dedicated pipeline.

(g) “Dedicated pipeline” means a conveyance of biogas or biomethane that is not part of a common carrier pipeline system, and which conveys biogas from a biogas producer to a conditioning facility or an electrical generation facility.

(h) “Department” means the Department of Toxic Substances Control.

(i) “Gas corporation” has the same meaning as defined in Section 222 of the Public Utilities Code and is subject to rate regulation by the commission.

(j) “Hazardous waste landfill” means a landfill that is a hazardous waste facility, as defined in Section 25117.1.

(k) “Office” means the Office of Environmental Health Hazard Assessment.

(l) “Person” means an individual, trust, firm, joint stock company, partnership, association, business concern, limited liability company, or corporation. “Person” also includes any city, county, district, and the state or any department or agency thereof, or the federal government or any department or agency thereof to the extent permitted by law.