U.S. business entities, private and public, with annual revenues greater than $1 billion that “do business” in California (even if headquartered elsewhere) are subject to SB 253.

Annual Emission Report (AER) for South Coast Air Quality Management District are due May 1, 2026. Developing and accurately submitting an AER can be complex, contact one of our AER experts for assistance.

Rule 3171 fees apply to all major sources of Volatile Organic Compounds (VOCs) or Oxides of Nitrogen (NOx) in the San Joaquin Valley air district.

The Los Angeles Regional Water Quality Control Board (Water Board) is continuing to refine the proposed Commercial, Industrial, and Institutional (CII) Stormwater Permit, a regional permit aimed at reducing stormwater pollution from large, privately owned commercial, industrial, and institutional sites in the Dominguez Channel / Los Angeles & Long Beach Inner Harbor or the Los Cerritos Channel / Alamitos Bay watersheds in Los Angeles County.