CA AB2776

Excludes compaction of hazardous waste from the definition of "treatment" requiring a permit, provided the waste is not liquid, does not meet ignitability characteristics, and compaction does not produce fugitive dust, fire, or explosion

Revises exemptions for aboveground petroleum storage tanks by clarifying that oil-filled electrical equipment exemptions apply to a single piece of equipment and strengthening secondary containment requirements for tanks in underground areas to include associated piping and ancillary equipment

Expands petroleum release notification requirements to cover any release into state waters, rather than only spills of 42 gallons or more, with violations constituting a crime

Specifies that underground storage tank interstitial space monitoring requirements apply only to portions beneath the ground surface

Exempts certain gases from business plan reporting thresholds, including oxygen, nitrogen, and nitrous oxide maintained by physicians, dentists, veterinarians, pharmacists, or emergency medical providers at their place of business