{"code":"HSC","codeName":"Health and Safety Code","section":"40921","citation":"Health & Saf. Code, § 40921","status":"in-force","lawOn":"2026-09-28","headings":[{"name":"DIVISION 26. AIR RESOURCES [39000. - 44475.3.]","url":"https://blackletter.si/health-and-safety-code/division-26"},{"name":"PART 3. AIR POLLUTION CONTROL DISTRICTS [40000. - 41357.]","url":"https://blackletter.si/health-and-safety-code/division-26/part-3"},{"name":"CHAPTER 10. District Plans to Attain State Ambient Air Quality Standards [40910. - 40930.]","url":"https://blackletter.si/health-and-safety-code/division-26/part-3/chapter-10"}],"history":"Amended by Stats. 1992, Ch. 945, Sec. 9.   Effective January 1, 1993.","effective":"1993-01-01","html":"<p>For the purposes of Sections <a href=\"/hsc/40918\">40918</a>, <a href=\"/hsc/40919\">40919</a>, <a href=\"/hsc/40920\">40920</a>, and <a href=\"/hsc/40920.5\">40920.5</a>, the designation of a district’s air pollution as “moderate,” “serious,” “severe,” or “extreme” for an area which is a receptor of transported air pollutants shall be based on violations of state ambient air quality standards which would occur without regard to the transport contribution.</p>","text":"For the purposes of Sections 40918, 40919, 40920, and 40920.5, the designation of a district’s air pollution as “moderate,” “serious,” “severe,” or “extreme” for an area which is a receptor of transported air pollutants shall be based on violations of state ambient air quality standards which would occur without regard to the transport contribution.","otherVersions":[],"url":"https://blackletter.si/health-and-safety-code/district-plans-to-attain-state-ambient-air-quality-standards-40921","source":"California Legislative Information bulk export (pubinfo)"}