California Code of Regulations
Title 17 - Public Health
Division 3 - Air Resources
Chapter 1 - Air Resources Board
Subchapter 2 - Smoke Management Guidelines for Agricultural and Prescribed Burning
Article 3 - Meteorological Criteria for Regulating Agricultural and Prescribed Burning
Section 80250 - Sacramento Valley Air Basin

Universal Citation: 17 CA Code of Regs 80250

Current through Register 2024 Notice Reg. No. 38, September 20, 2024

(a) Above 3,000 feet msl*, a permissive-burn day will be declared when the following criteria are met:

(1) Near 4:00 a.m., the mean 500 mb height over the Basin is less than the limiting mean height given in Table 1 of section 80320.

(2) The expected 4:00 p.m. mean 500 mb height over the Basin is less than the limiting mean height given in Table 1 of section 80320.

(b) Below 3,000 feet msl*, a permissive-burn day will be declared when the daily basinwide acreage allocation is greater than zero acreage. This allocation shall be determined daily by the state board and will vary with the existing and projected meteorology and air quality. The basinwide allocation shall be calculated from the basinwide acreage allocation equation contained in the approved approved Smoke Management Program required in section 80155.

(1) If, when a no-burn day decision is declared, the state ambient air quality standard for ozone, carbon monoxide, suspended particulate matter (PM10), or visibility is expected to be exceeded during the valid period, a note to this effect shall be appended to the announcement.

(2) A permissive-burn or no-burn day decision that has been announced may be changed by the Air Resources Board at any time prior to 10:00 a.m. if the meteorological and air quality situation that actually unfolds so warrants it.

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* In place of the standard 3,000 feet msl level, the elevation may be specified in increments of 500 feet on a day-to-day basis as determined from vertical temperature soundings.

1. Amendment filed 9-30-83; effective thirtieth day thereafter (Register 83, No. 40).
2. Amendment of section heading and subsections (b) and (c)(2) filed 9-2-92; operative 9-2-92 (Register 92, No. 36).
3. Amendment of subsections (a)-(b), repealer of subsection (c)(1) and subsection renumbering filed 3-14-2001; operative 3-14-2001 pursuant to Government Code section 11343.4 (Register 2001, No. 11).

Note: Authority cited: Sections 39600, 39601, 41856 and 41859, Health and Safety Code. Reference: Sections 41855, 41856, 41857, 41859 and 41863, Health and Safety Code.

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