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 80230 - San Diego Air Basin

Universal Citation: 17 CA Code of Regs 80230

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

Except that portion which lies east of a line beginning at the U.S.-Mexico border and running north along the range line common to R. 7 E and R. 6 E, San Bernardino Base and Meridian; to the southeast corner of T. 16 S, and R. 6 E; then west along the township line common to T. 16 S and T. 17 S to the southwest corner of T. 16 S, R. 6 E; then north along the range line common to R. 6 E and R. 5 E to the southeast corner of T. 14 S, R. 5 E; then west along the township line common to T. 14 S and T. 15 S to the point of intersection with the east boundary of Cuyamaca Park; then north along the east boundary of Cuyamaca Park to the point of intersection with the range line common to R. 5 E and R. 4 E; then north along this range line to the point of intersection with the south boundary of the San Felipe Land Grant; then east and north along the land grant boundary to the eastern most corner; then continuing west and north along the land grant boundary to the point of intersection with the range line common to R. 5 E and R. 4 E; then north along this range line to the point of intersection with the township line common to T. 10 S and T. 9 S; then west along this township line to the point of intersection with the range line common to R. 4 E and R. 3 E; then north along this range line to the San Diego-Riverside County boundary. Criteria for this portion are those of the Salton Sea Air Basin.

(a) A permissive-burn day will be declared when the following criteria are met:

(1) Above 3,000 feet msl *:
(A) Near 4:00 a.m., the inversion top is less than 3,000 feet msl or the temperature difference through the inversion is less than seven degrees Fahrenheit.

(B) The expected daytime resultant wind speed between 3,000 and 6,000 feet msl is at least 5 miles per hour.

(2) Below 3,000 feet msl *:
(A) The maximum mixing depth is expected to be at least 1,500 feet msl.

(B) The expected daytime resultant wind direction in the marine layer has a westerly component.

(C) The expected daytime resultant wind speed in the marine layer is at least five miles per hour.

__________

* 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 of first paragraph and repealer of subsection (b) 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 41854, 41855, 41856, 41857, 41859 and 41863, Health and Safety Code.

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