Section 40607 Of Chapter 5.7. San Joaquin Valley Unified Air Pollution Control District From California Health And Safety Code >> Division 26. >> Part 3. >> Chapter 5.7.

. The district shall install one or more monitors for monitoring airborne fine particles smaller than 2.5 microns in diameter (PM 2.5) in primarily low-income and underserved areas in the western region of the County of Fresno.