Cal. Health and Safety Code § 40458.5

(a) Subject to an appropriation for this express purpose, the South Coast Air Quality Management District shall, beginning on January 1, 2026, and until January 1, 2032, deploy mobile air monitoring systems within the Counties of Riverside and San Bernardino to collect air pollution measurements in communities that are near operational logistics use developments. (b) Based on the amount of appropriated funds, the district may use a combination of new air monitoring data or other measurement data to evaluate pollutant concentrations at varying distances away from new logistics use projects. (c) The South Coast Air Quality Management District shall submit its findings to the Legislature on or before January 1, 2033. On or before January 1, 2028, the South Coast Air Quality Management District shall submit an interim report to evaluate the impact of air pollution on sensitive receptors, as defined in Section 65098 of the Government Code, from logistics use development operations in the Counties of Riverside and San Bernardino, including relative pollution concentrations from logistics use developments at varying distances from sensitive receptors. This report shall be used to assess the effectiveness of setbacks on public health. (d) (1) The requirement for submitting a report imposed pursuant to subdivision (c) is inoperative on January 1, 2040, pursuant to Section 10231.5 of the Government Code. (2) A report to be submitted pursuant to subdivision (c) shall be submitted in compliance with Section 9795 of the Government Code.