California Code, Health and Safety Code - HSC § 40458.5

(a) Subject to an appropriation for this express purpose, the south coast 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) The south coast district shall use the data collected pursuant to subdivision (a) to conduct an air modeling analysis 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.

(c) The south coast district shall submit its findings to the Legislature on or before January 1, 2033. On or before January 1, 2028, the south coast 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.