{"data":{"id":"us-ca/hsc-39640","jurisdiction":"us-ca","citation":"HSC § 39640","heading":"","body":"The purpose of this chapter is to reduce public exposure, especially schoolage children’s exposure, to diesel exhaust particulate matter and other toxic air contaminants by limiting unnecessary idling of vehicular sources.","path":["Health and Safety Code - HSC","DIVISION 26. AIR RESOURCES [39000. - 44475.3.]","PART 2. STATE AIR RESOURCES BOARD [39500. - 39944.]","CHAPTER 3.4. Schoolbus Idling and Idling at Schools [39640. - 39642.]"],"source_url":"https://downloads.leginfo.legislature.ca.gov/pubinfo_2025.zip","current_through":"2026-09-13","vintage":"","retrieved_at":"2026-09-14T05:56:33Z","sha256":"8e04a902b16813cea14c8abba5e4afa9ca64901f620b0013556f10ff2ec803ba","source_id":"us-ca","stale":false,"prev":"us-ca/hsc-39632","next":"us-ca/hsc-39641"},"notice":"GroundRules: Original legal text. Not legal advice."}