Section 6448.4 - Annual 1,3-Dichloropropene Report(a) The Director shall issue an annual 1,3-Dichloropropene report for each calendar year by October 1 of the following year or as soon thereafter as is reasonably practicable, starting with a report covering calendar year 2024.(b) The Annual 1,3-Dichloropropene Report must include the following: (1) A list of the townships and monitoring locations that meet any of the following criteria for the previous calendar year.(A) The township with the highest use of 1,3-Dichloropropene for each of ten counties with the highest use of 1,3-Dichloropropene. If a township is located in more than one county, the township will represent all the counties and the highest township from the next highest county will be listed (e.g., township from the eleventh highest county). Ten townships will be listed, but they may represent more than ten counties. If the ten townships include adjacent townships in different counties only the township with higher use will be listed, and the highest township in the next highest county will be listed.(B) Monitoring locations with an average air concentration of more than 0.27 parts per billion (ppb) in the previous calendar year.(C) Monitoring locations with an air concentration of more than 55 ppb for a 24-hour period in the previous calendar year.(2) An evaluation of the townships and monitoring locations listed in subsection (b)(1) determining the major factors affecting use levels and air concentrations. For each of the ten specified townships, the evaluation will include estimated 1,3-Dichloropropene air concentrations for the highest 24-hour period, the highest 72-hour period, and the one-year average based on the reported use, available emissions data, and local weather conditions. For each 1,3-D air monitoring location with air concentrations more than 0.27 ppb as a one-year average or 55 ppb for a 24-hour period, the evaluation will include an assessment of the validity and representativeness of the monitoring data, analysis of reported use, available emissions data, and local weather conditions to determine if the detected air concentrations are within the expected range. If any of the estimated or monitored air concentrations are higher than expected in comparison to previous data, the report will include a description of action(s) the Department will take to address the high levels and a timeline for taking the actions.(c) A draft report shall be made available to the public for comment. A 45-day public comment period will be provided to allow for submission of written statements or arguments to the Director for review before finalizing the Annual 1,3-Dichloropropene Report. The report will be posted on the Department's Web site.Cal. Code Regs. Tit. 3, § 6448.4
Note: Authority cited: Sections 11456, 12976, 14005 and 14024, Food and Agricultural Code. Reference: Sections 11501, 14006 and 14024, Food and Agricultural Code.
1. New section filed 12-22-2023; operative 1/1/2024 pursuant to Government Code section 11343.4(b)(3) (Register 2023, No. 51).