Section 20933 - CIWMB - Monitoring Frequency (California Code of Regulations)

§ 20933. CIWMB - Monitoring Frequency

(a) At a minimum, quarterly monitoring is required.

(1) The EA may require more frequent monitoring based upon site specific factors, including those noted in § 20923(a)(2), or as needed to protect public health or safety or the environment.

(2) More frequent monitoring may also be required at those locations where results of monitoring indicate that landfill gas migration is occurring or is accumulating in structures.

(3) The operator shall increase the monitoring frequency, as is necessary, to detect migrating gas and ensure compliance with § 20921.

(b) For those MSWLF's that are permitted to accept for disposal 20 tons or less of municipal solid waste per day based on an annual average, the EA, with concurrence by the CIWMB, may reduce the frequencies for monitoring landfill gas after consideration of the unique characteristics of the MSWLF and its surroundings, climatic and hydrogeologic conditions, and protection of public health and safety and the environment. Any proposal by an operator for a reduced monitoring frequency shall be made available by the EA for public review for a minimum of 30 days to allow interested persons the opportunity to comment. The operator shall place in the operating record of the MSWLF documentation of the considerations, public comment, and EA approval and CIWMB concurrence for any alternative frequency. No reduced monitoring frequency shall be approved unless the EA and the CIWMB determine that the alternative monitoring schedule adequately protects the public health and safety and the environment. The Executive Director or the EA may condition, limit, suspend, or terminate an operator's use of an alternative monitoring frequency if s/he or it determines that the alternative frequency may cause harm to public health and safety or the the environment.

(1. New section filed 6-18-97; operative 7-18-97 (Register 97, No. 25). 2. Amendment of section heading, section and Note filed 8-21-2007; operative 9-20-2007 (Register 2007, No. 34).)

Note: Authority cited: Sections 40502 and 45020, Public Resources Code. Reference: Sections 43021 and 43103, Public Resources Code; and Title 40, Code of Federal Regulations, Section258.23.

Disclaimer: Lawrina has made every attempt to ensure the information on this page is accurate, but we cannot guarantee that Section 20933 CIWMB - Monitoring Frequency is a replica of the current official text. Please use the external links to official resources for the latest version.

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