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LINDA S. ADAMS <br />SECRETARY FOR ENVIRONMENTAL <br />PROTECTION <br />MARGO REID BROWN <br />CHAIR <br />MBROWN@CIWMB.CA.GOV <br />(916) 341.6051 <br />WESLEY CHESBRO <br />WCHESBRO@CIWM B.CA.GOV <br />(916) 341-6039 <br />Romm MUL$ <br />RMULE@CIWMB.CA.GOV <br />(916) 341-6016 <br />CHERYL PEACE <br />CPEACE@C1WMB.CA.GOV <br />(916)341-6010 <br />GARY PETERSEN <br />GPETERS EN@CI W M B.CA.GOV <br />(916) 341-6035 <br />Biu <br />INTIGRATRO <br />VA ST <br />MANAGRMENT <br />BOARD <br />0 <br />• <br />CALIFORNIA INTEGRATED } <br />WASTE MANAGEMENT BOARD <br />10011 STREET, SACRAMENTO, CALIFORNIA 95814 • P.O. BOX 4025, SACRAMENTO, CALIFORNIA 958124025 <br />(916) 341.6000 • WWW.CIWMB.CA.GOV <br />September 25, 2008 <br />Mr. Andrew Keller, Environmental Manager <br />TLE Properties,"Inc. <br />379 Costa Mesa Street <br />Costa Mesa, California 92627 <br />ARNOLD SCHwAATENEGCER <br />GOVERNOR <br />SEP 2 6 2008 <br />SAN!;"� 01�N71, <br />ENVIRONMENTAL HEALTH DEPT. <br />RE: APPROVAL OF METHANE VENTING SYSTEM INSTALLATION WORKPLAN <br />AT COVE CONTRACTORS LANDFILL, FACILITY NO. 39 -AA -0010 <br />Dear Mr. Keller: <br />On August 18, 2008, Cove Contractors submitted to the CIWMB a proposed <br />Methane Venting System Installation Workplan as a measure to correct the <br />elevated methane gas levels on the perimeter monitoring probes of the landfill. <br />Board staff reviewed the submittal, and in a letter dated August 29, 2008, <br />provided you with comments and/or questions relative to the submitted workplan. <br />On September 23, 2008, Mr. Jeffrey D. Bennett of Miller Brooks Environmental, <br />Inc. on behalf of Cove Contractors, submitted responses to the questions and/or <br />comments that we had sent in the August 29, 2008 letter. Board staff find most of <br />the responses adequate, and therefore, approve the proposed methane venting <br />system installation at the Cove Contractors Landfill. The approval is subject to <br />the following condition: <br />The proposed one year monthly monitoring to establish the trend of the methane <br />concentration in the probes is acceptable, but only if the declining trend is <br />established within the first six months of the installation. and operation of the <br />system. If, a clear declining trend is evident after six months of installation and <br />operation of the system, the monthly monitoring can continue for additional six <br />months, and subsequently Cove Contractors may request the Enforcement Agency <br />(EA) reduce the frequency of the monitoring to quarterly. However, if after six <br />months of monitoring there is no clear trend of decline in the concentration of the <br />methane gas in the probes, the EA will require Cove Contractors to propose a <br />modified design and/or improvement to the proposed system. <br />ORIGINAL PRINTED ON 100 % "T-0DNSUMER CONTENT PROCESSED CHLORINE FREE PAPER <br />