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-TATE OF CALIFORNIA ` <br />California Integrated Waste <br />CIWMB 3 (Rev. 4/04) Management Board <br />INSPECTION REPORT ADDENDUM PAGE 2 OF 2 <br />AGENCY CONDUCTING INSPECTION: San Joaquin County Environmental Health Department <br />SITE NUMBER: 39 -AA -0004 <br />SITE NAME: <br />INSPECTION DATE <br />COMMENTS: <br />Foothill Landfill <br />May 22, 2007 <br />A routine inspection was done on this day. <br />INSPECTOR: Garrett Backus <br />RECEIVED BY <br />OPERATOR <br />1) Violation — T27 CCR 20919.5 — Explosive Gas Control -7.4% methane was found in perimeter soil gas <br />probe SG -4, which exceeds the lower explosive limit of 5%. This is a repeat violation from the last two <br />months; 8.6% and 14.0% methane was found on March 23 and April 20, respectively. <br />The facility submitted a remediation plan to the Environmental Health Dept. on May 30 which describes the <br />proposed installation of a landfill gas collection well. This well will be added to the existing landfill gas <br />collection system. <br />2) Note - Reviewed the daily load check records. Records were complete and up-to-date. <br />3) Note - Reviewed the tonnage and traffic records through May 11, 2007. Records were within the permit <br />limits. <br />4) Note — Measured several perimeter soil gas probes for methane concentration: SG -3, SG -5 and SG -7 <br />contained 0%; SG -4 contained 7.4%. <br />INSPECTOR SIGNATURE: Y/ DATE: <br />