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STATE OF CALIFORNIA California Integrated Waste CIWMB 03 (Rev. 4/04) Management Board INSPECTION REPORT ADDENDUM PAGE 2 OF 4 AGENCY CONDUCTING INSPECTION: San Joaquin County Environmental Health Department SITE NUMBER: 39 -AA -0015 SITE NAME: Forward Inc. INSPECTOR: Robert McClellon RECEIVED BY INSPECTION DATE: 01/16/09 OPERATOR COMMENTS: 1. Violation T27CCR 20921 (a) 2 — Explosive Gas Control — The facility has explosive gas at the boundary above 5% by volume. The following perimeter gas wells were monitored. The following results were noted. GP 9 (S) 0.0% CH4 GP 11 (S) 13.2% CH4 GP 12 (S) 1.1% CH4 (I) 0.0% CH4 (I) 23.9% CH4 (1) 3.2% CH4 (D) 0.0% CH4 (D) 0.0% CH4 (D) 0.0% CH4 The facility operator needs to take the necessary steps to control the landfill gas at the boundary. Any changes or modifications to the gas extraction system must have prior approval from the SJVAPCD and the EHD. Review the gas system operations records to determine if the gas levels are due to a line blockage or gas well field adjustment is required. Review the Operations and Maintenance (O&M) manual to determine if all the required maintenance was conducted. Evaluate the O&M manual to determine if maintenance in adequate. 2. AC T27CCR 20921 (b) — Gas Monitoring and Control — The operator submitted a report titled "Title 27 Compliance Review, Perimeter Probe Monitoring Network, Forward Landfill' on September 16, 2008. The initial plan was reviewed by the EHD. The EHD requested more information regarding surrounding land uses and structures located near the landfill. The operator responded on December 12, 2008. The EHD reviewed the additional information submitted and conducted a field investigation regarding the actual spacing of Gas probe distances. The following was noted: • GP is 1000ft from GP25 • GP24 is 101 Oft from GP25 • GP 16 is 1008ft from GP 17 • GP3 is 998.5ft from GP4 The plan is pending final review and comment from the EHD. 3. AC T27CCR 20939 (b) (1) — Sub -surface Landfill Gas Control Systems — The facility has experienced 5 subsurface landfill fires. Four of the fires occurred in this year. The fires are all located along the toe of the slope. The latest fire occurred a long the western toe of the old Forward Inc portion of the landfill. The fire occurred along the horizontal collector. The facility operator indicated that they would place soil over the area and monitor it. The operator provided a copy of the facility response plan the pertained to sub -surface landfill fires. It is currently under review. It appears that the landfill gas system is over pulling and creating fires that erupt below the surface of the landfill. The facility shall review and evaluate the gas control system to determine what can be done to prevent further instances of sub -surface landfill fires. The review and analysis of the gas extraction system shall be completed by January 30, 2009. INSPECTOR SIGNATURE: DATE:///to /0