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1. INTRODUCTION <br /> Allied Waste Industries, Inc. (AWII) operates the Forward Landfill in Manteca, <br /> California. AWII has contracted Shaw Environmental, Inc. (Shaw) to conduct semi- <br /> annual sampling of asbestos concentrations at the Forward Landfill as required by <br /> Forward Landfill Solid Waste Facility Permit 39-AA-0015. The purpose of the sampling <br /> was to get an estimate of the site-specific asbestos concentrations and to establish a <br /> baseline concentration for future operations. The Air Monitoring Plan is included in <br /> Appendix A. <br /> Four representative sampling locations near the asbestos operations area were identified <br /> assuming that the sample pool would demonstrate worst case scenario concentrations. <br /> Three sampling stations were located predominantly downwind and approximately 95 to <br /> 110 feet from the asbestos area with a fourth station co-located with one of the downwind <br /> stations. A fifth sampler was located predominantly upwind and approximately 90 feet <br /> from the asbestos area. Air samples were collected simultaneously from each location <br /> over an eight-hour period during normal working hours and normal operating conditions. <br /> All sampling locations and the asbestos operations area are illustrated in Figures 1 and 2. <br /> 1 <br />