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1.0 introduction <br /> Allied Waste Industries, Inc. (AWII) operates the Forward Landfill in Manteca, California. <br /> AWII has contracted Shaw Environmental, Inc. (Shaw)to conduct semi-annual sampling of <br /> asbestos concentrations at the Forward Landfill as required by Forward Landfill Solid Waste <br /> Facility Permit 39-AA-0015. This report represents the second of two semiannual monitoring <br /> events for 2008. <br /> Representative sampling locations near the asbestos operations area were identified assuming <br /> that the sample pool would demonstrate worst case scenario concentrations. Four sampling <br /> stations, one of which one has a duplicate sample, were located predominantly downwind and <br /> approximately 95 to 110 feet from the asbestos area with a fourth station co-located with one of <br /> the downwind stations. A fifth sampler was located predominantly upwind and approximately <br /> 90 feet from the asbestos area. Sampling was performed during normal weather and operating <br /> conditions. The upwind and downwind locations were chosen based on current wind patterns. <br /> The wind direction historically over test period has been north northwest. Air samples were <br /> collected simultaneously from each location over an eight-hour period during normal working <br /> hours and normal operating conditions. <br /> All sampling locations and the asbestos operations area are illustrated in Figures 3-1 and 3-2. <br /> -Shaw Environmental,Inc. 1-1 <br />