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Proposal for Limited Site Investigation Irerracon <br /> Accurate Air Engineering, Inc. W Lodi, California <br /> August 18, 2011 n Terracon Proposal No. 60110154 <br /> on-site disposal of clean material is $95/drum; (iii) transportation and disposal of non-hazardous <br /> materials is approximately $150/drum; and transportation and disposal of hazardous materials is <br /> approximately $350/drum. <br /> Sampling Program <br /> Terracon's soil and groundwater sampling program will consist of the following: <br /> * Collection of one soil sample from each of the six soil borings from the zone <br /> exhibiting the highest PID readings. If, based on these observations, no elevated <br /> PID reading is observed, the sample will be collected from the capillary fringe <br /> zone, from the interval exhibiting a change in lithology, from the bottom of the <br /> boring, or from the interval of most likely environmental impact as determined in <br /> the field by the sampling professional; and <br /> Collection of one soil vapor sample from each of the three soil borings. <br /> The soil and groundwater samples will be collected and placed in laboratory prepared <br /> containers, labeled, and placed on ice in a cooler which will be secured with a custody seal. <br /> The samples and completed chain-of-custody forms will be transported to the selected <br /> analytical laboratory for normal turnaround. <br /> Laboratory Analytical Program <br /> The laboratory analytical program is summarized below: <br /> Sample Type Analysis No. of <br /> Samples Laboratory Method <br /> TPH DRO and TPH ORO 3 EPA Method 8015M <br /> VOCs and TPH GRO 3 EPA Method 8260B <br /> Soil <br /> CAM 17 metals 3 EPA Method 6010B <br /> PAHs 1 EPA Method 8081 <br /> Soil Gas VOCs 3 EPA Method TO-15 <br /> 4 <br /> Reliable ■ Responsive a Resourceful <br />