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TABLE 5 <br /> SUMMARY OF GROUNDWATER ANALYTICAL RESULTS (PAHs) <br /> US CAN-WELTY ROAD <br /> 35275 Welty Road <br /> Vernalis, California <br /> Concentrations reported in pg/L <br /> ani71 <br /> Z ea CL s; y Z N O <br /> CC <br /> Collection <br /> Boring ID Method Date Collected pa cq pa pa pa U A w w N Z a a <br /> Groundwater Monitoring(SAIC,2009) ' <br /> MW-2 ggw 7/21/2005 3 <0.09 5 0.7 0.3 0.7 0.3 <0.05 2 0.2 0.9 5 <0.09 NA NA 1 <0.05 2 <br /> MW-3 99W 2/11/2009 <0.30 <0.20 <0.30 <0.30 <0.30 <0.30 <0.40 <0.30 0.97 <0.30 0.42 <0.30 <0.40 NA NA <0.30 0.39 1.8 <br /> MW-4 ggw 1/28/2008 <0.010 <0.010 <0.010 <0.010 <0.0050 <0.010 <0.010 <0.010 <0.010 <0.0050 <0.010 <0.010 <0.010 NA NA <0.050 <0.010 <0.010 <br /> MW-5 99W 4/30/2007 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 NA NA 0.014 <0.01 <0.01 <br /> WFSMW-1 I ggw 1 4/30/2007 <0.01 <0.01 I <0.01 <0.01 I <0.01 <0.01 I <0.01 <0.01 I <0.01 <0.01 <0.01 <0.01 <0.01 I NA NA 0.032 1 <0.01 0.019 <br /> Number of Samples: 31 31 31 31 31 31 31 31 31 31 31 31 31 4 4 31 31 31 <br /> Number of Detections: 12 5 8 10 8 8 6 1 13 5 15 19 1 3 3 20 21 15 <br /> Maximum Detect( 18 0.027 5 7.3 2.5 3.1 0.58 0.013 24 0.90 8.1 100 0.013 0.058 0.035 14 200 13 <br /> Maximum Nondetect(gg/L):l 0.30 1 7.0 0.60 0.30 0.30 0.30 0.80 1 0.60 0.2 1 0.30 1 0.1 0.30 0.80 0.0038 1 0.0038 0.60 0.1 0.2 <br /> Abbreviations: <br /> ---=Not Available <br /> EPA=United States.Environmental Protection Agency <br /> ggw=Grab groundwater <br /> ID=Identification <br /> NA=Not Analyzed <br /> ND=Non-detect. Laboratory detection limits not available. <br /> PAHs=Polynuclear aromatic hydrocarbons <br /> SAIC=SAIC Energy,Environment&Infrastructure,LLC <br /> gg/L=Micrograms per liter <br /> Notes <br /> 1. Results in bold are above laboratory detection limits. <br /> 2. Samples were collected by Gemoatrix and analyzed by Friedman and Bruya,Inc.,for PAHs using EPA Method 8270C with selecive ion monitoring. <br /> 3. Samples were collected by SAIC and analyzed by Lancaster Laboratories of Lancaster,Pennsylvania,for PAHs using EPA Method 8270 with selective ion monitoring or large volume injection. <br /> 4. The most recent groundwater monitoring data available was used for each monitoring well. <br /> Page 2 of 2 SAIC <br />