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TABLE 2 <br /> Discrete Soil Analytical Results <br /> Summary of Detected Compounds <br /> 24550 Hansen Road <br /> Tracy,California <br /> Project No.33113-013018.02 <br /> TPH(mg/kg) OCPs(mg/kg) Metals(mg/kg) <br /> Sample Sample Depth(feet bgs) Sample Date <br /> Identification <br /> TPH-d 4,4'-DDT 4,4'-DDE Chlordane alpha-chlordane gamma- Arsenic Barium Chromium Lead Mercury <br /> chlordane <br /> BV-1 1.0'-1.5' 5/30/2013 0.0024 0.0046 ND 0.0034 0.0036 ND 240 26 6.4 0.019 <br /> BV-1 7.5'-8.0' 5/30/2013 ND -- -- -- -- <br /> BV-2 1.0'-1.5' 5/30/2013 0.0036 0.015 ND 0.0044 0.0037 ND 300 29 7.6 0.023 <br /> BV-2 7.5'-8.0' 5/30/2013 ND -- -- -- -- -- -- -- -- -- -- <br /> BV-3 1.0'-1.5' 5/28/2013 -- 0.0038 0.016 0.053 0.013 0.0042 4.5 270 30 8.0 0.023 <br /> BV-3 75-8.0' 5/28/2013 1.6 <br /> BV-3 14.5'-15.0' 5/28/2013 ND <br /> BV4 115-12.0' 5/28/2013 ND <br /> BV4 21.5'-22.0' 5/28/2013 ND <br /> BV-5 1.0'-1.5' 5/29/2013 0.0037 0.019 0.088 0.011 0.0096 4.6 300 27 8.2 0.024 <br /> BV-5 75-8.0' 5/29/2013 ND -- <br /> BV-6 3.5'-4.0' 5/29/2013 ND <br /> BV-6 15.5'-16.0' 5/29/2013 ND <br /> BV-7 3.5'-4.0' 5/29/2013 ND <br /> BV-7 15.5'-16.0' 5/29/2013 ND <br /> BV-8 3.5'-4.0' 5/29/2013 ND <br /> BV-8 11.5'-12.0' 5/29/2013 ND <br /> BV-10 7.5'-8.0' 5/30/2013 1.3 <br /> BV-11 7.5'-8.0' 6/3/2013 ND <br /> BV-12 7.5'-8.0' 6/3/2013 ND <br /> BV-13 115-2.0' 5/31/2013 ND ND ND ND ND ND 260 28 7.0 0.030 <br /> BV-13 7.5'-8.0' 5/31/2013 ND -- I - -- -- -- -- -- -- <br /> BV-14 115-2.0' 5/31/2013 -- I ND ND ND ND ND 5.0 350 42 11 0.018 <br /> BV-14 75-8.0' 5/31/2013 ND I -- -- -- -- -- -- -- -- <br /> RWQCB ESL Residential 83 1.7 1.7 0.44 0.44 0.44 0.039 750 750 80 6.7 <br /> DTSC CHHSL Residential 1.6 1.6 0.43 0.43 0.43 0.07 5,200 100,000 80 18 <br /> Notes: <br /> Results reported in milligrams per kilogram(mg/Kg) <br /> All samples tested using EPA Method 8260B,BTEX/MTBE were under the detection limits <br /> All TPH-mo and TPH-g analyzed by EPA Method 8015B and 82608,respectively,were under the reporting limits(Practical Quantitation Limit) <br /> All BTEX/MTBE analyzed by EPA Method 8260B were under the reporting limits <br /> All other OCPs analyzed by EPA Method 8081 A were under the reporting limits <br /> All other metals analyzed by EPA Methods 60106/7471A were under the reporting limits <br /> ND=not detected above analytical laboratory reporting limit(Practical Quantitation Limit) <br /> --=Not Analyzed;ESL and/or CHHSL Not Established <br /> RWQCB ESL=Regional Water Quality Control Board Environmental Screening Level for Residential land use(RWQCB,Tables A and C,February 2013). <br /> DTSC CHHSL-Residential values from Table 1 of the California Human Health Screening Levels(CHHSLs)California Environmental <br /> Protection Agency,Use of CHHSLs in Evaluation of Contaminated Properties--January 2005(updated October 2010). <br /> TPH=total petroleum hydrocarbons(as diesel,TPH-d;motor oil,TPH-mo;gasoline,TPH-g) <br /> BTEX=benzene,toluene,ethylbenzene and total xylenes <br /> OCPs=Organochlorine Pesticides <br /> Bolded detections denote concentrations above ESL and/or CHHSL <br />