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Table 1. Soil Chemical Analytical Data <br /> Chevron Station #9-3232 <br /> 8660 Lower Sacramento Road <br /> Stockton, California <br /> Sample Halogenated Semivolafile <br /> Sample Sample Depth TPHg Benzene Toluene Ethylbenzene Xylenes MtBE' TPHd Organics Organics PCBs O&G Lead <br /> ID Date (feet bgs) (ppm) (ppm) (ppm) (ppm) (ppm) (ppm) (ppm) (ppm) (ppm) (ppm) (ppm) (ppm) <br /> SP-2 3/11/99 <1 .0 <0.0050 <0.0050 <0.0050 0.017 <0.050/< 0. 10 NA NA NA NA NA NA <br /> SP-3 3/11/99 <1 .0 <0.0050 <0.0050 <0.0050 0.0087 <0.050/<0. 10 NA NA NA NA NA NA <br /> SP4 3/11/99 ---- <1 .0 <0.0050 <0.0050 <0.0050 0.013 <0.0501<0. 10 3 .211 ND NA ND NA 1213 <br /> SP-5 3/11/99 --- <1 .0 <0.0050 <0.0050 <0.0050 <0.0050 <0.050/<0. 10 NA NA NA NA NA NA <br /> SP-6 3/11/99 ---- <1 .0 <0.0050 <0.0050 <0.0050 0.018 <0.050/<0. 10 NA NA NA NA NA NA <br /> SP-7 3/11/99 ---- < 1 .0 <0.0050 <0.0050 <0.0050 <0.0050 <0.050/< 0. 10 NA NA NA NA NA NA <br /> SP-8 3/11/99 ---- <1.0 <0.0050 <0.0050 <0.0050 <0.0050 <0.050/<0. 10 NA NA NA NA NA N 1 <br /> SP- 11 3/11/99 ---- <1 .0 <0.0050 <0.0050 <0.0050 <0.0050 <0.050/< 0. 10 <1 .0 NA NA NA NA Nn- <br /> SP- 12 3/11/99 - <1 .0 <0.0050 <0.0050 <0.0050 <0.0050 <0.050/< 0. 10 NA NA NA NA NA NA <br /> SP- 13 3/11/99 ---- <1 .0 <0.0050 <0.0050 <0.0050 <0.0050 <0.050/<0. 10 NA NA NA NA NA NA <br /> SP- 14 3/11/99 ---- <1 .0 <0.0050 <0.0050 <0.0050 <0.0050 <0.050/< 0. 10 NA NA NA NA NA NA <br /> Explanation: Analytical Methods: <br /> TPHg = Total Petreoleum Hydrocarbons as gasoline TPHgBTEX/MTBE: EPA Methods 5030/8015 Mod./8020 '. <br /> TPHd = Total Petroleum Hydrocarbons as diesel - TPHd: EPA Methods 3550/8015 Mod. <br /> BTEX = Benzene, toluene, ethylbenzene and xylenes O&G: Standard method 5520E&F (Gravimetric) <br /> O&G = Total Recoverable Petroleum Oil Halogenated Organics: EPA Method 8010 r <br /> MtBE = Methyl tert-butyl ether Semi-volatile Organics: EPA Method 8270 <br /> PCBs = Polychlorinated biphenyls metals: EPA Method 6000 series <br /> ppm = parts per million PCB : EPA Method 8082 <br /> feet bgs = feet below ground surface <br /> ND = none detected Analytical Analytical Laboratory <br /> NA = not analyzed Sequoia Analytical (FLAP #1894, # 1271) <br /> = not applicable - <br /> Notes: <br /> ' Laboratory report indicated gasoline and unidentified hydrocarbons C6-C12. ?' <br /> z Laboratory report indicates gasoline and unidentified hydrocarbons >C7. <br /> 3 Laboratory report indicates unidentified hydrocarbons >C12. , <br /> All analytes reported as none detected except tetrachloroethene (0. 5 ppm). 71 F <br /> ' Reported as MtBE by EPA Method 8020/EPA Method 8260 . Samples analyzed by EPA Method 8260 were also reported as none detected for ethanol, <br /> tert-butanol, di-isopropyl ether, ethyl tert-butyl ether and tert-amyl methyl ether. <br /> s Also analyzed for cadmium (<0.50 ppm), chromium (28 ppm), nickel (20 ppm) and zinc (58 ppm). <br /> Also analyzed for cadmium (<0.50 ppm), chromium (14 ppm), nickel (12 ppm) and zinc (28 ppm). <br /> $ Also analyzed for cadmium (<0.50 ppm), chromium (27 ppm), nickel (17 ppm) and zinc (50 ppm) . <br /> 346463 .02 Page 2 of 4 <br />