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Excelchem Laboratories, Inc. <br />Ancon Environmental <br />Project: Stockton Diesel Spill <br />570 Business Park Dr. Project Number: 1043326 <br /> <br />Date Reported: <br />Lincoln, CA 95678 Project Manager: Nolan Ryan 08/07/20 16:16 <br />Bin Sample <br />2007150-01 (Soil) <br />Reporting Date Date <br />Analyte Result Limit Units Batch Prepared Analyzed Method Notes <br />Volatile Organic Compounds by GC/MS <br />Benzene <br />Toluene <br />Ethylbenzene <br />m,p-Xylene <br />o-Xylene <br />Xylenes, total <br />ND <br />ND <br />ND <br />ND <br />ND <br />ND <br /> <br />0.5 mg/kg A^G0200 07/26/20 07/26/20 <br />0.5 <br /> <br />0.5 I/ <br />1.0 <br />0.5 <br /> <br />1.0 /I <br />EPA 8260B R-07 <br />R-07 <br />R-07 <br />R-07 <br />R-07 <br />R-07 <br />Surrogate: Dibromofluorumethane 106 % % Recovery Limits 70-130 <br />Surrogate: Toluene-d8 102 % % Recovery Limits 70-130 <br />Surrogate: 4-Bromofluorobenzene 102 % % Recovery Limits 70-130 <br />Total Petroleum Hydrocarbons by FID <br />TPH as Diesel 6260 80.0 mg/kg A5G0213 07/27/20 07/27/20 EPA 8015Mod D-04, D-18, <br />R-07 <br />TPH as Motor Oil 4200 800 " It tf D-04, R-07 <br />Total Recoverable Metals <br />Antimony 10.6 0.5 mg/kg A500220 07/27/20 07/28/20 EPA 6010B <br />Arsenic ND 0.5 II II /I <br />Barium 1020 0.5 II ft /I <br />Beryllium ND 0.5 ,,U U ,, <br />Cadmium ND 0.5 I/U U11 <br />Chromium 21.7 0.5 I/ II II VI <br />Cobalt 46.8 0.5 II n II <br />Copper 2050 0.5 II II <br />Lead 307 0.5 ft II <br />Molybdenum 7.5 0.5 II II IF <br />Nickel 9.8 0.5 <br />Selenium ND 0.5 " <br />II It <br />Silver 0.5 0.5 ,. <br />Thallium ND 0.5 ,, ,, <br />Vanadium 12.8 0.5 " <br />0 ft II II <br />Mercury ND 0.016 I/ A^G0224 07/27/20 07/28/20 EPA 7471A <br />STLC Analysis <br />Barium 20.9 0.4 mg/L A^H0040 08/06/20 08/07/20 EPA 6010B <br />Copper ND 0.4 ,, ,, ., ,, <br />Lead 217 0.2 <br />TCLP Analysis <br />Lead 4.5 0.2 mg/L A5H0034 08/05/20 08/06/20 EPA 6010B <br />Excelchem Laboratories. Inc. The results in this report apply to the samples analyzed in accordance with the chain of <br />custody document. This analytical report must be reproduced in its entirety. <br />-1. <br />Laboratory Representative <br /> Page 2 of 18