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0D!3Fn :1WtMRaboratory <br /> CERTIFICATE OFANALYSIS <br /> Friday, February 24, 2017 <br /> Attention: William Little <br /> Advanced GeoEnvironmental , Inc . Report Page 9gf16 <br /> 837 Shaw Road <br /> Stockton , CA 95215 <br /> Volatile Organic Compounds by EPA Method 82606 <br /> Sample Information <br /> Sample Me Stock Pile Sample Type: Grab <br /> Laboratory We 7012617-02 Project Name: 540 N. El Dorado Street Stockton <br /> Date/Time Sampled: 26-Jan- 17 10 :40 by Jonathan Le Sample Matrix: Soil <br /> Test Parameter Result DLR Unit Dilution Batch Prepared Analysis Date Alethod Notes <br /> 1 ,2,3-Trichloropropane ND 2.00 ug/kg 1 AA72615 26-Jan-17 26-Jan-17 EPA 8260B <br /> 1 ,3,5-Trimethylbenzene ND 2.00 ug/kg 1 AA72615 26-Jan-17 26-Jan-17 EPA8260B <br /> 1 ,2,4-Trimethylbenzene ND 2.00 ug/kg 1 AA72615 26-Jan-17 26-Jan-17 EPA 8260B <br /> Vinyl acetate ND 20.0 ug/kg 1 AA72615 26-Jan-17 26-Jan-17 EPA 8260B <br /> Vinyl chloride ND 2.00 ug/kg 1 AA72615 26-Jan-17 26-Jan-17 EPA 8260B <br /> Methyl tert-butyl Ether (MtBE) ND 2.00 ug/kg 1 AA72615 26-Jan-17 26-Jan-17 EPA 8260B <br /> m, p-Xylene ND 2.00 ug/kg 1 AA72615 26-Jan-17 26-Jan-17 EPA 8260B <br /> Ethyl tert-Butyl Ether (ETBE) ND 2.00 ug/kg 1 AA72615 26-Jan-17 26-Jan-17 EPA 8260B <br /> o-Xylene ND 2.00 ug/kg 1 AA72615 26-Jan-17 264an-17 EPA 8260B <br /> tert-Amyl Methyl Ether (TAME) ND 2.00 ug/kg 1 AA72615 26-Jan-17 26-Jan-17 EPA 8260B <br /> tert-ButylAlcohol (TBA) ND 50.0 ug/kg 1 AA72615 26-Jan-17 26-JanA7 EPA 8260B <br /> Diisopropyl Ether (DIPE) ND 2.00 ug/kg 1 AA72615 26-Jan-17 26-Jan-17 EPA 8260B <br /> Surrogate: 1, 2-Dichloroethane-d4 107 % 78430 <br /> Surrogate: Toluene48 106 % 88430 <br /> Surrogate: 4-Bromofluorobenzene 88 % 86-130 <br /> tel! r41 <br /> � z lP <br /> mg/L = miaigrams per Liter = ppm DLR = Detection Limi{(or Propose of Reporting. <br /> ug/L = mictogrmns per Liter = ppb Exceptional sample matrices or interferences may <br /> result in higher detection Rntils. ENVIIiONMEWTA1 I� L:r� i Iyd ^I <br /> RESPECTFULLYSUBMITMD, Mi <br /> PA Tt l� <br /> J 10L�r <br /> Jonathan Le, Laboratory Director <br /> 3935 N. Coronado Ave Stockton CA . 95204 vhone : (209) 4774105 Fax: (209) 546- 7.197 <br />