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00n Laboratory CERTIFICATE OFANALYSIS Friday, February 24, 2017 Attention : William Little Advanced GeoEnvironmental , Inc . Report Page 4ofl6 837 Shaw Road Stockton , CA 95215 Volatile Organic Compounds by EPA Method 8260B Sample Information Sample ID: Bottom Tank Sample Type: Grab Laboratory ID: 7012617-01 Project Name: 540 N. El Dorado Street Stockton Date/Time Sampled: 264an47 10 :32 by Jonathan Le Sample Matrix: Soil Test Parameter Result DLR Unit Dilution Batch Prepared Analysis Date Method Notes 1 ,2, 3Jrichloropropane ND 2.00 ug/kg 1 AA72615 26-Jan-17 26-Jan-17 EPA 8260B 1 ,3,5-Trimethylbenzene ND 2.00 ug/kg 1 AA72615 26-Jan-17 26-Jan-17 EPA 82608 1 ,2,4-Trimethylbenzene ND 2.00 ug/kg 1 AA72615 26-Jan-17 26-Jan-17 EPA 8260B Vinyl acetate ND 20.0 ug/kg 1 AA72615 26-Jan-17 26-Jan-17 EPA 82606 Vinyl chloride ND 2.00 ug/kg 1 AA72615 26-Jan-17 26-Jan-17 EPA 82608 Methyl tert-butyl Ether (MtBE) ND 2.00 ug/kg 1 AA72615 26-Jan-17 26-Jan-17 EPA 8260B Ethyl tert-Butyl Ether (ETRE) ND 2.00 ug/kg 1 AA72615 26-Jan-17 26-Jan-17 EPA 8260B m,p-Xylene ND 2.00 ug/kg 1 AA72615 26-Jan-17 26-Jan-17 EPA 8260B tert-Amyl Methyl Ether (TAME) ND 2.00 ug/kg 1 AA72615 26-Jan-17 26-Jan-17 EPA 8260B o-Xylene ND 2.00 ug/kg 1 AA72615 26-Jan-17 26-Jan-17 EPA 8260B tert-Butyl Alcohol (TBA) ND 50.0 ug/kg 1 AA72615 26-Jan-17 26-Jan-17 EPA 8260B Diisopropyl Ether (DIPE) ND 2.00 ug/kg 1 AA72615 26-Jan-17 26-Jan-17 EPA 8260B Surrogate: 1, 2-Dichloroethane-d4 97 % 76430 Surrogate: Toluene48 107 % 86- 130 Surrogate: 4-Bromofluorobenzene 90 % 86430 I P7 ��tt �, 11 mg1L = milliggnmsper Liter = ppm DLR = Detection LindiforPtaposeofReporting. ug/L = micrograms per Liter =ppb Exceptional sample matrices or intetfereuces may result in higher defection limits. IuL 1 n ? 0 17 RESPECTFULLY SUBMITTED, /ow �� EBVVIp, ONItI � f,, t j 1T Jonathan Le, Laboratory Director 3935 N. Coronado Ave Stockton CA . 9.120.1 phone : (209) 477-8105 Fax: (209) 546- 7497