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CALIFORNIA LABORATORY SERVICES <br /> Page 4 of 5 02/23 /17 14:42 <br /> Precision Enviro-Tech Project: 7012617 <br /> 3935 N. Coronado Ave Project Number: [none] CLS work Order #: 17130779 <br /> Stockton, CA 95204 Project Manager: Jonathan Le COC # : <br /> Extractable Petroleum Hydrocarbons by EPA Method 8015M - Quality Control <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> Batch 1701224 - EPA method 3545 <br /> Blank ( 1701224-131LI{I) Prepared & Analyzed: 02/ 16/ 17 <br /> Diesel ND 1 .0 mg/kg <br /> Motor Oil ND LO " <br /> Mineral Oil ND LO " <br /> Surrogale: o- Tetphenyl 0. 494 0.500 99 65-135 <br /> LCS (1701224-BSI) Prepared & Analyzed: 02/ 16/ 17 <br /> Diesel 50.4 1 .0 mg/kg 50.0 101 65- 135 <br /> Surrogate: o- Teiphenyl 0. 493 0. 500 99 65-135 <br /> LCS Dup ( 1701224-13SD1) Prepared & Analyzed: 02/ 16/17 <br /> Diesel 52. 8 1 .0 mg/kg 50.0 106 65- 135 5 30 <br /> Surrogale: o- Teipheyl 0. 469 of 0. 500 94 65-135 <br /> Matrix Spike (1701224-MSI) Source: 17130670-01 Prepared & Analyzed: 02/ 16/ 17 <br /> Diesel 46.6 1 .0 mg/kg 50.0 NO 93 59- 138 <br /> Surrogate: o-Teiphenyl 0. 416 if 0.500 83 65-135 <br /> Matrix Spike Dup (1701224-MSD1 ) Source: 17130670-01 Prepared & Analyzed : 02/ 16/ 17 <br /> Diesel 47.4 1 .0 mg/kg 50.0 ND 95 59438 2 37 <br />`[ Surrogale: o-Teiphenyl 0. 407 0.500 81 65-135 <br /> i <br /> F <br /> CA DOHS ELAP Accreditation/Registration Number 1233 <br /> 3249 Fitzgerald Road Rancho Cordova, CA 95742 www. californialab.com 916-6384301 Fax : 916-6384510 <br /> I' <br /> I` <br />