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la IV., <br /> I" <br /> Alpha Analytical Laboratories, Inc. email: clientservices@alpha-labs.com <br /> Corporate: 208 Mason Street I Ukiah, CA 95482 ( T. 707-468-0401 1 F: 707-468-5267 ( ELAP# 1551 <br /> Intrinsic Transportation,Inc. Project Manager: Stuart Levang <br /> 3250A Dutton Ave. Project: Wash Rack Reported: <br /> Santa Rosa,CA 95407 Project Number: Holt of Calif-Pleasant Grove 05/09/19 11:58 <br /> TPH by EPA GC Methods-Quality Control <br /> Reporting Spike Source %REC RPD <br /> Analyte(s) Result Limit Units Level Result %REC Limits RPD Limit Flag <br /> Batch AD94252-NB EPA 3550A Ultrasonic <br /> Matrix Spike(AD94252-MS1) Source: 19133205-01 Prepared:04/25/19 Analyzed:05/02/19 <br /> TPH as Diesel 207 5.0 mg/kg 227 ND 91.4 70-130 <br /> Surrogate:o-Teuphenyl 2.83 ug/kg 2.50 113 60-140 <br /> Matrix Spike Dup(AD94252-MSDI) Source: 19133205-01 Prepared:04/25/19 Analyzed:05/02/19 <br /> TPH as Diesel 218 5.0 mg/kg 227 ND 96.0 70-130 4.89 20 <br /> Surrogate:o-Teuphenyl 2.66 mg/kg 2.50 106 60-140 <br /> I <br /> i <br /> t <br /> i <br /> The results in this report apply to the samples analyzed in accordance with the chain of custody document.This analytical report nest be reproduced in its entirety. <br /> Page 8 of 12 <br />