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SunStar 25712 Commercentre Drive <br /> Laboratories, Inc. Lake Forest,California 92630 <br /> PROVIDING QUAuTY ANALYTICAL SERVICES NATIDNWine 949.297.5020 Phone <br /> 949.297.5027 Fax <br /> Brusca Associates Inc. Project: Anderson Barn Grover Ranch <br /> PO Box 332 Project Number: 260-004 Reported: <br /> Roseville CA,95661 Project Manager: Joe Brusca 07/10/23 10:36 <br /> Extractable Petroleum Hydrocarbons by 8015B-Quality Control <br /> SunStar Laboratories,Inc. <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> Batch 23EO316-EPA 3550B GC <br /> Blank(23E0316-BLK1) Prepared&Analyzed:05/19/23 <br /> C6-C12(GRO) ND 10 mg/kg <br /> C13-C28(DRO) ND 10 <br /> C29-C40(MORO) ND 10 <br /> Surrogate:p-Terphenyl 95.9 100 95.9 65-135 <br /> LCS(23E0316-BS1) Prepared&Analyzed:05/19/23 <br /> C13-C28(DRO) 430 10 mg/kg 500 86.6 75-125 <br /> Surrogate:p-Terphenyl 81.8 100 81.8 65-135 <br /> LCS Dup(23E0316-BSD1) Prepared&Analyzed:05/19/23 <br /> C13-C28(DRO) 480 10 mg/kg 500 95.8 75-125 10.0 20 <br /> Surrogate:p-Terphenyl 95.5 100 95.5 65-135 <br /> Batch 23EO360-EPA 3550B GC <br /> Blank(23E0360-BLK1) Prepared:05/19/23 Analyzed:05/20/23 <br /> C6-C12(GRO) ND 10 mg/kg <br /> C13-C28(DRO) ND 10 <br /> C29-C40(MORO) ND 10 <br /> Surrogate:p-Terphenyl 98.6 100 98.6 65-135 <br /> LCS(23E0360-BS1) Prepared:05/19/23 Analyzed:05/20/23 <br /> C13-C28(DRO) 470 10 mg/kg 500 94.2 75-125 <br /> Surrogate.p-Terphenyl 101 100 101 65-135 <br /> LCS Dup(23E0360-BSD1) Prepared:05/19/23 Analyzed:05/20/23 <br /> C13-C28(DRO) 500 10 mg/kg 500 100 75-125 6.05 20 <br /> Surrogate:p-Terphenyl 104 11100 104 65-135 <br /> SunStar 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 /> Rebecca Traficanto,Project Manager Page 113 of 124 <br />