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U <br />SunStar <br />Laboratories, Inc. <br />PROVIDING QUALITY ANALYTICAL SERVICES NATIONWIDE <br />• <br />25712 Commercentre Drive <br />Lake Forest, California 92630 <br />949.297.5020 Phone <br />949.297.5027 Fax <br />Brusca Associates Inc. Project: Lathrop 48 Acre Property <br />PO Box 332 Project Number: 137-002 Reported: <br />Roseville CA, 95661 Project Manager: Joe Brusca 05/16/17 12:00 <br />Organochlorine Pesticides by EPA Method 8081A - Quality Control <br />SunStar Laboratories, Inc. <br />Reporting Spike Source %REC RPD <br />inalyte Result MDL Limit Units Level Result %REC Limits RPD Limit Notes <br />Batch 7050136 - EPA 3550 ECD/GCMS <br />Source: T171074-09 <br />LCS(7050136-BS1) <br />Prepared: 05/01/17 Analyzed: 05/02/17 <br />Heptachlor <br />27.1 <br />5.0 ug/kg <br />40.8 66.4 40-120 <br />Aldrin <br />21.5 <br />5.0 <br />40.8 52.6 40-120 <br />Dieldrin <br />30.3 <br />5.0 <br />40.8 74.3 40-120 <br />Endrin <br />30.7 <br />5.0 <br />40.8 75.1 40-120 <br />4,4' -DDT <br />32.2 <br />5.0 <br />40.8 78.8 33-147 <br />Matrix Spike (7050136-MS1) <br />Source: T171074-09 <br />Prepared: 05/01/17 Analyzed: 05/02/17 <br />Surrogate: Tetrachloro-meta-xylene <br />3.50 <br />ugikg <br />10.1 34.6 <br />35-140 <br />S -GC <br />Surrogate: Decachlorobiphenyl <br />3.61 <br />10.1 35.7 <br />35-140 <br />gamma -BHC (Lindane) <br />24.1 <br />5.0 <br />40.4 ND 59.6 <br />30-120 <br />Heptachlor <br />26.4 <br />5.0 <br />40.4 ND 65.4 <br />30-120 <br />Aldrin <br />22.1 <br />5.0 <br />40.4 ND 54.6 <br />30-120 <br />Dieldrin <br />29.4 <br />5.0 <br />40.4 ND 72.8 <br />30-120 <br />Endrin <br />30.2 <br />5.0 <br />40.4 ND 74.7 <br />30-120 <br />4,4' -DDT <br />32.7 <br />5.0 <br />40.4 ND 81.0 <br />30-120 <br />Matrix Spike Dup (7050136-MSDI) <br />Source: T171074-09 <br />Prepared: 05/01/17 Analyzed: 05/02/17 <br />Surrogate: Tetrachloro-meta-xylene <br />3.38 <br />ug/kg <br />10.0 33.8 <br />35-140 <br />S-04 <br />Surrogate: Decachlorobiphenyl <br />3.45 <br />10.0 34.5 <br />35-140 <br />S-04 <br />gamma -BHC (Lindane) <br />24.3 <br />5.0 <br />40.0 ND 60.8 <br />30-120 <br />2.10 <br />30 <br />Heptachlor <br />25.6 <br />5.0 <br />40.0 ND 64.1 <br />30-120 <br />2.09 <br />30 <br />Aldrin <br />22.0 <br />5.0 <br />40.0 ND 55.1 <br />30-120 <br />0.896 <br />30 <br />Dieldrin <br />28.5 <br />5.0 <br />40.0 ND 71.1 <br />30-120 <br />2.24 <br />30 <br />Endrin <br />29.1 <br />5.0 <br />40.0 ND 72.8 <br />30-120 <br />2.58 <br />30 <br />4,4' -DDT <br />32.8 <br />5.0 <br />40.0 ND 82.0 <br />30-120 <br />1.25 <br />30 <br />Batch 7050207 - EPA 3550 ECD/GCMS <br />Blank (7050207-BLK1) <br />Prepared & Analyzed: 05/02/17 <br />Surrogate: Tetrachloro-meta-xylene <br />ND <br />119/1 <br />1.00 34.6 <br />35-140 <br />S -GC <br />SunStar Laboratories, Inc. <br />M <br />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 />Page 81 of 94 <br />