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SunStar <br />Laboratories, Inc. <br />PROVIDING QUALITY ANALYTICAL SERVICES NATIONWIDE <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 %nREC RPD <br />Analyte Result MDL Limit Units Level Result %REC Limits RPD Limit Notes <br />Batch 7050136 - EPA 3550 ECD/GCMS <br />Blank (7050136-BLK1) <br />Prepared: 05/01/17 Analyzed: 05/02/17 <br />,Surrogate: Tetrachloro-meta-xylene <br />4.30 <br />ug/kg 10.1 42.6 35-140 <br />Surrogate: Decachlorohiphenyl <br />4.65 <br />10.1 46.0 35-140 <br />alpha -BHC <br />ND <br />5.0 <br />" <br />gamma -BHC (Lindane) <br />ND <br />5.0 <br />" <br />beta -BHC <br />ND <br />5.0 <br />delta -BHC <br />ND <br />5.0 <br />Heptachlor <br />ND <br />5.0 <br />" <br />Aldrin <br />ND <br />5.0 <br />" <br />Heptachlor epoxide <br />ND <br />5.0 <br />" <br />gamma -Chlordane <br />ND <br />5.0 <br />" <br />alpha -Chlordane <br />ND <br />5.0 <br />" <br />Endosulfan I <br />ND <br />5.0 <br />4,4' -DDE <br />ND <br />5.0 <br />" <br />Dieldrin <br />ND <br />5.0 <br />" <br />Endrin <br />ND <br />5.0 <br />" <br />4,4' -DDD <br />ND <br />5.0 <br />" <br />Endosulfan II <br />ND <br />5.0 <br />" <br />4,4' -DDT <br />ND <br />5.0 <br />" <br />Endrin aldehyde <br />ND <br />5.0 <br />" <br />Endosulfan sulfate <br />ND <br />5.0 <br />" <br />Methoxychlor <br />ND <br />IO <br />" <br />Endrin ketone <br />ND <br />5.0 <br />" <br />Toxaphene <br />ND <br />200 <br />" <br />LCS (7050136 -BSI) <br />Prepared: 05/01/17 Analyzed: 05/02/17 <br />Surrogate: Tetrachloro-meta-xylene <br />3.47 <br />ug/kg 10.2 34.0 35-140 S -GC <br />Surrogate: Decachlorobiphenyl <br />3.85 <br />1110.2 37.8 35-140 <br />gamma -BHC (Lindane) <br />25.1 <br />5.0 <br />" 40.8 61.6 40-120 <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 />G1,,K <br />Page 80 of 94 <br />