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AA13POSITIVE 781 East Washington Blvd., Los Angeles, CA 90021 <br /> LAB SERVICE (213) 745-5312 FAX (213J 745-6372 <br /> Certificate of Analysis Page 17 of 21 <br /> File#:73101 <br /> Smith Emery Company GeoService[SF] Report Date: 04/18/19 <br /> I' 1940 Oakdale Avenue Submitted: 04/11/19 <br /> San Francisco, CA 94124 PLS Report No.: 1904116 <br /> Attn: Mr. Patrick Morrison Phone: (800) 675-8886 FAX:(415) 642-7055 <br /> Project: Seton Pacific RWC-MUUD-PHASE 1/71519-3 <br /> Quality Control Data <br /> Spike <br /> source, °l0REC RPD <br /> Analyte Result: PQL Units Level Result °IoREC -Limits RPD° Limit Qualifier. <br /> Batch BD91811-EPA3550C <br /> Surrogate:Decachlorobiphenyl 0.00989 mg/kg 0.01250 79.2 49-133 <br /> LCS Prepared:04/15/19 Analyzed:04/17/19 <br /> Aldrin 0.00685 0.00200 mg/kg 0.01000 68.5 56-130 <br /> gamma-BHC(Lindane) 0.00604 0.00200 mg/kg 0.01000 60.4 56-133 <br /> 4,4"-DDT 0.00745 0.00400 mg/kg 0.01000 74.5 56-133 <br /> Dieldrin 0.00764 0.00200 mg/kg 0.01000 76.4 62-119 <br /> Endrin 0.00768 0.00200 mg/kg 0.01000 76.8 59-127 <br /> Heptachlor 0.00669 0.00200 mg/kg 0.01000 66.9 55-110 <br /> Surrogate:2,4,5,6 Tetrachloro-m xylene 0.0101 mg/kg 0.01250 81.0 54-108 <br /> Surrogate:Decachlorobiphenyl 0.0102 mg/kg 0.01250 81.6 54-127 <br /> Matrix Spike Source:1904115-01 Prepared:04/15/19 Analyzed:04/17/19 <br /> Aldrin 0.00767 0.00200 mg/kg 0.01000 No 76.7 39-124 <br /> gamma-BHC(Lindane) 0.00409 0.00200 mg/kg 0.01000 No 40.9 44-120 <br /> 4,4"-DDT 0.0185 0.00400 mg/kg 0.02500 No 74.0 48-150 <br /> Dieldrin 0.0182 0.00200 mg/kg 0.02500 No 72.8 48-144 <br /> Endrin 0.0214 0.00200 mg/kg 0.02500 No 85.7 54-149 <br /> Heptachlor 0.00667 0.00200 mg/kg 0.01000 ND 66.7 46-135 <br /> Surrogate:2,4,5,6 Tetrachloro-mxylene 0.00900 mg/kg 0.01250 72.0 55-126 <br /> Surrogate:Decachlorobiphenyl 0.00916 mg/kg 0.01250 73.3 49-133 <br /> Matrix Spike Dup Source:1904115-01 Prepared:04/15/19 Analyzed:04/18/19 <br /> Aldrin 0.00798 0.00200 mg/kg 0.01000 ND 79.8 39-124 3.92 30 <br /> gamma-BHC(Lindane) 0.00418 0.00200 mg/kg 0.01000 ND 41.8 44-120 2.15 30 <br /> 4,4'-D 0.0182 0.00400 mg/kg 0.02500 ND 72.9 48-150 1.49 30 <br /> Dieldrin 0.0180 0.00200 mg/kg 0.02500 No 72.0 48-144 1.11 30 <br /> Endrin 0.0210 0.00200 mg/kg 0.02500 ND 84.0 54-149 1.95 30 <br /> Heptachlor 0.00688 0.00200 mg/kg 0.01000 ND 68.8 46-135 2.98 30 <br /> Surrogate:2,4,5,6 Tetrachloro-mxylene 0.00916 mg/kg 0.01250 73.3 55-126 <br /> Surrogate:Decachlorobiphenyl 0.00964 mg/kg 0.01250 77.1 49-133 <br /> ea"BD91622 EPA 35500 <br /> Blank Prepared&Analyzed.04/15/19 <br /> Arocior-1016 No 0.0500 mg/kg <br /> Arocior-1221 ND 0.0500 mg/kg <br /> Arocior-1232 ND 0.0500 mg/kg <br /> Aroclor-1242 ND 0.0500 mg/kg <br /> Aroclor-1248 ND 0.0500 mg/kg <br /> Aroclor-1254 ND 0.0500 mg/kg <br /> Aroclor-1260 ND 0.0500 mg/kg <br /> Surrogate:2,4,5,6 Tetrachloro-m xylene 0.0116 mg/kg 0.01250 93.0 54-131 <br />