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<br />CALIFORNIA LABORATORY SERVICES <br /> <br />Page 14 of 15 <br />Committed. Responsive. Flexible. <br /> <br />02/17/22 12:03 <br />Precision Enviro-Tech <br />Project: 2020807 <br />3935 N. Coronado Ave Project Number: [none] <br />CLS Work Order #: 22B0827 <br />Stockton, CA 95204 <br />Project Manager: Jonathan HV Lee COC #: <br />Semivolatile Organic Compounds by EPA Method 8270C - Quality Control <br />Analyte <br />Reporting <br />Result Limit Units <br />Spike Source <br />Level Result %REC <br />%REC <br />Limits RPD <br />RPD <br />Limit Notes <br />Batch 2201179 - LUFT-DHS GCMS <br />Matrix Spike (2201179-MS1) Source: 22B0703-02 Prepared & Analyzed: 02/15/22 <br />Surrogate: Phenol-d6 1220 pg/kg 1330 92 10-110 <br />Surrogate: Nitrobenzene-d5 1150 1330 86 23-120 <br />Surrogate: 2-F1uorobiphenyl 1130 1330 85 30-115 <br />Surrogate: 2,4,6-Tribromophenol 1210 1330 91 19-122 <br />Surrogate: Terphenyl-d14 1180 1330 88 18-137 <br />Matrix Spike Dup (2201179-MSD1) Source: 22B0703-02 Prepared & Analyzed: 02/15/22 <br />Acenaphthene 1030 330 µg/kg 1330 ND 77 31-137 6 20 <br />1,4-Dichlorobenzene 979 330 II 1330 ND 73 28-104 4 27 <br />2,4-Dinitrotoluene (2,4-DNT) 1150 330 II 1330 ND 87 28-105 3 45 <br />N-Nitrosodi-n-propylamine 1060 330 II 1330 ND 80 41-126 2 38 <br />Pyrene 828 330 1330 113 54 35-142 7 36 <br />1,2,4-Trichlorobenzene 1060 330 /I 1330 ND 80 38-107 3 23 <br />4-Chloro-3-methylphenol 1210 330 II 1330 ND 91 26-103 1 33 <br />2-Chlorophenol 1100 330 ,, 1330 ND 82 25-102 3 45 <br />4-Nitrophenol 1150 830 If 1330 ND 86 11-114 3 45 <br />Pentachlorophenol 1530 830 ,, 1330 ND 114 17-109 2 47 QM-7 <br />Phenol 1020 330 It 1330 ND 76 6-125 3 35 <br />Surrogate: 2-Fluorophenol 1140 1330 86 25-121 <br />Surrogate: Phenol-d6 1190 1330 89 10-110 <br />Surrogate: Nitrobenzene-d5 1110 1330 83 23-120 <br />Surrogate: 2-Fluorobiphenyl 1090 1330 82 30-115 <br />Surrogate: 2,4,6-Tribromophenol 1200 1330 90 19-122 <br />Surrogate: Terphenyl-d14 1110 1330 83 18-137 <br />3249 Fitzgerald Road, Rancho Cordova, CA 95742 I 800.638.7301 I Tel: 916.638.7301 x102 I Fax: 916.638.4510 I www.californialab.com <br />Small Business #2916 I ELAP #1233 I NAICS #541380 I CA SWRCB ELAP Accreditation/Registration Number 1233