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CALIFORNIA LABORATORY SERVICES <br /> Page 17 of 19 02/14/13 16:20 <br /> Tetra Tech Geo Project: VOP-TRACY <br /> 2969 Prospect Park Drive,Suite 100 Project Number: 117-7059009 CLS Work Order#:CWB0366 <br /> Rancho Cordova,CA 95670 Project Manager: Tim Costello COC#: <br /> Semivolatile Organic Compounds by EPA Method 8270C - Quality Control <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> Batch CW00943-LUFT-DHS GCMS <br /> LCS Dup(CW00943-BSD1) Prepared&Analyzed:02/13/13 <br /> Acenaphthene 1240 330 gg/kg 1670 75 31-137 3 20 <br /> 1,4-Dichlorobenzene 1350 330 1670 81 19-116 3 27 <br /> 2,4-Dinitrotoluene(2,4-DNT) 1580 330 1670 95 28-109 0.4 45 <br /> N-Nitrosodi-n-propylamine 1430 330 1670 86 41-126 4 38 <br /> Pyrene 1200 330 1670 72 35-142 11 36 <br /> 1,2,4-Trichlorobenzene 1480 330 1670 89 38-117 3 23 <br /> 4-Chloro-3-methylphenol 2520 330 2500 101 26-122 4 33 <br /> 2-Chlorophenol 2010 330 2500 80 25-132 2 45 <br /> 4-Nitrophenol 2220 830 2500 89 11-124 5 45 <br /> Pentachlorophenol 2950 830 2500 118 17-119 5 47 <br /> Phenol 2000 330 2500 80 6-125 2 35 <br /> Surrogate:2-Fluorophenol 2000 2500 80 25-121 <br /> Surrogate:Phenol-d6 2010 2500 80 10-110 <br /> Surrogate:Nitrobenzene-d5 1480 1670 89 23-120 <br /> Surrogate:2-Fluorobiphenyl 1450 1670 87 30-115 <br /> Surrogate:2,4,6-Tribromophenol 3040 2500 122 19-122 <br /> Surrogate:Terphenyl-&4 1870 1670 112 18-137 <br /> Matrix Spike(CW00943-MS1) Source:CWB0366-01 Prepared&Analyzed:02/13/13 <br /> Acenaphthene 1230 330 gg/kg 1670 ND 74 31-137 <br /> 1,4-Dichlorobenzene 1270 330 1670 ND 76 28-104 <br /> 2,4-Dinitrotoluene(2,4-DNT) 1580 330 1670 ND 95 28-105 <br /> N-Nitrosodi-n-propylamine 1380 330 1670 ND 83 41-126 <br /> Pyrene 1090 330 1670 ND 66 35-142 <br /> 1,2,4-Trichlorobenzene 1400 330 1670 ND 84 38-107 <br /> 4-Chloro-3-methylphenol 2460 330 2500 ND 99 26-103 <br /> 2-Chlorophenol 1930 330 2500 ND 77 25-102 <br /> 4-Nitrophenol 2430 830 2500 ND 97 11-114 <br /> Pentachlorophenol 2210 830 2500 ND 89 17-109 <br /> Phenol 1930 330 2500 ND 77 6-125 <br /> Surrogate:2-Fluorophenol 1880 2500 75 25-121 <br /> CA DOHS ELAP Accreditation/Registration Number 1233 <br /> 3249 Fitzgerald Road Rancho Cordova,CA 95742 www.californialab.com 916-638-7301 Fax: 916-638-4510 <br />