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4J.Laboratories Inc. <br /> Environmental Testing Laboratory Since 1949 <br /> Geologic Associates Reported: 06/28/2017 16:04 <br /> 11415 W.Bemardo Ct,Ste 220 Project: Forward LF Domestic Well Sampling <br /> San Diego,CA 92127 Project Number: S017.1030 <br /> Project Manager: Bill Lopez <br /> Volatile Organic Analysis (EPA Method 826013) <br /> Quality Control Report - Precision & Accuracy <br /> Control Limits <br /> Source Source Spike Percent Percent Lab <br /> Constituent Type Sample ID Result Result Added Units RPD Recovery RPD Recovery Quals <br /> QC Batch ID: B[F2272 Used client sample: N <br /> Benzene MS 1717280-01 ND 25.780 25.000 ug/L 103 70-130 <br /> MSD 1717280-01 ND 25.200 25.000 ug/L 2.3 101 20 70-130 <br /> Bromodichloromethane MS 1717280-01 ND 29.240 25.000 ug/L 117 70-130 <br /> MSD 1717280-01 ND 27.990 25.000 ug/L 4.4 112 20 70-130 <br /> Chlorobenzene MS 1717280-01 ND 26.020 25.000 ug/L 104 70-130 <br /> MSD 1717280-01 ND 24.060 25.000 ug/L 7.8 96.2 20 70-130 <br /> Chloroethane MS 1717280-01 ND 26.140 25.000 ug/L 105 70-130 <br /> MSD 1717280-01 ND 25.390 25.000 ug/L 2.9 102 20 70-130 <br /> 1,4-Dichlorobenzene MS 1717280-01 ND 26.440 25.000 ug/L 106 70-130 <br /> MSD 1717280-01 ND 23.790 25.000 ug/L 10.6 95.2 20 70-130 <br /> 1,1-Dichloroethane MS 1717280-01 ND 27.400 25.000 ug/L 110 70-130 <br /> AlIft MSD 1717280-01 ND 26.260 25.000 ug/L 4.2 105 20 70-130 <br /> Wil 1-Dichloroethene MS 1717280-01 ND 28.640 25.000 ug/L 115 70-130 <br /> MSD 1717280-01 ND 27.600 25.000 ug/L 3.7 110 20 70-130 <br /> Toluene MS 1717280-01 ND 26.410 25.000 ug/L 106 70-130 <br /> MSD 1717280-01 ND 25.450 25.000 ug/L 3.7 102 20 70-130 <br /> Trichloroethene MS 1717280-01 ND 25.660 25.000 ug/L 103 70-130 <br /> MSD 1717280-01 ND 25.060 25.000 ug/L 2.4 100 20 70-130 <br /> 1,2-Dichloroethane-d4(Surrogate) MS 1717280-01 ND 11.170 10.000 ug/L 112 75-125 <br /> MSD 1717280-01 ND 10.260 10.000 ug/L 8.5 103 75-125 <br /> Toluene-d8(Surrogate) MS 1717280-01 ND 10.460 10.000 ug/L 105 80-120 <br /> MSD 1717280-01 ND 10.350 10.000 ug/L 1.1 104 80-120 <br /> 4-Bromofluorobenzene(Surrogate) MS 1717280-01 ND 10.980 10.000 ug/L 110 80-120 <br /> MSD 1717280-01 ND 10.340 10.000 ug/L 6.0 103 80-120 <br /> ne results in this report apply to the samples analyzed in accordance with the chain of custody document.This analytical report must be reproduced in its entirety. <br /> All results listed in this report are for the exclusive use of the submitting party.BC Laboratories,Inc.assumes no responsibility for report alteration,separation,detachment or third party interpretation. <br /> Report ID: 1000620894 4100 Atlas Court Bakersfield,CA 93308 (661)3274911 FAX(661)327-1918 www.bclabs.com Page 11 of 12 <br />