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.:WLaboratories Inc. <br /> Environmental Testing Laboratory Since 1949 <br /> Geologic Associates Reported: 06/28/2017 13:20 <br /> 11415 W.Bernardo 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[F2260 Used client sample: N <br /> Benzene MS 1717086-04 ND 26.530 25.000 ug/L 106 70-130 <br /> MSD 1717086-04 ND 25.850 25.000 ug/L 2.6 103 20 70-130 <br /> Bromodichloromethane MS 1717086-04 ND 28.160 25.000 ug/L 113 70-130 <br /> MSD 1717086-04 ND 26.750 25.000 ug/L 5.1 107 20 70-130 <br /> Chlorobenzene MS 1717086-04 ND 24.530 25.000 ug/L 98.1 70-130 <br /> MSD 1717086-04 ND 24.280 25.000 ug/L 1.0 97.1 20 70-130 <br /> Chloroethane MS 1717086-04 ND 25.050 25.000 ug/L 100 70-130 <br /> MSD 1717086-04 ND 25.900 25.000 ug/L 3.3 104 20 70-130 <br /> 1,4-Dichlorobenzene MS 1717086-04 ND 24.810 25.000 ug/L 99.2 70-130 <br /> MSD 1717086-04 ND 23.620 25.000 ug/L 4.9 94.5 20 70-130 <br /> 1,1-Dichloroethane MS 1717086-04 ND 26.930 25.000 ug/L 108 70-130 <br /> MSD 1717086-04 ND 25.750 25.000 ug/L 4.5 103 20 70-130 <br /> ,1-Dichloroethene MS 1717086-04 ND 27.140 25.000 ug/L 109 70-130 <br /> MSD 1717086-04 ND 26.400 25.000 ug/L 2.8 106 20 70-130 <br /> Toluene MS 1717086-04 ND 26.250 25.000 ug/L 105 70-130 <br /> MSD 1717086-04 ND 26.080 25.000 ug/L 0.6 104 20 70-130 <br /> Trichloroethene MS 1717086-04 ND 26.060 25.000 ug/L 104 70-130 <br /> MSD 1717086-04 ND 24.940 25.000 ug/L 4.4 99.8 20 70-130 <br /> 1,2-Dichloroethane-d4(Surrogate) MS 1717086-04 ND 9.9500 10.000 ug/L 99.5 75-125 <br /> MSD 1717086-04 ND 10.000 10.000 ug/L 0.5 100 75-125 <br /> Toluene-d8(Surrogate) MS 1717086-04 ND 10.420 10.000 ug/L 104 80-120 <br /> MSD 1717086-04 ND 10.030 10.000 ug/L 3.8 100 80-120 <br /> 4-Bromofluorobenzene(Surrogate) MS 1717086-04 ND 10.150 10.000 ug/L 102 80-120 <br /> MSD 1717086-04 ND 10.260 10.000 ug/L 1.1 103 80-120 <br /> The 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 parry interpretation. <br /> Report ID: 1000620712 4100 Atlas Court Bakersfield,CA 93308 (661)3274911 FAX(661)327-1918 www.bclabs.com Page 11 of 12 <br />