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Enviro Chem, Inc <br /> 1214 E. Lexington Avenue, Pomona, CA 91766 Tel (909)590-5905 Fax (909)590-5907 <br /> Gas/BTEX QC <br /> Date Analyzed: 9/17/2020 Units: mq/Kq (PPM) <br /> I <br /> Matrix: Soil/Solid/Sludge/Liquid <br /> Matrix Spike(MS)/Matrix Spike Duplicate(MSD) <br /> Spiked Sample Lab I.D.: 200916-1 MS/MSD <br /> 'Analyte I S.R. spk conc MS %REC MSD %REC %RPD ACP%REC ACP%RPD <br /> Gasoline Range 1 0.00 0.500 0.472 94% 0.468 94% 1% 75-125 <20% <br /> LCS STD RECOVERY: <br /> Analyte I spk conc LCS--T% REC f ACP <br /> Gasoline Range 0.500 0.480 96% i 75-125 <br /> Surrogate Recovery ACP %REC %REC %REC I %REC I %REC I %REC F %REC %REC I %REC <br /> Sample I.D. I MB 200916-1 200916-2 200916-3 200916-4 200916-5 200916-6 200916-7 <br /> BFB M-M 115:i, 1 ; , 116% 1215% 1181X, 115% 116% 127% <br /> Surrogate Recover-,r AC-P—%- REC %REC %REC %REC %REC %REC %REC %REC %REC <br /> Sample I.D. 200916-8 j 200916-9 1200916-101200916-111200916-121200916-131200916-141200916-1 <br /> BFB 70-130 116% 1 117% 1 116% 1 210*% 1 243"% 1 156*% 1 139*% 1 187*% <br /> Surrogate Recovery-- ACP %REC %REC %REC %REC 1. %REC I %REC <br /> Sample I.D. 1 1200916-161200916-171200916-181200916-191200616-2O <br /> BFB 70-130 1 266%—j- 151*0/o 116°l0 115% 1 122% <br /> * = Surrogate fail due to matrix interference (If marked) <br /> S.R. = Sample Result Note: LCS, MS, MSD are in control therefore results are in control. <br /> spk conc= Spike Concentration <br /> %REC = Percent Recovery <br /> ACP %RPD =Acceptable Percent RPD Range <br /> ACP %REC =Acceptable Percent Recovery Range <br /> Analyzed and Reviewed By: P—UA <br /> Final Reviewer: '� <br />