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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: 9/17-18/2020 Units: mq/Kq (PPM) <br /> Matrix: Soil/Solid/Sludge/Liquid <br /> Matrix Spike(MS)/Matrix Spike Duplicate(MSD) <br /> Spiked Sample Lab I.D.: 200916-21 MS/MSD <br /> Analyte S.R. s k conc MS %REC MSD I %REC %RPD ACP%REC I ACP%RPD <br /> Gasoline Range 0.00 0.500 0.468 94% 0.469 94% 0% 75-125 <20% <br /> LCS STD RECOVERY: <br /> Analytes k conc LCS % REC ACP <br /> Gasoline Range 0.500 0.466 93% 75-125 <br /> Surro ate Recovery ACP%REC %REC °I0i2EC %REC %REC %REC ^kREC I °/.REC <br /> Sample I.D. MB 7100916-211200916-22[2009115- 3 204916-24 200915-251200916-2 6 00916-66 <br /> BFB 70-130 11301 1 117°1 1160% 123% 113% 1 11301 115°l0 113% <br /> Surrogate Recovery ACP%REC %REC %REC %REC %REC %REC T %REC %REC %REC <br /> Sample I.D. <br /> BFB70-130 <br /> Surrogate Recove ACP%REC %REC %REC I %oREC %REC %REC <br /> Sample I.D. I <br /> BFB 70-130 <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 cone= Spike Concentration <br /> %REC = Percent Recovery <br /> ACP %RPD = Acceptable Percent RPD Range <br /> ACP %REC = Acceptable Percentecovery Range <br /> Analyzed and Reviewed By: r <br /> Final Reviewer: '. <br />