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TABLE C-1 <br /> PRECISION,ACCURACY,AND REPRESENTATIVENESS <br /> Vernalis Pump Station <br /> 35500 Welty Road <br /> Vernalis, California <br /> Sample Lab ID Method/COC Non-Compliant Result Control Limits Flag Explanation <br /> Representativeness <br /> SB-30-W-38-050516 4527426 EPA 8015 Mod/TPHg pH=3 2 (MAX) No qualification necessary pH sl. above control limit; analyzed on 8th day <br /> SB-22-W-35-050517 4527428 EPA 8015 Mod/TPHg pH=7 2 (MAX) " Sample analyzed on 7th day <br /> SB-23-W-35-050518 4528314 EPA 8260BTEX pH=7 2 (MAX) R pH above control limit <br /> SB-25-W-34-050519 4529800 EPA 8015 Mod/TPHg;EPA 8260/BTEX pH=7 2 (MAX) R " <br /> Abbreviations and Data Qualifiers: <br /> COC=Constituent of concern <br /> TPHd=Total petroleum hydrocarbons quantified as diesel <br /> TPHdsg=TPH quantified as diesel with a silica-gel cleanup <br /> BTEX=Benzene,toluene,ethylbenzene,and total xylenes <br /> TPHc=TPH quantified as crude oil <br /> TPHg=TPH quantified as gasoline <br /> U=Not detected. Analysis for the analyte was performed but the analyte was not detected above the lowest quantifiable level,the Sample Quantitation Limit(SQL). <br /> J=Estimated.The analyte was detected and identified. The numerical value is the approximate concentration of the analyte in the sample. <br /> UJ=Not detected. The analyte was not detected above the reported SQL. The SQL is estimated and may be inaccurate. <br /> R=Rejected. The data are unusable. <br /> H=Bias in the sample result is believed to be high. <br /> L=Bias in the sample result is believed to be low. <br /> Page 2 of 2 <br />