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xlffn <br /> BATCH QUALITY CONTROL REPORT ** PAGE HOUSTON LABORATORY <br /> 8880 INTERCHANGE DRIVE <br /> 015 - Diesel HOUSTON TEXAS 77054 dit <br /> PHONE(713)660 0901 <br /> Matrix: Aqueous Batch Id: HPTT950615233200 <br /> Units: mg/L <br /> B L A N K S P I K E S <br /> S P I K E Sample Spike Matrix Spike Matrix Spike MS/MSD QC Limits(**) <br /> C 0 M P 0 U N D S Results Added Duplicate_ Relative X (Advisory) <br /> Result Recovery Result Recovery Difference RPD <br /> <2> <3> <1> <4> <1> <5> Max. Recovery Range <br /> Petroleum Hydrocarbons-Die NO 5 22 3.49 66 8 3 58 68 5 2.51 43 20 - 130 <br /> Analyst: SEG * = Values Outside QC Range <br /> Sequence Date: 06/14/95 NC = Not Calculated (Sample exceeds spike by factor of 4 or more) <br /> Method Blank File ID: NO = Not Detected/Below Detection Limit <br /> Sample File 1D. X Recovery = [( <1> - <2> ) / <3> ) x 100 <br /> Blank Spike File 10- TT-891 TXO Relative Percent Difference = 1(<4> - <5> 1 / [(<4> + <5> ) x 0.51 x 100 <br /> Matrix Spike File ID (**) = Source SPL-Houston Historical Data <br /> Matrix Spike Duplicate File ID. <br /> SAMPLES IN BATCH SPL ID):, 9506462-016 9506462-028 9506462-038 9506449-076 <br /> 9506449-068 9506449-058 9506449-03B 9506449-02B <br /> 9506449-016 <br /> 0 (� , 2, <br /> Idelis Willi C Officer <br />