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'sic" PL BATCH QUALITY CONTROL -ZEPORT •* PAGE HOUSTON LABORATORY <br /> od 8015 - Diesel 8880 INTERCHANGE DRIVE <br /> ® H HONE(7 3E XAS 660 09054 <br /> . Matrix Aqueous Batch Id HP_T950912143000 <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 t (Advisory)_ <br /> Result Recovery Result Recovery Difference RPD <br /> <2> <3> <1> <4> <1> <5> Max Recovery Range <br /> PETROLEUM HYDROCARBONS-DIE ND 5 0 4 73 94 4 4 84 96 6 2 30 43 20 - 130 <br /> Analyst SEG " Values Outside QC Range <br /> Sequence Date 09/12/95 NC = Not Calculated (Sample exceeds spike by factor of 4 or more) <br /> Method Blank File ID ND - Not Detected/Below Detection Limit <br /> Sample File ID % Recovery = [( <1> - <2> ) / <3> 1 x 100 <br /> Blank Spike File ID TT-319 TRO 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 DuplicaCe File ID <br /> SAMPLES IN BATCH(SPL ID) 9509240-06G 9509266-01B 9509266-02B 9509266-038 <br /> 9509301-01E 9509301-02E 9509301-03E 9509301-04E <br /> 9509301-05E 9509301-062 9509301-07E 9509240-OIG <br /> 9509240-02G 9509240-03G 9509240-04G 9509240-05G <br /> QC Officer <br />