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* SPL BATCH QUALITY CONTROL REPORT ** PAGIHOUSTON LABORATORY <br /> 8880 INTERCHANGE DRIVE <br /> "A;4 <br /> MgOWAC CA LUFT HOUSTON,TEXAS 77054 <br /> O PHONE(713)660.0901 <br /> Matrix: Aqueous Batch Id: Hp_J960430125000 <br /> Units: mg/L <br /> L A B O R A T O R Y C O N T R O L S A M P L E <br /> S P I K E Method Spike _ Blank Spike _ QC Limits(**} <br /> C O M P O U N D S Blank Result Added Result Recovery (Mandatory) <br /> <2> <3> cl> t t Recovery Range <br /> Petroleum Hydrocarbons-Gas ND 0.9 0.77 85.6 50 - 150 <br /> MATRIX S PIKES <br /> S P I K E Sample Spike Matrix Spike Matrix Spike MS/MSD QC Limits(*'*) <br /> C 0 M P O U N D S Results Added Du licate Relative % (Advisory) - <br /> Result Recovery Result Recovery Difference RPD <br /> c2> <3> <1> <4> <1> <5> Max. Recovery Range <br /> PETROLEUM HYDROCARBONS-GAS ND 0.9 0.83 92.2 0.89 98.9 7.01 50 50 - 150 <br /> Analyst: AA * Values Outside QC Range <br /> Sequence Date: 04/30/96 NC = Not Calculated (Sample exceeds spike by factor of 4 or more) <br /> SPL ID of sample spiked: 9604A96-03A ND = Not detected/Below Detection Limit <br /> Sample File ID: JJ_425A.TXO % Recovery = [i <1> - <2> ) / c3> ] x 100 <br /> Method Blank File ID: LCS % Recovery - (<1> / <3> y x 100 <br /> Blank Spike File ID: JJ-414A.TXO Relative Percent Difference = ! (<4> - <S> / [(<4> + <5> p x 0.5] X ICO <br /> W_W_trix Spike File ID: JJ T421A.TXO (**) = Source. Temporary Limits <br /> Matrix Spike Duplicate File ID: JJ_422A.TX0 (***) = Source: Temporary Limits <br /> SAMPLES IN BATCH SPL ID)-- 9604A96-02A 9604A96-03A 9604A84-03A 9604A96-01A <br /> 9604003-01A 9604CO3-02A 9604003-03A 9604CO3-04A <br /> 9604CO3-OSA 9604CO3-06A 9604CO3-09A 9604CO3-10A <br /> 9604CO3-11A 9604CO3-12A 9604CO3-13A 9604003-07A <br /> 9604CO3-08A 9604A43-06A 9604A44-01A <br /> QC Officer <br />