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�* SPL BATCH QUALITY CONTROL REPORT PAGE 1 <br /> p Modified 8015 - Gasoline <br /> — <br /> Matrix Aqueous Batch Id. HP 595D330125900 <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 (Mandatary) <br /> <2> <3> <1> % % Recovery Range <br /> Petroleum Hydrocarbons ND 1 0 0 99 99 0 56 - 139 <br /> Analyst AF * = Values Outside QC Range <br /> Sequence Date 03/30/95 NC = Not Calculated (Sample exceeds spike by factor of 4 or more) <br /> SPL 1D of sample spiked: ND = Not Detected/Below Detection Limit <br /> Sample File ID % Recovery = 1( <1> - <2> ) / <3> 1 x 100 <br /> Method Blank File ID LCS % Recovery = (0> / <3> ) x 100 <br /> Blank Spike File ID S_857.TX0 Relative Percent Difference = 1(<4> - <5> / [(<4> + <5> ) x 0 51 x 100 <br /> Matrix Spike File 1D (*') = Source SPL-Houston Historical Data <br /> Matrix Spike Duplicate File ID (•**) = Source <br /> i <br /> i <br /> SAMPLES IN BATCH(SPLID):_ 9503A37-09A 9503A95-05A 9503A37-10A 9503A95.07A l <br /> 9503A95-06A 9503A95-04A 9503A95-03A 9503A95-02A <br /> 9503A95-01A 9503A95-OBA 9503988-12A 9503988-19A <br /> 4503A37-111A 9503988-'10A , 9503988-01A 9503988r14A <br /> `1 ! 9503988-08A 9503988-04A 11 , 95031988-03A1, 9503488-18A I <br /> 9503988-1 <br /> idelis Williams. QC Of icer <br />