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4 <br /> �7 <br /> +' SPL BATCH QUALITY CONTROL REPORT ** PAGE 1 <br /> Modified 8015 - Gasoline <br /> i <br /> Matrix Aqueous Batch Id HP_J950316030400 <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> <1> ?6 % Recovery Range <br /> Petroleum Hydrocarbons ND 1 00 0 91 91 0 56 - 139 <br /> M A T R I X S P I KE 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 (Advisory) <br /> Result Recovery Result Recovery Difference RPD <br /> <2> <3> <1> <4> <1> <5> Max Recovery Range <br /> Petroleum Hydrocarbons ND 0 9 0 60 88 9 0 81 90 4 1 23 18 40 - 158 <br /> Analyst YN * Values Outside QC Range <br /> Sequence Date 03/16/95 NC = Not Calculated (Sample exceeds spike by factor of 4 or morel <br /> SPL ID of sample spiked 9503413-06A ND = Not Detected/Below Detection Limit <br /> Sample File ID JS_004 TXO % Recovery = [( <1> - <2> 1 / <3> ) x 100 <br /> Method Blank File ID LCS % Recovery = )<1> / <3> ) x 100 <br /> Blank Spike File ID JJ-998 TX0 Relative Percent Difference = 1 (<4> - <5> / [(<4> + <5> 7 x 0 51 x 100 <br /> Matrix Spike File ID JJ-031 TXO Source SPL-140uston Historical Data <br /> Matrix Spike Duplicate File ID JJ_032 TXO (***S = Source SPE,-Houston Historical Data <br /> SAMPLES IN BATCH(SPL TD) _ 9503389-07A 9503413-02A 9503413-07A 9503435-04F <br /> 9503435-05F 9503435-06F 9503488-01A 9503488-02A <br /> 9503488-03A 9503488-04A 9503428-03A 9503389-14A <br /> 9503413-04A 9503413-07A 9503205-02A 9503205-02A <br /> . 9503308-OIF 9503413-05A 9503413-06A 9503474-07A <br /> r <br /> Idelis Williams Q facer <br />