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• SPL BATCH QUALITY CONTROL REPORT HOUSTON LABORATORY <br /> Modified 8015 - Gasoline 8880 INTERCHANGE DRIVE <br /> HOUSTON,TEXAS 77054 <br /> O PHONE(713)660-0901 <br /> Aqueous Batch Id; HP_N970315091400 <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 §pike QC Limits(**) <br /> C O M P O U N D S Blank Result Added Result Recovery (Mandatory) <br /> <2> <3> <1> i' % Recovery Range <br /> Gasoline Petr. Hydrocarbon ND 1.0 0.84 84.0 56 - 130 <br /> M A T R I X 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 1< Adviso <br /> Result Recovery Result Recovery Difference RPD <br /> <2> <3> <1> <4> <1> <5> Max. I Recovery Range <br /> L <br /> OLINE PETE. HYDROCARBON ND 0.9 0.89 98.9 0.87 96.7 2.25 22 37 - 169 <br /> Analyst: JN * - Values Outside QC Range. < - Data outside Method Specification limits. <br /> Sequence Date: 03/15/97 NC - Not Calculated (Sample exceeds spike by factor of 4 or morel <br /> SPL ID of sample spiked: 9703686-IBA ND - Not Detected/Below Detection Limit <br /> Sample File ID: NNC7S02.TXO t Recovery - I( <1> - <2> ) / <3> 1 x 100 <br /> Method Blank File ID: LCS * Recovery - (<1> / <3> ) x 100 <br /> Blank Spike File ID: NNC7500.TXO Relative Percent Difference - 1 (<4> - <5> 1 / I(<4> + <5> 1 x 0.51 x 100 <br /> Matrix Spike File ID; NNC7508.TXO (**) - Source: SPL-Houston Historical data (3rd Q 195) <br /> Matrix Spike Duplicate File ID: NNC7509.TXO (***) - Source; SPL-Houston Historical Data (3rd Q 195) <br /> SAMPLES IN BATCH(SPL ID) : 9703622-01A 9703622-02A 9703622-03A 9703635-01A <br /> 9703635-02A 9703635-03A 9703631-OIA 9703631-02A <br /> 9703631-03A 9703686-19A 9703686-18A 9703686-17A <br />