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COAL TECH Environmental Laboratories <br /> (414 Roccu mn <br /> Irlephon (`W') = , '?0U I ac (. 6 i 1 ,749 <br /> QA/QC Report <br /> Method: 8015M <br /> Matrix: Water <br /> Date Analyzed: 12/24/04 <br /> Date Extracted: 12/24/04 <br /> Perimeters Conc. u /L Spike Recover % Control Limits RPD <br /> LCS LCSD Added I LCS LCSD Rea RPD <br /> TPH - Gasoline 1040 1160 1000 104 116 7(-130 20 12 <br /> TPH - Diesel 2085 2176 2000 104 1 109 70-130 20 5 <br /> Perimeters Method Units Det. <br /> Blank Limit <br /> TPH -Gasoline NDu /L 50 <br /> TPH - Diesel ND u /L 50 <br /> LCS: Laboratory Control Standard <br /> LCSD: Laboratory Control Standard Duplicate <br /> RPD: Relative Percent Difference of LCS and LCSD <br /> 100 \1IYDLDR VI1i1) 10 1 til ()\1FRS.AIlY,A(' 110", <br />