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Ancl hcalTethnologies,lnc. 9 <br /> A'l� I.D. T 9006-014 <br /> VOLATILE ORGANIC <br /> QUALITY CONTROL DATA <br /> CLIENT : APPLIED GEOTECHNOLOGY INC. SAMPLE I.D. : 9006-074-4 <br /> PROJECT 7 : 14 , 937. 039 DATE ANALYZED : 06/11/90 <br /> PROJECT NAME : USG/STOCKTON MATRIX : WATER <br /> EPA METHOD : 8010/8020 UNITS : ug/L <br /> 1 --------------------------------------------- -------------- <br /> DUP DUP <br /> SAMPLE SPIKE SPIRED k SPIKED % <br /> COMPOUND RESULT ADDED SAMPLE REC SAMPLE REC RPD <br /> BENZENE <0.5 12. 0 11.1 93 10.3 86 7 <br /> CHLOROBENZENE <0.5 12. 0 10.9 91 10.0 83 9 <br /> 1, 1-DICHLOROETHENE <0.2 4. 0 4.38 110 4.14 104 6 <br /> TETRACHLOROETHE.*iE <0.2 4. 0 4.08 102 3 .92 98 4 <br /> TOLUENE <0.5 12. 0 11.1 93 10.3 86 7 <br /> =. CHLOROETH= <0. 2 4. 0 3 .98 100 3 .76 94 6 <br /> TOTAL XYLZNES <0.3 16 . 6 15.1 91 12 .7 83 10 <br /> i <br /> Recover] _ (Spike Sample Result - Sample Result) <br /> --------- ----- --- ---- Y 100 <br /> Spike Concentration <br /> RPD (Relative Difference) = (Sample Result - Duplicate Result) <br /> _----__ -- --- --------- Y 100 <br /> Average Result <br /> f. <br />