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(CAL TECH Environmental Laboratories <br /> ' 6814 Rosecrans Avenue pa aniount CA 9072;-',146 <br /> O Telephone (562) 272-2700 1~rx (562) 272-2789 <br /> 1 <br /> i <br /> QA/QC Report <br /> I <br /> Method 8260B i <br /> I <br /> ' Matrix Water <br /> I <br /> Date Analyzed 415/04 <br /> Units ug/L <br /> ' Perimeters LSC LCSD Spike LCS % LCSD% Limits RPD <br /> f Added Rec Ree <br /> 1,1-Dichloroethene 44 45 50 88 90 60-140 2 <br /> ' Benzene 50 50 50 100 100 60-140 0 <br /> Trichloroethene 54 57 50 108 114 60-140 6 <br /> Toluene 51 48 50 102 96 60-140 fi <br /> ' Chlorobenzene 45 47 50 90 94 60-140 4 <br /> m,p-Xylenes 108 102 100 108 102 60-140 6 <br /> LCS Laboratory Control Standard <br /> ' LCSD Laboratory Control Standard Duplicate <br /> RPD Relative Percent Difference of LCS and LCSD <br /> 1 <br /> Perimeters Blank Limits RPD <br /> ' 1,1-Dichloroethene 0 70-130 <br /> Benzene 0 70-130 <br /> ' Trichloroethene 0 70-130 <br /> Toluene 0 70-130 <br /> Chlorobenzene 0 70-130 <br /> ' m,p-X lenes 0 70-130 <br /> 1 <br /> ' TOTALLY DLDI( A i LI) TO CUSTOMEP, SATISFACTION <br />