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K • <br />CAL TECH Environmental Laboratories <br />i rTh 6814 Rosecrans Aventik.'. Paramount. CA 90723-3146 <br />I Telephone: (7,62) 272-2700 Fax: 1562) 272-27S9 <br />QA/QC Report <br />Method: 82608 <br />Matrix: Water <br />Date Analyzed: 2/22/07 <br />Date Extracted: 2/22/07 <br />Perimeters Conc. ug/L Spike <br />Added <br />Recovery °A, Control Limits RPD <br />MS MSD MS MSD Rec. RPD <br />1,1-Dichloroethane 58 56 50 116 112 70-130 20 4 <br />Benzene 54 54 50 108 108 70-130 20 0 <br />Trichloroethene 56 56 50 112 112 70-130 20 0 <br />Toluene 56 56 50 112 112 70-130 20 0 <br />Chlorobenzene 46 45 50 92 90 70-130 20 2 <br />m,p-Xylenes 116 112 100 116 112 70-130 20 4 <br />MS: Matrix Spike <br />MSD: Matrix Spike Duplicate <br />RPD: Relative Percent Difference of MS and MSD <br />Perimeters Method <br />Blank <br />Units Det. <br />Limit <br />1,1-Dichloroethene ND ug/L 1 <br />Benzene ND ug/L 0.5 <br />Trichloroethene ND ug/L 0.5 <br />Toluene ND ug/L 0.5 <br />Chlorobenzene ND ug/L 0.5 <br />m,p-Xylenes ND ug/L 0.6 <br />MTBE ND ug/L 1 <br />TBA ND ug/L 10 <br />D1PE ND ug/L 1 <br />ETBE ND ug/L 1 <br />TAME ND ug/L 1 <br />1,2-Dichloroethane ND ug/L 0.5 <br />EDB ND ug/L 0.5 <br />Ethylbenzene ND ug/L 0.5 <br />o-Xylene ND ug/L 0.6 <br />ICE ND ug/L 1 <br />PCE ND ug/L 1 <br />TOTAL! DFDICATH) (VS1.0MER SATISFACTION