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ENVIKONMENTAL <br /> co <br /> rn <br /> Analytical Chemists <br /> July 5, 1996 ORGANIC Quality Assurance Report for sample: 633223 <br /> Oc� <br /> Stephen Valentine j <br /> 6232 Hemet Ave <br /> W <br /> Stockton , CA 95207 W <br /> BATCH EPA CALIBRATION QA/QC METHOD QA/QC <br /> Constituent ID Method Units Type Cone % REC AR NOTE Type Conc. % REC % REC AR % DIF MAV NOTE j <br /> BFB OL 3A 602/8020 ug/L CCV 20 0 114 75-125 MS 20 0 89 0 95.8 75-125 7 4 20 0 U <br /> 1L 3B1 602/8020 ug/L CCV 20 0 87 7 75-125 N/A W <br /> Benzene OL 3A 602/8020 ug/L CCV 5 00 90 7 75-125 HS 5 00 85 9 76 0 75-125 12 3 20 0 w <br /> 1L 381.602/8020 ug/L CCV 5.00 105 75,125 BS 5 00 108 1D4 75-125 4 5 20 0 <br /> Ethyt Benzene OL 3A 602/8020 ug/L CCV 5.00 95.7 75-125 MS 5.00 91.0 79.0 75-125 14 1 20.0 <br /> 1L 381 602/8020 ug/L CCV 5 00 105 75-125 BS 5.00 110 104 75-125 5 5 20.0 <br /> Toluene OL 3A 602/8020 ug/L CCV 5 00 91.2 75-125 MS 5.00 124 73.9 75-125 50 7 20.0 410 <br /> 1L 3B1 602/8020 ug/L CCV 5 00 104 75-125 BS 5.00 109 103 75-125 5.3 20.0 <br /> Xylene Of. 3A 602/8020 ug/L CCV 15.0 92 5 75-125 HS 15.0 95 1 75.0 75-125 23.6 20.0 410 <br /> 1L 3B1.602/8020 ug/L CCV 15.0 105 75-125 BS 15.0 109 111 75-125 1.4 20 0 <br /> TPH-Gas 0013A 8015H iilg/L CCV 2.50 85 5 75-125 HS 2.50 71 6 59.5 75-125 18.6 20 0 410 <br /> 1013A 8015H mg/kg CCV 1.38 89 7 75-125 HS 2.50 75.9 73.7 75-125 2.9 20.0 410 <br /> 2Q13A 8015M 1 ng/kg CCV 1.38 109 75-125 MS 2.50 -899 -1310 75-125 32.9 20 0 405 <br /> FGL ID = 19960625 N/A => Not Applicabte NOTE => See note indicated below <br /> Notes and comments continued next page . . . . . <br /> f <br /> CoWrate Offices&Laboratorg Office&Laboratory Feld Office <br /> P 0 Box 272/853 Corporation Street 2500 Stagecoach Road Visalia California <br /> Santa Paula CA 93061 0272 Stockton CA 95215 TEL (209)734 9473 <br /> T=1 10 nCl CKO nnIn _ _ _ - - - --n I n I <br />