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{ <br /> Lalscience <br /> AC-nvironmental <br /> aboratories, inc. <br /> QUALITY ASSURANCE SUMMARY <br /> Method EPA 8015M - Diesel <br /> 3 <br /> Tetra Tech Inc. Work Order 11 98-11-0379, <br /> Page 1 of 1 Date Anfalyze& 11/13/98 <br /> h Matrix Spike/Matrix Spike Duplicate <br /> Sample Spiked: 98-11-0368-2 <br /> Control Control <br /> Analyte MS%REC MSD%REC I',� Limits %RPD Limits <br /> Total Petroleum Hydrocarbons 106 106 52- 149 0 0-29 <br /> Laboratory Control Sample <br /> 1 <br /> Conc. Conc.1' Control <br /> Analyte Added Rec. i'', .%REC Limits <br /> 11 f <br /> F ! <br /> Total Petroleum Hydrocarbons 400 372 i 93 79 - 137 <br /> k i <br /> �' Ir <br />�f <br /> l <br /> l <br /> IIS <br /> i <br /> A� <br /> f <br /> i <br /> i <br /> .i <br /> it <br /> 7440 Lincoln Way,Garden Grove, CA 92841-1432 ;�- TEL:(714)895-5494 FAX:(714)894-7501 <br /> �} ,i <br />