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SEQUOIA ANALYTICAL RECEIVED <br /> 819 Striker Avenue, Suite 8 • Sacramento, CA 958342 3 W3 <br /> (916) 921.9600 t FAX (916) 921-0100 C C � <br /> ' :v +,::.:...�.::.. :x.r:::.ri"- .....::nom:::::.:.:::::..:•::. .,: ....: ::;:.:.::::::::._::.:::•:.:�:..�::...:::...::� <br /> iR.. <br /> g I s En lronmental Consultants talent project Iq: Ultramar#696 Lodi.. .--...... .. . ... ..Sampled: Dct 12, 1993 <br /> 050 Melody Lane, Ste. 160 Sample Matrix. Water Received: Oct 13, 1993 <br /> Roseville, CA 95678 Analysis Method: EPA 5030/8015/602 Reported: Oct 19, 1993 <br /> ,Attention: Sheila Richgels First Sample #: 310-0512 <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> Reporting Sample Sample Sample Sample Sample <br /> Analyte Limit I.D. I.D. I.D. I.D. I.D. <br /> ug/L 310-0512 310-0513 310-0514 310-0515 310-0516 <br /> MW-20 MW-36 MW-35 MW-25 MW-24 <br /> Urgea e <br /> Hydrocarbons 50 N.D. N.D. N.D. 68 N.D. <br /> Benzene 0.5 N.D. N.D. N.D. N.D. N.D. <br /> Toluene 0.5 N.D. N.D. N.D. N.D. N.D. <br /> Ethyl Benzene 0.5 N.D. N.D. N.D. N.D. N.D. <br /> Total Xylenes 0.5 N.D. N.D. N.D. N.D. N.D. <br /> Chromatogram Pattern: -- Weathered . <br /> Gasoline <br /> Quality Control Data <br /> Report Limit Multiplication Factor: 1.0 1.0 1.0 1.0 10* <br /> Date Analyzed: 10/18/93 10/18/93 10/18/93 10/18/93 10/18/93 <br /> Instrument Identification: HP-2 HP-2 HP-2 HP-2 HP-2 <br /> Surrogate Recovery, %: 101 102 100 110 97 <br /> (OC Limits = 70-130%) <br /> Purgeable Hydrocarbons are quantitated against a fresh gasoline standard. - - - - - -- <br /> Analytes reported as N.D.were not detected above the stated reporting limit. <br /> SEQUOIA ANALYTICAL Please Note: <br /> *Detection limit raised due to matrix interference. <br /> Linda C. Schneider <br /> Project Manager 3100512.AEG <1> <br />