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ill ria ti t� t t tl• t• t� ti tl♦ <br /> � o510H <br /> CERTIFICATE OF ANALYSIS <br /> ' Analytical Laboratory <br /> TO Tim Cuellar Tuesday, October I2, 1999 <br /> ` <br /> Advanced GeoEnvironmental, <br /> 4005 N Wilson Way <br /> Stockton, Ca 95205 <br /> Sample Li.fo►mation <br /> Sample ID PE6094-01 Sample Type Composite <br /> Sample Description Vapor Extraction Well No 1 (VW-1) Project Naiite Marlowe Properties <br /> Date/Tinte Sampled 10/4/99 2 00 00 PM Sample Matrix Air <br /> ANALYTICAL. RESULT QA/QC REPORT <br /> ` Date LCS Spike MS Spike <br /> Test Parameter Method DLR Unit Result [Analyzed Blank Colic LCS% Colic MS o MSD RSD% <br /> Methyl t-Butyl Ether(MtBE) EPA8260 05 ug/L q� ND � 05-Oct-99 ND 20 1000% 20 1100% 1050% 12% <br /> TPH-Gas EPA8260 50 uglL 597 05-Qct-99 ND 500 1100% 500 1200% 1400% 38% <br /> Benzene EPA 8260 0 5 ug/L � ND n.- 05-Oct-99 ND 20 900% 20 950% 900% 14% <br /> Toluene EPA 8260 YF 05 ug/L 22 05-Oct-99 ND 20 1000% 20 900% 950% 14% <br />' Ethylbenzene EPA 8260 05 ug/L 16 05-0ct-99 ND 20 950% 20 1100% 1200% 22% <br /> Xylene(Total) EPA 8260 05 ug/L 112 05-Oct-99 ND 20 900% 20 1100% 1100% 00% <br /> mg/L=imllrgranis per Liter =ppm SDI R-Detection Burr[for the Pra pose of Repot ting RSD represent relative per ceirt drffei ew(RPD)between duplicates spike of samples <br /> ug/I.=rnia ogranus per 1 rtes =ppb Lxceptioual sample mair ices of tntetfeieneces may result tut or Duplicate of Sample <br /> C=Compostte G=Grab higher detearon limits AIS/MSD-nreasrrre of the percent iecoi ery efficieucies tvrtlutn the manic <br /> LCS measure of the percent rem ery of the I aboi aloe),Control Sprke(1.CS) <br /> RESP(7TFUIJ,iS,U/ ITTED, <br /> Jonathan Hao V Le, Laboi atoiy Du ectot <br /> 3 <br /> t <br /> LPif-LmirtatrmietualPtotectiot,4geiicj Method Page I of I <br /> SAI-btandaidbleihodfoiDairtinattor°3 t`EIIC �ist�tsl IL$t Suite A Stockton, CA 95204 Tel (209) 462-0892 Fax (209) 462-7935 <br />