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�Y Ana1'yt�icaf L-aborafo CERTIFICATE OFANALY <br /> _ ry SIS <br /> TO William Little <br /> Freda),, Ociaher 01, 1999 <br /> Advanced GeoEnvlronmental <br /> 4005 N Wilson Way <br /> << Stockton, CA 95205 <br /> r.,lza <br /> sW <br /> Sample Infornratiori <br /> " Sample ID PE6017-01 Sample Tj pe Grab <br /> J Sample Description MW-IA/9/23/99 Protect Narrre Den's Auto Repair <br /> Date/Tiine Sampled 9/23/99 2 50 00 PM <br /> Sample Matrix Ground Water <br /> A r ANALYTICAL RESULT QA/QCREPQRT m „ } <br /> „ k <br /> Date LCS Spike v.MS Spike, <br /> {Test Parameter Method DLR Unit Result ,Analpzed Blank <br /> Conc LCS% Conc. MS% MSD RSD <br /> `t t rw .. <br /> Pa TPH-Gasoline x EPA 8015MIDHS 50 ug/L 7115 25-Sep-99 NO ry V W Y r V V % <br /> $ P 500 96 096 500 1040% 1070°,6 o77'— <br /> Methyl °6 <br /> o t-ButylEther(MtBE) EPA8260 05 ug/L Nb <br /> 25-Sep-99 N D <br /> P ZO 9000/0 20 111100% 135 0°,6 5 196 <br /> Ritsopropyl ether(dfPEl I:PA8260 05 U�IL .,r � 50.,, V x„ , 25-Sep-99 ., <br /> g ND ZO 95 09b 20 1100°6 9500/0 n 37% 4 <br /> Ethyl-t-butyl ether IETBE) EPA8260 05 uglL ND v> 4 r <br /> 25-Sep-99 ND 20 97 596 20 110 0°� 105 0°6 1 296 <br /> � 'Ter-am I meth ether(TAME) EPA$260 05 u /L„ r,r 2160 <br /> 25-Sep-99 NO 187 107 096 20 u 95 096 v 90 096 V 14%x <br /> t-Butanol(TBA) x^ EPA8200 05 ugA- Nb <br /> 25-Sep-99 ND V20 v r 1000° x.nh 20�.ri + 900°/0 v8751% 07% <br /> a <br /> Benzene I nv v r I --I <br /> EPA 8260 0'5 ug/L 1075 25-Sep-99 NO 20 10000/0 20 v, }105 0% 105 096 n 0 0°,6� ° <br /> k <br /> Toluene EPA 8260 05 ug/L 56 ' 25 Se 99 t ' , w — \„`Y 1 " t <br /> p N D 21 95 2% 20 875% 11000A 57% <br /> } Ethylbenzene EPA 8260 05 ug/L 500 v ' „ N <br /> 25 Sep-99 NO 20 105 0°� 20 x 1100% 1250°6 320/6 <br /> Xylene(Total) EPA 8260 05 ugA- 70 0 Y, 25-Sep-99 ND 5pr A N"" <br /> Y ri93 0% 50 120 0% 110 0°r6 <br /> 22% <br /> nigll,=rntlltgranis per I stet =ppnt DI.R-Detection 1 trot for Me Purpose ofReporring Fxceptrorrol MFM represent n.latne percent different(RPD)between duplicates spikeYofsamples <br /> ug/L=nucrogtaresperbler=ppb sample rnahtccs or rrrterfereneces mayresnll in higher detection or Duplicate ojSantple <br /> ltnats <br /> C=Composite G-Grab ALS/AIM-measure oflhe per cernt mcoi ery efctencis s within the nrarnr <br /> LC.';-nit alar e of the percent recover v ofthe Lnboratory Conti of Spike(LCS) <br /> �RESPEC FUL 13 ITTED, <br /> 1 <br /> Jon th i Hao V Le, Laboratory Director <br /> f <br /> 1,Pit-Ftn rromnental Pt oleclnon.tgcncyMethod <br /> MI StandardAlelhotl/orCrwtruratton o r l u 1 d Page I of I <br /> ' Li' ���r►i St Suite A Stockton, CA 95204 Tel (209) 462-0892 Fax (209) 462-7935 <br />