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r M M = M I� 1 � I• i_ tIi <br /> CERTIFICATE OF ANAL YSIS <br /> C5AZrya1yti4ca1L-ahc)ii-atc3Pry Tuesday,April 24,1001 <br /> TO William Little <br /> Advanced GeoEnvrronmental <br /> 837 Shaw Road <br /> Stockton CA 95215 <br /> Sample Information <br /> Sample ID- PE11268-02 Sample Type: Grab <br /> Sample Description: 040901-MW 1 B Project Name: Dells Auto Repair <br /> DatefTime Sampled: 04/09/20013 10 00 PM Sample Matrix: Ground Water <br /> a -r �^A»-f Pxt 4ey rr {� ([u.1zvSi�'c. SSXr4sae/4.Kwa''."..%i 1 H�x. C„ �rv.s _ t .,t i• i. �1Y x� ei[ .r.+V^ nM1a+..!L.. _.twit/'q.kt [t ti- Lz.x_'3avTJaFkx'.-K'Rf41nNMYG.V.C(%Abe+�"eva't_nvsafaTM+Eiura�PmmWpiwsu xi e`'F ..aa +k <br /> ANALYTICAL RESULT QAIQCREPORT <br /> Date r LCS Spike �.MS Spike <br /> Test Parameter Method DLR Unit Result Analyzed Blank Conc. LCS% Cone. MS% MSD RSD <br /> TPH-Gasoline EPA 8015M/DHS 50 ug/L 336 13-Apr-01 ND 500 960% 500 980% 980% 00% <br /> Methyl t-Butyl Ether(MtBE) EPA 8260M 05 ug/L ND 13-Apr-01 ND 32 1027% 32 991% 1014% 06% <br /> Dldsopropyl ether(DIPE) EPA 8260M 05 ug/L ND 13-Apr-01 ND 16 1034% 16 98 6,, 1031% 11% <br /> Ethyl-t-butyl ether(ETRE) EPA 8260M 05 ug/L ND 13-Apr-01 ND 16 968% 16 96 7% 961% 01% <br /> Tert-amyl methyl ether(TAME) EPA 8260M 05 ug/L ND 13-Apr-01 ND 16 1006% 16 936% 906% 08% <br /> t-Butanol(TBA) EPA 8260M 10 ug/L ND 13-Apr-01 ND 200 970% 160 938% 106 3% 31% <br /> Benzene EPA 8260M 05 ug/L ND 13-Apr-01 ND 32 961% 32 908% 956% 08% <br /> Totuene EPA 8260M 0 5 ug/L ND 13-Apr-01 ND 32 953% 32 996% 939% 15% <br /> Ethyibenzene EPA 8260M 05 ug/L 10 13-Apr-01 ND 32 942% 32 997-% 920% 20% <br /> Xylene(Total) EPA 8260M 05 ug/L 1 7 13-Apr-01 ND 32 950-% 32 995% 956% 10% <br /> 1,2-Dichoroethane(DCA) EPA8260 05 ug/L ND 13-Apr-01 ND 16 669% 16 1063% 1031% 07% <br /> Ethylene Dibromide(EDB) EPA 8260 05 ug/L ND 13-Apr-01 ND 16 969% 16 988% 981% 02% <br /> Methanol EPA 8260 25 ug1L ND 13-Apr-01 ND 100 1000% 100 960% 980% 05% <br /> Ethanol EPA 8260 25 ug/L ND 13-Apr-01 ND 98 1020% 100 980% 960% 05% <br /> mg/L =milligrams pe; Litei =ppm RSD-?epresent relative percent different(RPD)between duplicates spike of wimples <br /> ug/L=rrucrogranrs per Liter =ppb or Duplicate of Sample i <br /> RESET ULL M TED, MS/MSD-measure of the percent recovery efficiencies within the matrix <br /> C=Composite G=Grab <br /> i! LCS-measure of the percent r ecovery of the Laboratory Control Spike(LCS) <br /> (," DLR-Detection Linut for the Purpose of Repotting Ercepltonal sample <br /> Jonatha t Hao V Le,Laboratory Director matrices m interfet eneces may result in higher detection limits <br /> CPR Envi)aninenial Protection Agency Method Page I of I <br /> SM Standard hleibad for Erarnuiation of Water Wastewater 181 td <br /> 545 E Clev, t Suite A Stockton, CA 95204 Tel (209) 462-0892 Fax (209) 462-7936 <br />