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W <br /> Er=NVDRO-Lr=C [H CERTIFICATE OF ANALYSIS <br /> Anal Ica/ Laborata <br /> Yt rY Tuesday',March 12,2002m <br /> TT40: William Little mW <br /> Advanced GeoEnvironmentai <br /> 837 Shaw Road <br /> Stackton CA 95216 0 <br /> Aromatic Compound in Gasoline by GCIMS <br /> N <br /> Sample Information LO <br /> A <br /> Sample ID. 14494-02 Sample Type: Grab <br /> Sample Description: Tank#1 South End Project Name: 4040 E.Main ST. <br /> Datell'iwe Sampled: 3!6/2002 4:35:00 PM Sample Matrix: Soil °D <br /> �4 a_•- <.._._< ANAL)rTICAL RESULT Q,41QC REPOR T.�---a - <br /> Date LCS Spike MS Spike <br /> Test Parameter Method DLR Unit Result rAnalyzed Blank Cone- LCS% Cone. MS% MSD RSD <br /> Benzene EPA8260B 5 ND 08-Feb-02 ND 12.8 90.0% 13 97.1% 94.4% 0.71% <br /> Toluene EPA 82608 ... :.. . ugfkg NO 08-Feb-02 ND 12.8 90.0% 12.8 100.6°x6 100.0% 0.2% <br /> ELllylbenzer►e EPA 82606 Y5 ugfkg ND 08-Feb-02 ND 12.8 88.01/9 12.8 109.4% 95.2% 3.5%" <br /> rp,p-Xyierue EPA8260B: 5 ugAkg NO 08-Feb-02 ND 25.6 87.5% 25.6 97.2% 97.7% 0.1% m <br /> o-Rylene EPA 82606 5 ugAicg ND08-Mar-02 ND 12.8 89.5% 12.8 96.9% 98.0% 0.3% <br /> 1,2-Dichloroethaned4(Surrogate} %Rewvery 109% <br /> 4 BFe-(Surrogate) %Recovery" 108% Z <br /> ntg/L=mllJlgrrrrns per Liter=ppnr RSD-rcprnsrrtt rrTtrtive percent dr <br /> ffererx(RPD)helivw-n drrplicrues•spike ofsarnples <br /> ugiL=rnirrogr•rrrns per Liter=ppb or Duplicate of Snrn ple <br /> E G Grab <br /> FUL TTED, MS-+�MD-measure of die�uerrew recovery eftiencles•within Me mvfrix <br /> C=C'nnyoosife = <br /> LCS-measure of die percent recovery of dre Laboraton.,Control Spike(LCS) <br /> Ott !loll Hao 6'.Le,Laboratory Director DLR-Dwecriar t_imir for Me Propose af•Repnrtixg_ Exceptional sample. <br /> matrices or iwer fere-necm may res di in Argher deteciron linitis <br /> • D <br /> M <br /> CS) <br /> EPA-Enruronrrrerual f'mrecrion.dgerrryrLtethod. Sht�Yendrrr»,d4rthar!for Errrmirrntion of mater f3asresrrrter)3t)r F.d. Pugr 1 of*I <br /> X45 F. rh-veland St. Suite A Stockton. CA 95204 Tei.: (209) 462-0892 Fax: (209) 462-7935 <br />