Laserfiche WebLink
SEQUOIA ANALYTICAL <br /> 1900 Bates Avenue • Suite LM a Concord, California 94520 <br /> IWO (510) 686.9600 • FAX (510) 686-9689 <br /> Erwin Client P'roJecf Id: <br /> 335'brogan Ave., Ste A Matrix: Soil <br /> {.. <br /> Merced, 95344 <br /> y P' <br /> Attention• Ro Austin DC Sample Group: 3071039-45 Reported: Aug5, 1993 <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE Ethyl- <br /> Benzene Toluene Benzene Xylenes Diesel <br /> Method: EPA 8020 EPA 8020 EPA 8020 EPA 8020 EPA 8015 <br /> Analyst: J.F. J.F. J.F. J.F. K.Wimer <br /> Conc. Spiked: 0.40 0.40 0.40 1.2 10 <br /> Units: mg/Kg mg/Kg mg/Kg mg/Kg mg/Kg <br /> LCS Batch#: 3LCS080393 3LCS080393 3LCS060393 3LCS080393 BLK072393 <br /> Date Prepared: 8/3/93 8/3/93 8/3/93 8/3/93 7/23/93 <br /> Date Analyzed: 8/3/93 8/3/93 8/3/93 8/3/93 7/28/93 <br /> Instillment I.D.#: HP-5 HP-5 HP-5 HP-5 HP-3A <br /> = LCS % <br /> Recovery: 111 120 120 127 110 <br /> Control Limits: 70.130 70-130 70-130 70-130 80-120 <br /> ..ro...:. ...y.y <br /> ...... .,.....:....:.:...:........:,.::::...c,..r..................,.r........:.:.:.r..:,::,.�:.�::.::o-;:_,..,.......,...:..: rtin..........:....::.,:.,.,.......,,a:::.. r...ti•:::::.a:.;x4eo:u:$x:riic:<i�RSiii::i •.�:.g.:: <br /> MS/MSD <br /> Batch #: 3070019 3070019 3070019 3070019 3070814 <br /> Date Prepared: 8/3/93 8/3/93 8/3/93 8/3/93 7/23/93 <br /> Date Analyzed: 8/3/93 8/3/93 8/3/93 8/3/93 7/28/93 <br /> Instrument 1.D.#: HP-5 HP-5 HP-5 HP-5 HP-3A <br /> Matrix Spike <br /> %Recovery: 105 107 107 104 121 <br /> Matrix Spike <br /> Duplicate % <br /> Recovery: 102 105 105 103 116 <br /> Relative % <br /> Difference: 2.9 1.9 1.9 0.96 4,2 <br /> SEQUOIA ANALYTICAL Please Note: <br /> The LCS Is a control sample of known,Interfereni from matrix that Is analyzed using the frame raagentm, <br /> preparation and analyticat methods employed for the samples. The LCS%recovery data Is used for <br /> validation of sample batch resuge. Due to matrix effects,the QC limits for MS/MSD's are advisory only <br /> `"T"�J,� and are net used to accept or reject batch results. <br /> Karen L. nstrom <br /> Project Manager <br /> 3071039.WWI ¢5> <br />