Laserfiche WebLink
' Sequoia 819 Striker Ave Ste8 <br /> Sael9mema,CA 95834 <br /> Analytical (916)921-9600 <br /> FAX(916)921-0100 <br /> wxw.sequaiolabs.com <br /> RNC Environmental LLC Praject:Schmidt UST INVESTIGATION <br /> 9746 Parkhree WayS504150 <br /> Project Norther- Reported: <br /> Elk Grove CA,95624 Project NuniberRobert A.Nicfiolson <br /> ' 04/20/05 18:50 <br /> Gasoline\BTEX\Oxygenates by EPA method 8260B- Quality Control <br /> Sequoia Analytical- Sacramento <br /> Reporting Spike Source %REC RPD <br /> AnalyteReporting <br /> Limit UWte Level ResWt YoREC Limits RPD Limit Noes <br /> Batch 5040204-EPA 5030B IP/CI/EPA 8260B <br /> ' Blank(5040204-BLK1) Prepared&Analyzed:04/15/05 <br /> Ethanol ND 0.20 mg/kg <br /> Tert-butyl alcohol NO 0.050 " <br /> Methyl tert-butyl ether ND 0.0050 <br /> Di-isopropyl ether ND 0.0050 <br /> Ethyl tert-butyl ether NO 0.0050 " <br /> Tert-amyl methyl ether ND 0.0050 ° <br /> 1,2-Dichloroethane NO 0.0050 <br /> 1,2-Dibromoethane(EDB) ND 0.0050 <br /> Benzene ND 0.0050 " <br /> ' Ethylbenzene ND 0.0050 " <br /> Toluene ND 0.0050 <br /> Xylenes(total) ND 0.010 " <br /> Gasoline Range Organics(C4-Cl2) ND 0.50 " <br /> ' Surrogate. 1,2-DCA44 0.00933 0.0100 93 60-140 <br /> Surrogate:Toluene-& 0.0101 0.0100 101 60-140 <br /> Surrogate:4-BFB 0.0105 0.0100 105 60-140 <br /> Laboratory Control Sample(5040204-BSI) Prepared&Analyzed:04/15/05 <br /> Methyl tert-butyl ether 0.0497 0.0050 mg/kg 0.0500 99 60-140 <br /> Be"gene 0.0601 0.0050 0.0500 120 70-130 <br /> Toluene 0.0558 0.0050 0.0500 112 70-130 <br /> Surrogate:1,2-DC4-d4 0.00873 0.0100 87 60-140 <br /> Surrogate:Toluene-d8 0.0101 0.0100 101 60-140 <br /> Surrogate:4-BFB 0.00887 0.0100 89 60-140 <br /> Laboratory Control Sample(5040204-BS2) Prepared&Analyzed:04/15/05 <br /> Methyl tert-butyl ether 0.0436 0.0050 mg/kg 0.0432 101 60-140 <br /> Benzene 0.0288 0.0050 0.0268 107 70-130 <br /> 1 Toluene 0.170 0.0050 0.152 112 70-130 <br /> Gasoline Range Organics(C4-C12) 2.38 0.50 2.20 108 70.130 <br /> Surrogate:l,2-DCA-4 0.00977 0.0100 98 60-140 <br /> ' Surrogate:Toluene-8 0.0104 0.0100 104 60-140 <br /> Surrogate:4-BFB 0.0107 0.0/00 107 60-140 <br /> Sequoia Analytical-Sacramento The results in this a Mon pr pply to the samples analyzed in accrrdanre with the cluu'n of <br /> custody document.Unless otherwise stated results are reported on a wet weight basis. <br /> This analytical report must be reproduced in its entirety. <br /> ' Page 6 of S <br /> 1 <br />