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cbCurtis &Tompkins Ltd <br /> Curtis & Tompkins Laboratories Analytical Alport ' <br /> Lab # —167752- <br /> Location - - LL Brenkwitz-Tracy -- -- <br /> Client Treadwell & Rollo Prep EPA 5030B <br /> Pro]ecu# 3577 01 Analysis EPA 8021B <br /> Field ID TR1-SO-4 Diln Fac 1 000 <br /> MSS Lab ID 167723-001 Batch# 84777 ' <br /> Matrix Soil Sampled 09/22/03 <br /> Units = _ ug/Kg _ _ _ Received 09/23/03 _ <br /> Basis as received Analyzed 09/24/03 <br /> t <br /> Type MS Lab ID QC226812 ' <br /> Analyte MSS Result: spiked Rgritlt %RRC Limits <br /> Gasoline C7-C12 NA ' <br /> MTBE <3 600 106 4 99 53 94 50-135 <br /> Benzene <0 6200 106 4 102 1 96 49-137 <br /> Toluene <0 1900 106 4 92 74 87 39-142 <br /> Ethylbenzene <0 2000 106 4 91 22 86 27-145 ' <br /> m,p-Xylenes c0 2700 212 8 181 1 85 27-136 <br /> lo-Xylene <0 1800 106 4 90 36 85 28-148 <br /> Surrogate Result %REC Limits ' <br /> Trafluorotoluene (FID) NA <br /> Bromofluorobenzene (FID) NA <br /> Trafluorotoluene (PID) 80 45-150 ' <br /> Bromofluorobenzene (PID) 105 42-138 <br /> Type MSD Lab ID QC226813 <br /> Anal to Spiked �asu t %AHC Uw to APD Lim ' <br /> Gasoline C7-C12 NA <br /> MTBE 100 0 100 3 100 50-135 7 20 <br /> Benzene 100 0 105 6 106 49-137 10 20 ' <br /> Toluene 100 0 96 45 96 39-142 10 20 <br /> Ethylbenzene 100 0 98 99 99 27-145 14 20 <br /> m,p-Xylenes 200 0 202 0 101 27-136 17 20 ' <br /> o-Xylene 100 0 99 94 100 28-148 16 20 <br /> $Ilrragate Result %REC LiMi s <br /> Trafluorotoluene (FID) NA ' <br /> Bromofluorobenzene (FID) NA <br /> Trafluorotoluene (PID) 79 45-150 <br /> Bromofluorobenzene (PID) 103 42-138 ' <br /> NA= Not Analyzed • <br /> RPD= Relative Percent Difference <br /> Page 1 of 1 <br /> 1 <br />