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aJscience <br />nvironmental <br />ahoratories, Inc. <br />Analytical Report <br />Page 3 of 10 <br />ACCO/C <br />rma <br />Cardno ERI Date Received: 03/28/12 <br />601 North McDowell Blvd. Work Order No: 12-03-1849 <br />Petaluma, CA 94954-2312 Preparation: N/A <br />Method: EPA TO -15M <br />Units: mg/m3 <br />Project: ExxonMobil 99CAS/022789C Page 1 of 1 <br />Lab Sample Dabarrime Tate Date/Time <br />tient Sample Number Number Cullocled Mainx rnsuumens Prepared Analyzed ut, uaopn ru <br />V_0SCHG 12-03-11149-1-A 03127112 Alr GC/MS II NIA 03128112 12032SL01 <br />13:40 16:10 <br />Commant(s): -The method has been modified to use Tedlar Bags instead of Summa canisters and is not NY NELAC accredited. <br />Result <br />Parameter <br />Result RL <br />DF Qual <br />Phi <br />Result <br />RL DFQua] <br />Benzene <br />0.045 0.0016 <br />1 <br />Xylanes (total) <br />1.2 <br />0.0087 1 <br />Toluene <br />1.3 0.075 <br />4 <br />Methyl -t -Butyl Ether (MTBE) <br />ND <br />0.0072 1 U <br />Ethylbenzene <br />0.22 0.0022 <br />1 <br />1 <br />Sumgates: <br />REC % <br />Surrogates: <br />REG (%) Control <br />Qual <br />Surrogates: <br />REC (%) <br />Control Qual <br />Umft <br />Limits <br />Limits <br />14-Bromofluorobenzene <br />Limits <br />1,4-Bromofluorobenzene <br />110 57-129 <br />1,2-Dichlomelhane-d4 <br />1,2-Dichloroethane-d4 <br />91 <br />47-137 <br />Toluene -M <br />65 78-156 <br />AZ <br />47-137 <br />Toluene -d8 <br />89 78-156 <br />V4NF-0XO 12-03-1049.2-A 03/27112 Air GC/MS II NIA 03/28112 12032SL01 <br />13:45 17:44 <br />Comment(s): -The method has been modified to use Tedlar Bags instead of Summa canisters and is not NY NELAC accredited. <br />Parameter <br />Result <br />RL <br />DF Qual <br />Parameter <br />Result RL DF Qual <br />Benzene <br />5.0 <br />0.26 <br />160 <br />Xylenes (total) <br />260 6.9 800 <br />Toluene <br />240 <br />15 <br />800 <br />Methyl -t -Butyl Ether (MTBE) <br />ND 1.2 160 u <br />Ethylbenzene <br />48 <br />0.35 <br />160 <br />ND 0.0022 <br />1 <br />Sumgates: <br />REC % <br />Control <br />Qual <br />Sunpoates: <br />REC M Control Qua] <br />Qual <br />Umft <br />REC (% Control Qum <br />Limits <br />14-Bromofluorobenzene <br />108 <br />57-129 <br />1,2-Dichlomelhane-d4 <br />92 47-137 <br />Toluene -d8 <br />81 <br />78-156 <br />1,2-Dichkxoethane-d4 <br />97 <br />47-137 <br />Toluene -d8 <br />89 78-156 <br />Method Blank 09942-983,2,212 WA Alr GC/MS 11 WA 03IM12 12032aL01 <br />13:35 <br />Parameter <br />Result RL <br />DF <br />Q al <br />Parameter <br />Result <br />RL DF Qgg_I <br />Benzene <br />ND 0.0016 <br />1 <br />U <br />Xylenes (total) <br />ND <br />0.0087 1 U <br />Toluene <br />ND 0.019 <br />1 <br />U <br />Methyl -t -Butyl Ether (MTBE) <br />ND <br />0.0072 1 U <br />Ethylbenzene <br />ND 0.0022 <br />1 <br />U <br />Surronates: <br />REC (°r61 Conte <br />Qual <br />Surrogates: <br />REC (% Control Qum <br />Lin& <br />Limits <br />1,4-Bromofiuorobenzene <br />102 57-129 <br />1,2-Dichkxoethane-d4 <br />97 <br />47-137 <br />Toluene -d8 <br />89 78-156 <br />RL- Reporting Limit , DF-D&IutionFactor , Qual- Qualfiers <br />7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL:(714) 895-5494 • FAX: (714) 894-7501 <br />