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alsdence <br />nv}ronmental <br />aboratories, Inc. <br />Analytical Report <br />Page 3 of 11 <br />ryfi <br />Cardno ERI Date Received: 05/16/12 <br />601 North McDowell Blvd. Work Order No: 12-05-1165 <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 Date/Time Date Date/Time <br />1—f—-+ Date <br />f) <br />Batch! r1C atc <br />Tient Sample Number Number Collected " "'�" "" Preua1@:u mr1ayLtlu - - "" '- <br />V-DSCHG 12-05-1165-1-A 05/14/12 Air GC/MS V N/A 05/16/12 120516L01 <br />16:00 16:01 <br />Comment(s): <br />-The method has been modified to use Tedlar Bags instead of Summa canisters and is not NY NELAC accredited. <br />RL <br />Parameter <br />Result <br />RL <br />DF Qual <br />Parameter <br />Result <br />RL DF Qual <br />Benzene <br />0.0018 <br />0.0016 <br />1 <br />Xylenes (total) <br />0.22 <br />0.0087 1 <br />Toluene <br />0.092 <br />0.019 <br />1 <br />Methyl -t -Butyl Ether (MTBE) <br />0.013 <br />0.0072 1 <br />Ethylbenzene <br />0.035 <br />0.0022 <br />1 <br />U <br />Surrogates: <br />REC % <br />Control <br />Qual <br />Surrogates: <br />REC % <br />Control Qual <br />REC % <br />Control Qual <br />Limits <br />Limits <br />Limits <br />1,4-Bromofluorobenzene 97 <br />57-129 <br />Limits <br />1,2-Dichloroethane-d4 <br />95 <br />47-137 <br />Toluene -d8 <br />86 <br />78-156 <br />89 <br />47-137 <br />Toluene -d8 <br />94 <br />V -INF -OXO 12-05-1165-2-A 05/14/12 Air GC/MS V N/A 05/16/12 120516L01 <br />16:15 17:38 <br />Comment(s): <br />-The method has been modified to use Tedlar Bags instead of Summa canisters and is not NY NELAC accredited. <br />RL <br />Parameter <br />Result <br />RL <br />DF Qual <br />Parameter <br />Result <br />RL DF Qual <br />Benzene <br />0.44 <br />0.16 <br />100 <br />Xylenes (total) <br />260 <br />8.7 1000 <br />Toluene <br />150 <br />19 <br />1000 <br />Methyl -t -Butyl Ether (MTBE) <br />ND <br />0.72 100 U <br />Ethylbenzene <br />50 <br />2.2 <br />1000 <br />U <br />Surrogates: <br />REC % <br />Control <br />Qual <br />Surrogates: <br />REC % <br />Control Qual <br />REC % <br />Control Qual <br />Limits <br />Limits <br />Limits <br />1,4-Bromofluorobenzene 103 <br />57-129 <br />Limits <br />1,2-Dichloroethane-d4 <br />95 <br />47-137 <br />Toluene -d8 <br />87 <br />78-156 <br />89 <br />47-137 <br />Toluene -d8 <br />94 <br />Method Blank 099-12-983-2,320 N/A Air GC/MS V N/A 05/16/12 120516L01 <br />12:53 <br />Parameter <br />Result <br />RL <br />DF <br />Qual <br />Parameter <br />Result <br />RL DF Qual <br />Benzene <br />ND <br />0.0016 <br />1 <br />U <br />Xylenes (total) <br />ND <br />0.0087 1 U <br />Toluene <br />ND <br />0.019 <br />1 <br />U <br />Methyl -t -Butyl Ether (MTBE) <br />ND <br />0.0072 1 U <br />Ethylbenzene <br />ND <br />0.0022 <br />1 <br />U <br />Surrogates: <br />REC % <br />Control <br />Qual <br />Surrogates: <br />REC % <br />Control Qual <br />Limits <br />Limits <br />1,4-Bromofluorobenzene <br />93 <br />57-129 <br />1,2-Dichloroethane-d4 <br />89 <br />47-137 <br />Toluene -d8 <br />94 <br />78-156 <br />RL- Reporting Limit DF - Dilution Factor Qual - Qualifiers <br />7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL:(714) 895-5494 FAX: (714) 894-7501 <br />