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VOC blank analysis results, sample AE02714, Feb 11 2002

Machine-extracted title · confidence 95%

Laboratory results for a volatile organic compounds blank (SB1524) in sample AE02714 analyzed on February 11, 2002.

NYC-WTC_000019731–000019797

Folder label: “524 2/11/02

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NYC 9/11 Public Portal Document quantitation Report (NOC Reviewed)

Data File : C:\HPCHEM\1\DATA\02FEB11\0211REF5.D Vial: 8 Acq On : 11 Feb 2002 4:55 pm Operator: 201-wb Sample : reference 5.0 Inst : GC/MS Ins Mise Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Time: Feb 11 17:41 2002 Quant Results File: HP021102.RES

Quant Method : C:\HPCHEM\1\METHODS\HP021102.M (RTE Integrator) Title : VOCs BY EPA METHOD 524 Last Update : Mon Feb 11 16:41:09 2002 Response via : Initial Calibration DataAcq Meth : HP020502

Internal Standards R.T. Qlon Response Cone Units Dev(Min)

1) 1,4-DIFLUOROBENZENE 15.10 114 2481788 5.00 ug/L -0.02 24) CHLOROBENZENE-D5 21.74 117 2467719 5.00 ug/L -0.02 52) 1,4-DICHLOROBENZENE-D4 26.93 152 1160776 5.00 ug/L -0.02

System Monitoring Compounds 2) 1,2-DICHLOROETHANE-D4 14.33 65 938633 4.97 ug/L -0.02 Spiked Amount 5.000 Recovery = 99.40% 3) 4-BROMOFLUOROBENZENE 24.34 174 925931 4.96 ug/L -0.02 Spiked Amount 5.000 Recovery = 99.20% 25) TOLUENE-D8 18.45 98 3051522 4.99 ug/L -0.02 Spiked Amount 5.000 Recovery = 99.80%

Target Compounds Qvalue 4) DICHLORODIFLUOROMETHANE 4.85 85 349058 3.48 ug/L 99 5) CHLOROMETHANE 5.47 50 363105 4.66 ug/L 98 6) VINYL CHLORIDE 5.59 62 197229 5.63 ug/L 99 7) BROMOMETHANE 6.58 94 233988 5.29 ug/L 98 8) CHLOROETHANE 6.71 64 225499 5.14 ug/L 95 9) TRICHLOROFLUOROMETHANE 7.28 101 452304 5.35 ug/L 98 12) ACETONE 8.25 43 109178 6.40 ug/L 96 13) 1,1-DICHLOROETHENE 8.60 61 445361 3.74 ug/L 98 14) METHYLENE CHLORIDE 9.61 49 776531 5.44 ug/L 98 15) METHYL TERT BUTYL ETHER 9.91 73 700510 4.42 ug/L 96 16) TRANS-1,2-DICHLOROETHENE 10.27 61 705028 4.62 ug/L 99 17) 1,1-DICHLOROETHANE 11.16 63 887860 4.93 ug/L 97 18) 2-BUTANONE (MEK) 12.00 43 324458 8.34 ug/L 100 19) 2,2-DICHLOROPROPANE 12.38 77 731213 5.05 ug/L 100 20) CIS-1,2-DICHLOROETHENE 12.47 96 523839 5.09 ug/L 97 21) CHLOROFORM 12.82 83 959324 5.30 ug/L 98 22) BROMOCHLOROMETHANE 13.20 49 447844 5.20 ug/L 99 23) 1,2-DICHLOROETHANE 14.54 62 652839 5.36 ug/L 98 26) 1,1,1-TRICHLOROETHANE 13.70 97 696681 5.06 ug/L 97 27) 1,1-DICHLOROPROPENE 14.03 75 740682 5.39 ug/L 99 28) CARBON TETRACHLORIDE 14.29 117 557889 4.99 ug/L 98 29) BENZENE 14.63 78 1897658 5.32 ug/L 99 30) TRICHLOROETHENE 15.90 95 588059 5.52 ug/L 99 31) 1,2-DICHLOROPROPANE 16.26 63 560603 5.56 ug/L 96 32) DIBROMOMETHANE 16.92 174 258550 5.41 ug/L 95 33) BROMODICHLOROMETHANE 16.78 83 720466 5.59 ug/L 99 34) 2-CHLOROETHYL VINYL ETHER 17.25 63 192195 5.16 ug/L 95 35) METHYL ISO-BUTYL KETONE 17.34 58 96616 5.24 ug/L 96

(#) = qualifier out of range (m) = manual integration 0211REF5.D HP021102.M Mon Feb 11 17:41:19 2002 Page 1

NYC-WTC_000019748

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