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VOC analysis results, sample AE03958, Feb 19 2002

Machine-extracted title · confidence 95%

Laboratory results for volatile organic compounds in sample AE03958 analyzed on February 19, 2002.

NYC-WTC_000020027–000020141

Folder label: “524 2/19/02 - 2/20/02

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NYC 9/11 Public Portal Document Quantitation Report (Not Reviewed) Data File : C:\HPCHEM\1\DATA\02feb19\03957.D Vial: 4 Acq On : 19 Feb 2002 8:04 pm Operator: 201-wb Sample : nyc Inst : GC/MS Ins Mise : February 19, 2002 Multiplr: 1.00 MS Integration Params: RTEINT.P Quant Time: Feb 19 20:43 2002 Quant Results File: HP021702.RES Quant Method : C:\HPCHEM\1\METHODS\HP021702.M (RTE Integrator) Title : VOCs BY EPA METHOD 524 Last Update : Tue Feb 19 16:16:43 2002 Response via : Initial Calibration DataAcq Meth : HP021702

Internal Standards R.T. Qlon Response Cone Units Dev(Min) 1) 1,4-DIFLUOROBENZENE 15.08 114 1379732 5.00 ug/L -0.03 24) CHLOROBENZENE-D5 21.74 117 1307979 5.00 ug/L -0.02 52) 1,4-DICHLOROBENZENE-D4 26.92 152 552025 5.00 ug/L -0.03 System Monitoring Compounds 2) 1,2-DICHLOROETHANE-D4 14.32 65 486155 4.63 ug/L -0.03 Spiked Amount 5.000 Recovery = 92.60% 3) 4-BROMOFLUOROBENZENE 24.33 174 415499 4.01 ug/L -0.03 Spiked Amount 5.000 Recovery = 80.20% 25) TOLUENE-D8 18.44 98 1707575 5.26 ug/L -0.03 Spiked Amount 5.000 Recovery = 105.20% Target Compounds 1 Qvalue 12) ACETONE 8.26 43 116516 12.28 ug/L 91 14) METHYLENE CHLORIDE 9.60 49 70243 —0.88 ug/L 92 18) 2-BUTANONE (MEK) 12.00 43 18340 0.83 ug/L 99 21) CHLOROFORM 12.80 83 2354456 23.38 ug/L 98 33) BROMODICHLOROMETHANE 16.77 83 334393 4.89 ug/L 100 37) TOLUENE 18.61 91 11376 0.06 ug/L 93 42) DIBROMOCHLOROMETHANE 20.50 129 16895 0.44 ug/L 94

(#) = qualifier out of range (m) = manual integration 03957.D HP021702.M Tue Feb 19 20:43:20 2002 Page 1

NYC-WTC_000020066

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NYC-WTC_000020066Source: NYC Law Department, mirrored locally

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