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VOC analysis results, sample AE09097, April 24, 2002

Machine-extracted title · confidence 90%

Laboratory report for volatile organic compounds in sample AE09097 dated April 24, 2002.

NYC-WTC_000082222–000082353

Folder label: “524 4/24/02

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Scanned page image, NYC-WTC_000082243
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NYC 9/11 Public Portal Document

Data File C:\MSDchem\l\5973N\02apr24\8953D.D Vial: 7 Acq On 24 Apr 2002 4:39 pm Operator: Sample nyc dup. Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: Lscint.p Quant Time: Apr 24 17:20:57 2002 Quant Results File: W042302.RES

Quant Method : C:\MSDCHEM\1...\W042302. M (RTE Integrator) Title : VOC method 8260 Last Update : Tue Apr 23 11:06:33 2002 Response via : Initial Calibration DataAcq Meth : W042302

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

1) 1,4-Difluorobenzene 17.70 114 1588592 5.00 ug/L 0.00 27) Chlorobenzene-d5 25.47 117 1398570 5.00 ug/L 0.00 51) 1,4-Dichlorobenzene-d4 31.54 150 1082652 5.00 ug/L 0.00

System Monitoring Compounds 2) 1,2-Dichloroethane-d4 16.78 65 284734 4.92 ug/L 0.02 Spiked Amount 5.000 Recovery = 98.40% 17) Toluene-d8 21.62 98 2091069 4.90 ug/L 0.00 Spiked Amount 5.000 Recovery = 98.00% 54) 4-Bromofluorobenzene 28.51 95 640521 5.19 ug/L 0.00 Spiked Amount 5.000 Recovery = 103.80%

Target Compounds Qvalue 4) Chloromethane 5.90 50 4387 0.06 ug/L 83 ■11) Acetone 9.35 43 41620 9.51 ug/L 97 65) 1,3-Dichlorobenzene 31.62 146 126874 ar; 18 ug/L _ 96 66) 1,4-Dichlorobenzene7 31.62 146 126874 1.22 ug/'L 97

(#) = qualifier out of range (m) = manual integration 8953D.D W042302.M Wed Apr 24 17:20:58 2002 Page 1

NYC-WTC_000082243

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NYC-WTC_000082243Source: NYC Law Department, mirrored locally

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