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VOC analysis results, sample AE10023, April 30, 2002

Machine-extracted title · confidence 90%

Laboratory report for volatile organic compounds in sample AE10023 dated April 30, 2002.

NYC-WTC_000082619–000082776

Folder label: “524 4/30/02 - 5/1/02

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NYC 9/11 Public Portal Document Quantitation Report (Not Reviewed) Data File C:\MSDCHEM\l\5973N\02APR30\0430B2.D Vial: 7 Acq On 30 Apr 2002 3:13 pm Operator: Sample lb Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: Lscint.p Quant Time: May 01 14:28:26 2002 Quant Results File: W042302.RES Quant Method : C:\MSDCHEM\1...\W042302.M (RTE Integrator) Title : VOC method 8260 Last Update : Wed May 01 09:30:08 2002 Response via : Initial Calibration DataAcq Meth : W042302

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

1) 1,4-Difluorobenzene 17.69 114 1194010 5.00 ug/L 0.00 27) Chlorobenzene-d5 25.47 117 1076925 5.00 ug/L 0.00 ■51) 1,4-Dichlorobenzene-d4 31.54 150 758093 5.00 ug/L 0.00 System Monitoring Compounds 2) 1,2-Dichloroethane-d4 16.76 65 200550 4.61 ug/L 0.00 Spiked Amount 5.000 Recovery = 92.20% 17) Toluene-d8 21.61 98 1603568 5.00 ug/L 0.00 Spiked Amount 5.000 Recovery = 100.00% 54) 4-Bromofluorobenzene 28.51 95 463082 5.35 ug/L 0.00 Spiked Amount 5.000 Recovery = 107.00% Target Compounds Qvalue 11) Acetone 9.33 43 1346 0.41 ug/L 93 21) Chloroform 14.93 83 22097 0.37 ug/L 98 70) Nitrobenzene 34.96 77 484 1.39 ug/L 85 71) 1,2,4-Trichlorobenzene 37.42 180 5708 0.16 ug/L 96 72) Hexachlorobutadiene 37.86 225 2480 0.09 ug/L 78 73) Naphthalene 38.41 128 12695 0.31 ug/L 96 74) 1,2,3-Trichlorobenzene 39.35 180 7939 0.31 ug/L 96

(#) = qualifier out of range (m) = manual integration 0430B2.D W042302.M Wed May 01 14:28:27 2002 Page 1

NYC-WTC_000082636

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NYC-WTC_000082636Source: NYC Law Department, mirrored locally

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