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VOC analysis results, sample AE03947, Feb 22 2002

Machine-extracted title · confidence 95%

Laboratory results for volatile organic compounds in sample AE03947 analyzed on February 22, 2002.

NYC-WTC_000020242–000020383

Folder label: “524 2/21/02 - 2/22/02

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NYC 9/11 Public Portal Document

Quantitation Report (Not Reviewed)

Data File : C:\HPCHEM\1\DATA\02feb28\03970D.D Vial: 22 Acq On : 1 Mar 2002 1:40 am Operator: Sample : nyc dup Inst : 210 Mise : February 28, 2002 Multiplr: 1.00 MS Integration Params: GAS5.P Quant Time: Mar 1 2:19 2002 Quant Results File: HP021102.RES

Quant Method : C:\HPCHEM\1\METHODS\HP021102.M (RTE Integrator) Title : VOCs BY EPA METHOD 524 Last Update : Thu Feb 28 12:27:24 2002 Response via DataAcq Meth : : Initial Calibration HP021102 OvQP Internal Standards R.T. Qlon Response Cone Units Dev(Min)

1) 1,4-DIFLUOROBENZENE 15.58 114 625755 5.00 ug/L 0.00 21) CHLOROBENZENE-D5 23.35 82 356154 5.00 ug/L 0.01 49) 1,4-DICHLOROBENZENE-D4 29.41 152 275544 5.00 ug/L 0.02

System Monitoring Compounds 2) 1,2-Dichloroethane-d4 14.64 65 155126 5.84 ug/L 0.00 Spiked Amount 5.000 Recovery = 116.80% 22) Toluene-d8 19.49 98 816165 4.53 ug/L 0.00 Spiked Amount 5.000 Recovery = 90.60% 50) 4-Bromofluorobenzene 26.41 95 292647 5.08 ug/L 0.03 Spiked Amount 5.000 Recovery = 101.60%

Target Compounds Qvalue 9) ACETONE 8.03 43 8611 8.3 12.15 ug/L 95 12) METHYL TERT BUTYL ETHER 9.34 73 6540 0.09 ug/L 84 18) CHLOROFORM 27 12.79 83 1885318 325 27.26 ug/L 100 30) BROMODICHLOROMETHANE 4- 17.51 83 2182697 1 4.46 ug/L 97 34) TOLUENE 19.70 92 7499 905 0.05 ug/L 85 39) DIBROMOCHLOROMETHANE 21.90 129 7885 0,03 0.35 ug/L 99

(#) = qualifier out of range (m) = manual integration 03970D.D HP021102.M Fri Mar 01 02:20:08 2002 Page 1

NYC-WTC_000020308

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NYC-WTC_000020308Source: NYC Law Department, mirrored locally

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