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← Document results/DEP Box 17/524 2/8/02 - 2/9/02
Document / 159 pages

VOC analysis results, sample AE02575, Feb 8 2002

Machine-extracted title · confidence 95%

Laboratory results for volatile organic compounds in sample AE02575 analyzed on February 8, 2002.

NYC-WTC_000019571–000019729

Folder label: “524 2/8/02 - 2/9/02”

←Page 130 of 159→
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NYC 9/11 Public Portal Document QudiiLL LdLOl RCDOL L (NNOL KtvLEweu)

Data File C:\HPCHEM\l\DATA\02FEB08\2712.D Vial: 14 Acq On 9 Feb 2002 3:18 am Operator: 201-wb Sample nyc 524 Inst : GC/MS Ins Mise Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Time: Feb 13 9:45 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 15:54:13 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 2009476 5.00 ug/L -0.02 24) CHLOROBENZENE-D5 21.74 117 1929740 5.00 ug/L -0.02 52) 1,4-DICHLOROBENZENE-D4 26.93 152 856437 5.00 ug/L -0.02

System Monitoring Compounds 2) 1,2-DICHLOROETHANE-D4 14.33 65 801631 5.24 ug/L -0.02 Spiked Amount 5.000 Recovery = 104.80% 3) 4-BROMOFLUOROBENZENE 24.34 174 691199 4.58 ug/L -0.02 Spiked Amount 5.000 Recovery = 91.60% 25) TOLUENE-D8 18.45 98 2460868 5.14 ug/L -0.02 Spiked Amount 5.000 Recovery = 102.80%

Target Compounds Qvalue 12) ACETONE 8.25 43 56912 6^4.12 ug/L 87 14) METHYLENE CHLORIDE 9.61 49 46908 0,11 ug/L 95 18) 2-BUTANONE (MEK) 12.00 43 121661 C— 3.86 ug/L 94 21) CHLOROFORM 12.81 83 8757 CPU 0.06 ug/L 95 66) 1,4-DICHLOROBENZENE 27.00 146 9469 -0L 0.07 ug/L 91

(#) = qualifier out of range (m) = manual integration 2712.D HP021102.M Wed Feb 13 09:45:51 2002 Page 1

NYC-WTC_000019700

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NYC-WTC_000019700Source: NYC Law Department, mirrored locally

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Fragmented document page from DEP Box 17 folder dated early February 2002 containing illegible text and sample identifiers.

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