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← Document results/DEP Box 17/524 2/8/02 - 2/9/02
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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 56 of 159→
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NYC 9/11 Public Portal Document

Data File C:\HPCHEM\1\DATA\02 FEB0 8\2 5 7 7.D Vial: 7 Acq On 8 Feb 2002 10:14 pm Operator: 201-wb Sample nyc 524 Inst : GC/MS Ins Mise Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Time: Feb 13 9:39 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 15.11 114 1958583 5.00 ug/L 0.00 24) CHLOROBENZENE-D5 21.76 117 1875216 5.00 ug/L 0.00 52) 1,4-DICHLOROBENZENE-D4 26.95 152 828540 5.00 ug/L 0.00

System Monitoring Compounds 2) 1,2-DICHLOROETHANE-D4 14.36 65 752176 5.04 ug/L 0.02 Spiked Amount 5.000 Recovery = 100.80% 3) 4-BROMOFLUOROBENZENE 24.35 174 659476 4.48 ug/L 0.00 Spiked Amount 5.000 Recovery = 89.60% 25) TOLUENE-D8 18.47 98 2412075 5.19 ug/L 0.00 Spiked Amount 5.000 Recovery = 103.80% Target Compounds Qvalue 12) ACETONE 8.27 43 50538 3.75 ug/L 99 14) METHYLENE CHLORIDE 9.63 49 47091 —0.42—ug/L - 93 18) 2-BUTANONE (MEK) 12.03 43 115506 -3.70 ug/D 99 21) CHLOROFORM 12.83 83 7468 0.05 ug/L 96

(#) = qualifier out of range (m) = manual integration 2577.D HP021102.M Wed Feb 13 09:40:02 2002 Page 1

NYC-WTC_000019626

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NYC-WTC_000019626Source: NYC Law Department, mirrored locally

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NYC-WTC_000019326

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

7 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.997

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