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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 138 of 159→
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NYC 9/11 Public Portal Document

Data File C:\HPCHEM\l\DATA\02FEB08\2575FB.D Vial: 15 Acq On 9 Feb 2002 4:01 am Operator: 201-wb Sample nyc 524 filed bl Inst : GC/MS Ins Mise Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Time: Feb 13 9:38 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 15.09 114 2012540 5.00 ug/L -0.02 2 4) CHLOROBENZENE-D5 21.74 117 1930789 5.00 ug/L -0.02 52) 1,4-DICHLOROBENZENE-D4 26.93 152 856119 5.00 ug/L -0.02

System Monitoring Compounds 2) 1,2-DICHLOROETHANE-D4 14.33 65 801137 5.23 ug/L -0.02 Spiked Amount 5.000 Recovery = 104.60% 3) 4-BROMOFLUOROBENZENE 24.34 174 686969 4.54 ug/L -0.02 Spiked Amount 5.000 Recovery = 90.80% 25) TOLUENE-D8 18.45 98 2445225 5.11 ug/L -0.02 Spiked Amount 5.000 Recovery = 102.20%

Target Compounds Qvalue 12) ACETONE 8.25 43 78920 5.70 ug/L 99 14) METHYLENE CHLORIDE 9.61 49 50754 0.44 1 ug/L 97 15) METHYL TERT BUTYL ETHER 9.93 73 16261 0.13 ug/L 90 18) 2-BUTANONE (MEK) 12.00 43 122419 3.88 ug/L 100 21) CHLOROFORM 12.81 83 10792 0.07 ug/L 89

(#) = qualifier out of range (m) = manual integration 2575FB.D HP021102.M Wed Feb 13 09:38:43 2002 Page 1

NYC-WTC_000019708

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NYC-WTC_000019708Source: 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.

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

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