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← Document results/DEP Box 17/524 2/21/02 - 2/22/02
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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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Scanned page image, NYC-WTC_000020267
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NYC 9/11 Public Portal Document Quantitation Report (Not Reviewed) Data File : C:\HPCHEM\1\DATA\02feb21\3804F.D Vial: 8 Acq On : 21 Feb 2002 3:06 pm Operator: 201-wb Sample : nyc; fb Inst : GC/MS Ins Mise : February 21, 2002 Multiplr: 1.00 MS Integration Params: RTEINT.P Quant Time: Feb 21 15:44 2002 Quant Results File: HP021702.RES Quant Method : C:\HPCHEM\1\METHODS\HP021702.M (RTE Integrator) Title : VOCs BY EPA METHOD 524 Last Update : Tue Feb 19 16:16:43 2002 Response via : Initial Calibration DataAcq Meth : HP021702

Internal Standards R.T. Qlon Response Cone Units Dev(Min) 1) 1,4-DIFLUOROBENZENE 15.17 114 2761987 5.00 ug/L 0.06 24) CHLOROBENZENE-D5 21.83 117 2629574 5.00 ug/L 0.07 52) 1,4-DICHLOROBENZENE-D4 27.00 152 1240926 5.00 ug/L 0.05 System Monitoring Compounds 2) 1,2-DICHLOROETHANE-D4 14.40 65 1003255 4.77 ug/L 0.06 Spiked Amount 5.000 Recovery = 95.40% 3) 4-BROMOFLUOROBENZENE 24.40 174 964159 4.64 ug/L 0.04 Spiked Amount 5.000 Recovery = 92.80% 25) TOLUENE-D8 18.52 98 3341328 5.12 ug/L 0.05 Spiked Amount 5.000 Recovery = 102.40% Target Compounds Qvalue 12) ACETONE 8.29 43 325196 17.13 ug/L 95 14) METHYLENE CHLORIDE 9.65 49 43664 0.27 ug/L 97 15) METHYL TERT BUTYL ETHER 9.98 73 19359 0.11 ug/L 94 18) 2-BUTANONE (MEK) 12.07 43 15468 0.35 ug/L 94

(#) = qualifier out of range (m) = manual integration 3804F.D HP021702.M Thu Feb 21 15:45:06 2002 Page 1

NYC-WTC_000020267

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NYC-WTC_000020267Source: NYC Law Department, mirrored locally

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