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← Document results/DEP Box 17/524 2/11/02
Document / 67 pages

VOC blank analysis results, sample AE02714, Feb 11 2002

Machine-extracted title · confidence 95%

Laboratory results for a volatile organic compounds blank (SB1524) in sample AE02714 analyzed on February 11, 2002.

NYC-WTC_000019731–000019797

Folder label: “524 2/11/02”

←Page 23 of 67→
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NYC 9/11 Public Portal Document yuancltatlOI KepOLL (NOL REVLEwEu)

Data File : C:\HPCHEM\1\DATA\02 febll\2 714.D Vial: 11 Acq On : 11 Feb 2002 7:48 pm Operator: 201-wb Sample : nyc 524 Inst : GC/MS Ins Mise Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Time: Feb 11 20:26 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 16:41:09 2002 Response via : Initial Calibration DataAcq Meth : HP021102

Internal Standards R.T. Qlon Response Cone Units Dev(Min)

1) 1,4-DIFLUOROBENZENE 15.09 114 2242519 5.00 ug/L -0.02 24) CHLOROBENZENE-D5 21.74 117 2211880 5.00 ug/L -0.02 52) 1,4-DICHLOROBENZENE-D4 26.91 152 1000585 5.00 ug/L -0.04

System Monitoring Compounds 2) 1,2-DICHLOROETHANE-D4 14.33 65 864639 5.06 ug/L -0.02 Spiked Amount 5.000 Recovery = 101.20% 3) 4-BROMOFLUOROBENZENE 24.32 174 799568 4.74 ug/L -0.04 Spiked Amount 5.000 Recovery = 94.80% 25) TOLUENE-D8 18.45 98 2795733 5.10 ug/L -0.02 Spiked Amount 5.000 Recovery = 102.00%

Target Compounds Qvalue 12) ACETONE . 8.25 43 71112 4.61 ug/L 86 14) METHYLENE CHLORIDE 9.61 49 88213 068—ug/L 98 15) METHYL TERT BUTYL ETHER 9.93 73 13186 0.09 ug/L 84 18) 2-BUTANONE (MEK) 12.00 43 131823 -3.75 ug/L 99 46) 2-HEXANONE 19.19 43 2433 0.07 ug/L 30

(#) = qualifier out of range (m) = manual integration 2714.D HP021102.M Mon Feb 11 20:27:10 2002 Page 1

NYC-WTC_000019753

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NYC-WTC_000019753Source: NYC Law Department, mirrored locally

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