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← Document results/DEP Box 04/524 11/15/01 Instr 201
Document / 73 pages

Volatile organic compound analysis results, sample AD26986, Nov 2001

Machine-extracted title · confidence 100%

Laboratory report listing recovery percentages for volatile organic compounds in sample AD26986 from November 15, 2001.

NYC-WTC_000001439–000001511

Folder label: “524 11/15/01 Instr 201

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Scanned page image, NYC-WTC_000001481
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NYC 9/11 Public Portal Document Quantitation Report (Not Reviewed)

Data File : C:\HPCHEM\1\DATA\01nov15\27007.D Vial: 7 Acq On : 15 Nov 2001 5:54 pm Operator: 201-wb Sample : 524 Inst : GC/MS Ins Misc : November 15, 2001 Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Time: Nov 15 18:32 2001 Quant Results File: HP110701.RES

Quant Method : C:\HPCHEM\1\METHODS\HP110701.M (RTE Integrator) Title : VOCs BY EPA METHOD 524 Last Update : Thu Nov 08 08:26:02 2001 Response via : Initial Calibration DataAcq Meth : HP110701

Internal Standards R.T. Qlon Response Conc Units Dev(Min) ------------------------------------------------------------------------- 1) 1,4-DIFLUOROBENZENE 15.14 114 693047 5.00 ug/L 0.02 24) CHLOROBENZENE-D5 21.79 117 590670 5.00 ug/L 0.02 52) 1,4-DIFHLOROBENZENE-D4 26.97 152 261877 5.00 ug/L 0.02

System Monitoring Compounds 2) 1,2-DICHLOROETHANE-D4 14.37 65 422785 4.73 ug/L 0.02 Spiked Amount 5.000 Recovery = 94.60% 3) 4-BROMOFLUOROBENZENE 24.37 174 205765 3.87 ug/L 0.02 Spiked Amount 5.000 Recovery 77.40% 25) TOLUENE-D8 18.48 98 808832 4.96 ug/L 0.02 Spiked Amount 5.000 Recovery = 99.20%

Target Compounds Qvalue 5) CHLOROMETHANE 5.50 50 4000 0.16 ug/L 88 10) Isopropyl Alcohol 7.84 45 3043 4.20 ug/L 96 12) ACETONE 8.29 43 70017 8.18 ug/L 98 14) METHYLENE CHLORIDE S -s

9.65 49 296582 5.51 ug/L 94 18) 2-BUTANONE (MEK) 12.05 43 3100 0.33 ug/L 66 21) CHLOROFORM 2-') 12.86 83 1739439 26.65 ug/L 100 33) BROMODICHLOROMETHANE 4.4 16.81 83 181935 4.36 ug/L 96 42) DIBROMOCHLOROMETHANE 20.54 129 6898 0.30 ug/L 84

y G /

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= qualifier out of range (m) = manual integration (#)

27007.D HP110701.M Thu Nov 15 18:33:03 2001 Page 1

NYC-WTC 000001481

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NYC-WTC_000001481Source: NYC Law Department, mirrored locally

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