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GCMS blank analysis results for sample AE04803, April 2002

Machine-extracted title · confidence 100%

Laboratory report showing non-detectable levels of volatile organic compounds in a method blank analyzed on April 2, 2002.

NYC-WTC_000058487–000058493

Folder label: “GCMS X 3/5/02 A 3/29/02

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NYC 9/11 Public Portal Document

LSC Area Percent Report

• Data File : C:\HPCHEM\l\DATA\MAR2802\LBA.D Vial: 15 Acq On : 28 Mar 2002 10:26 pm Operator: Sample : gc/ms scan 3/5 Inst : GC/MS 209 Mise : Multiplr: 1.00 MS Integration Params: LSCINT.P

Method : C:\HPCHEM\1\METHODS\GCMS0308.M (RTE' Integrator) Title : 209 625/TCLP calibration table Smoothing : OFF Filtering: 5 Sampling : 1 Min Area: 1 % of largest Peak Start Thrs: 0.2 Max Peaks: 100 Stop Thrs : 0 Peak Location: TOP

If leading or trailing edge < 100 prefer < Baseline drop else tangent > Peak separation: 5

Signal : TIC

peak R.T. first max last PK peak peak peak % of # min scan scan scan TY height area % max. total

1 12.245 779 784 799 rVB 901200 2141570 68.26% 15.150% 2 15.881 1174 1180 1198 rBV 1290281 2728503 86.97% 19.303% 3 21.187 1752 1758 1773 rBV 1489860 3137309 100.00% 22.195% 4 25.630 2236 2242 2254 rBV2 1361163 2911289 92.80% 20.596% 5 30.707 2790 2795 2804 rVB 222652 420580 13.41% 2.975%

6 33.691 3114 3120 3137 rBV2 747697 1679356 53.53% 11.880% 7 37.932 3574 3582 3600 rBV2 370777 1116832 35.60% 7.901%

Sum of corrected areas: 14135439

LBA.D GCMS0308.M Mon Apr 01 15:52:11 2002

NYC-WTC_000058491

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NYC-WTC_000058491Source: NYC Law Department, mirrored locally

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