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GCMS blank analysis results for nitrosamines and chlorobenzenes, Feb 27,

Machine-extracted title · confidence 50%

Laboratory report documenting GCMS analysis of a method blank for volatile organic compounds on February 27, 2002.

NYC-WTC_000003904–000003910

Folder label: “GCMS X 1/28/02 A 2/25/02

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Scanned page image, NYC-WTC_000003908
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OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

Data File : C:\MSDCHEM\1\DATA\022502\LBA0225.D Vial: 31 Acq On : 25 Feb 2002 2:47 pm Operator: McLean / Sample : LAB BLK Inst : Instrumen Mise : Multiplr: 1.00 MS Integration Params: LSCINT.P

Method : C:\MSDCHEM\l\5973N\5080202.M (RTE Integrator) Title : Quantitation For Method 508gcscan 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 corr. corr. % of # min scan scan scan TY height area % max. total

1 9.579 712 717 734 rBV 1542585 3937086 68.57% 12.719% 2 13.053 1095 1100 1115 rBV 2855872 5315963 92.58% 17.174% 3 18.160 1658 1663 1676 rBV 2932387 5614445 97.78% 18.138% 4 22.523 2138 2144 2158 rBV2 2734884 5741898 100.00% 18.550% 5 27.466 2684 2689 2698 rBB 410867 756297 13.17% 2.443%

6 30.332 2999 3005 3019 rBV2 2475558 5560904 96.85% 17.965% 7 34.214 3426 3433 3447 rBV 1684782 4026871 70.13% 13.009%

Sum of corrected areas: 30953464

BA0225.D 5080202.M Wed Feb 27 09:01:02 2002 Page 1

NYC-WTC_000003908

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NYC-WTC_000003908Source: NYC Law Department, mirrored locally

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