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GCMS blank analysis results, Feb 25-26 2002

Machine-extracted title · confidence 90%

Laboratory report showing GC/MS analysis results for a blank sample testing specific compounds on February 25 and 26, 2002.

NYC-WTC_000003425–000003443

Folder label: “GCMS X 1/20/02 A 2/25/02”

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Scanned page image, NYC-WTC_000003428
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

Data File : C:\MSDCHEM\1\5973N\02FEB25\0116B.D Vial: 1 . Acq On : 25 Feb 2002 11:14 am Operator: Sample : lab blank 1/16 Inst : Instrumen Mise : February 25, 2002 Multiplr: 1.00 MS Integration Params: LSCINT.P

Method : C:\MSDCHEM\1\METHODS\METHODS\HP022102.M (RTE Integrator) Title : 508 scan method Smoothing : OFF Filtering: 5 Sampling : 2 Min Area: 100 Area counts Start Thrs: 0.2 Max Peaks: 2 0 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 3.611 19 21 27 rBV 21069 47094 0.46% 0.086% 2 3.916 43 48 51 rBV 13069 22985 0.23% 0.042% 3 4.367 85 88 95 rVB 17589 32682 0.32% 0.060% 4 4.638 ill 112 117 rVB3 5831 13213 0.13% 0.024% 5 5.507 179 189 195 rBV2 5777 16697 0.16% 0.030%

6 5.959 225 229 243 rBV 29608 104049 1.02% 0.190% 7 6.580 279 284 287 rW 5408 12132 0.12% 0.022% 8 7.110 325 331 335 rBV3 5761 15642 0.15% 0.029% 9 9.436 533 537 543 rVB2 3527 11734 0.12% 0.021% 10 9.707 557 561 581 rBV 3065175 6589498 64.70% 12.029%

11 12.540 807 812 817 rVB 34225 60901 0.60% . 0.111% 12 13.195 865 870 875 rBV 4915499 9443091 92.72% 17.239% 13 13.376 885 886 891 rVB 9547 14273 0.14% 0.026% 14 18.332 1319 1325 1331 rBV 5184888 9978378 97.98% 18.216% 15 22.283 1671 1675 1681 rBV 21780 44563 0.44% 0.081% 16 22.633 1701 1706 1711 rBV2 4822382 10184228 100.00% 18.592% 17 24.857 1899 1903 1915 rVB 7201 21166 0.21% 0.039% 18 27.724 2153 2157 2163 rBV 542497 929199 9.12% 1.696% 19 30.490 2397 2402 2437 rBV 3929356 9576339 94.03% 17.482% 20 34.407 2743 2749 2783 rBV 2791071 7660702 75.22% 13.985%

Sum of corrected areas: 54778566

0116B.D HP022102.M Tue Feb 26 08:30:41 2002 Page 1

NYC-WTC_000003428

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NYC-WTC_000003428Source: NYC Law Department, mirrored locally

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