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Document / 10 pages

GCMS blank analysis results, April 23, 2002

Machine-extracted title · confidence 100%

Laboratory report documenting a blank sample analysis for GCMS testing of volatile organic compounds in April 2002.

NYC-WTC_000048986–000048995

Folder label: “GCMS X 4/12/02 A 4/23/02

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Scanned page image, NYC-WTC_000048990
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

LSC Area Percent Report

Data File : C:\HPCHEM\1\DATA\APR2202\LBA.D Vial: 16 Acq On : 22 Apr 2002 11:50 pm Operator: Sample : gc/ms scan 4/12 Inst : 209 Mise Multiplr: 1.00 MS Integration Params: LSCINT.P

Method : C:\HPCHEM\1\METHODS\GCMS0412.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 8.187 338 342 359 rBV 382412 873272 22.39% 4.293% 2 12.208 775 780 794 rBV 1076930 2616803 67.09% 12.863% 3 14.815 1059 1064 1068 rVB 50934 99878 2.56% 0.491% 4 15.843 1170 1176 1184 rBV 1684817 3347992 85.83% 16.457% 5 21.149 1747 1754 1767 rBV 1927119 3900588 100.00% 19.174%

6 23.288 1979 1987 1994 rBV 160884 325109 8.33% 1.598% 7 25.593 2231 2238 2248 rBV2 1739298 3805475 97.56% 18.706% 8 25.730 2249 2253 2266 rVB 15229 43410 1.11% 0.213% 9 33.644 3105 3115 3133 rBV2 1342240 3020458 77.44% 14.847% 10 37.876 3568 3576 3590 rBV 783767 2310485 59.23% 11.357%

Sum of corrected areas: 20343470 LBA.D GCMS0412.M Tue Apr 23 14:25:32 2002

NYC-WTC_000048990

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NYC-WTC_000048990Source: NYC Law Department, mirrored locally

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