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GCMS comments for sample AD28599, Dec 2001

Machine-extracted title · confidence 100%

Laboratory analyst notes on GCMS scan results and recovery rates for sample AD28599 analyzed in early December 2001.

NYC-WTC_000034790–000034798

Folder label: “GCMS X 11/23/01 A 11/29/01

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NYC 9/11 Public Portal Document

LSC Area Percent Report Data File : C:\HPCHEM\1\DATA\NOV2901\28652.D Vial: 41 Acq On : 30 NOV 2001 2:17 am Operator: 209 GALOS Sample : 11/23 scan Inst : GC/MS 209 Mise Multiplr: 1.00 MS Integration Params: LSCINT.P

Method : C:\HPCHEM\1\METHODS\GCMS1126.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 7.627 277 281 299 rBV 341184 949082 16.36% 3.398% 2 11.565 705 710 719 rBV 44184 105450 1.82% 0.378% 3 11.694 719 724 742 rBV 1699814 4223347 72.78% 15.120% 4 15.302 1111 1117 1132 rBV 2637657 5602085 96.54% 20.056% 5 20.571 1685 1691 1713 rBV 2655098 5802629 100.00% 20.774%

6 24.996 2166 2173 2187 rBV2 2342494 5106582 88.00% 18.282% 7 30.073 2720 2726 2733 rBV 283094 570775 9.84% 2.043% 8 33.020 3041 3047 3063 rBV2 1371205 3273525 56.41% 11.719% 9 37.114 3485 3493 3511 rBV2 828904 2299359 39.63% 8.232%

Sum of corrected areas: 27932834 28652.D GCMS1126.M Fri NOV 30 15:37:07 2001

NYC-WTC_000034794

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NYC-WTC_000034794Source: NYC Law Department, mirrored locally

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