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GCMS comments for sample AD28667, Dec 2001

Machine-extracted title · confidence 100%

Laboratory analyst notes on GCMS scan results and recovery rates for sample AD28667 analyzed in early December 2001.

NYC-WTC_000034860–000034867

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\28667.D Vial: 45 Acq On : 30 NOV 2001 6:12 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 11.562 705 710 719 rBV 57950 143526 1.92% 0.423% 2 11.700 719 725 743 rBV 2076044 5500299 73.69% 16.198% 3 15.299 1111 1117 1135 rBV 3414476 7337045 98.29% 21.608% 4 20.578 1685 1692 1704 rBV 3460743 7464600 100.00% 21.983% 5 24.993 2166 2173 2186 rBV2 2982153 6449744 86.40% 18.994%

6 30.070 2720 2726 2734 rBV 318553 629920 8.44% 1.855% 7 33.026 3041 3048 3065 rBV 1661574 3780239 50.64% 11.133% 8 37.111 3486 3493 3511 rBV2 976344 2650543 35.51% 7.806%

Sum of corrected areas: 33955916 28667.D GCMS1126.M Fri NOV 30 16:22:39 2001

NYC-WTC_000034864

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NYC-WTC_000034864Source: NYC Law Department, mirrored locally

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