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GCMS analysis comments for sample AD25874, Dec 2001

Machine-extracted title · confidence 95%

Laboratory commentary on GCMS scan of sample AD25874 dated December 13, 2001, identifying tetrachloroethane and noting a blank analysis.

NYC-WTC_000030719–000030730

Folder label: “GCMS SCAN X 10/31/01 AN 11/21/01

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Scanned page image, NYC-WTC_000030728
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NYC 9/11 Public Portal Document

Library Search Compound Report

Data File : C:\HPCHEM\1\DATA\NOV2101\25874.D Vial: 5 Acq On : 21 Nov 2001 3:17 pm Operator: 209 GALOS Sample : gc/ms unknown Inst : GC/MS 209 Mise Multiplr: 1.00 MS Integration Params: LSCINT.P

Quant Method : C:\HPCHEM\1\METHODS\NP103001.M (RTE Integrator) Title : 209 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 2 2-Pentanone, 4-hydroxy-4-methy Concentration Rank 1

R.T. EstConc Area Relative to ISTD R.T.

7.73 4.98 ug/1 994974 1,4-Dichlorobenzene-d4 11.72

Hit# Of 5 To tative ID MW MolForm CAS# Qual 12-Pentanone/ 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 50 2 Acetic acid, 1,1-dimethylethyl este 116 C6H1202 000540-88-5 33 3 Acetone / 58 C3H60 000067-64-1 10 4 Butane, 1/ethoxy- 102 C6H140 000628-81-9 9 Abundance Scan 293 (7.731 min): 25874.D (-) m/z 42.95 1 00.00% 43

59 5000 101 1nnnT TIndat

mlz~> Abundance - , — ,, ^ll .1 • 48 10 20 30 40 53., 67 74 83 88 ■ I ■ 11 Ontueuruurinttu —nr 50 60 70 80 #64275: 2-Pentanone, 4-hydroxy-4-methyl- 90 100 110 m/z 70 7.40 7.60 7.80 8.00

43 5000 TTTTma—uuur TTTuT । । । 59 7.40 7.60 7.80 8.00 15 m/z 101.05 23.37%

L 31 83 101 . . । • *|* . । ‘ । i . TTH 1——— rt 1 1 ■ 1 1 I1 ‘ 1 1 1 1'1 1 1 I 1 1 1 1 r1 miz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #3292.Ac. tic acd 1 1-dimet! hyl ester 43 • ‘ i • ■ l ■ ■ ■ ■ | । i TTp-i i i । 7.40 7.60 7.80 8.00 5000 57 m/z 58.05 17.91%' 101 15 27 TLBB—OmnTm)TT i ■ 1 ■ ■ i ■ 1 ■ ■ i • 1-1 1 1 1 1 1 1 I 1 1 1 1 1 1 miz-s 10 20 30 40 50 60 70 80 90 100 110 Abundance #62322: Acetone . . IT r . IT i I | r TTTTr T T 43 7.40 7.60 7.80 8.00 m/z 41.00 7.56% I 5000 58 27 -II 1 T 1 - ■ d—n—nurh—uuhun—peuer TTTTirr । । । i TTTPTPF m/z~> 10 20 30 40 50 60 70 80 90 100 110 7.40 7.60 7.80 8.00

25874.D NP103001.M Tue Dec 11 09:25:17 2001 Page 2

NYC-WTC_000030728

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NYC-WTC_000030679 · Box DEP Box 21

Gas chromatography-mass spectrometry scan record from late October to November 2001 regarding environmental sample analysis.

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