GCMS analysis results, sample AD27826, January 2002

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Gas chromatography-mass spectrometry analysis of environmental sample AD27826 conducted on January 3, 2002, detecting unknown compounds and 2,4-DDD surrogate standard.

NYC-WTC_000033674–000033685

Folder label: “GCMS X 11/19/01 A 12/19 - 12/20/01”

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NYC 9/11 Public Portal Document

Library Search Compound Report

Data File : C:\HPCHEM\1\DATA\DEC19O1\27826. D Vial: 32 Acq On : 19 Dec 2001 9:31 pm Operator: 209 GALOS Sample : gc/msunknown 11/19 Inst. : GC/MS 209 Mise Multiplr: 1.00 MS Integration Params: LSCINT.P

Quant Method : C:\HPCHEM\1\METHODS\GCMS1126.M (RTE Integrator) Title : 209 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 2 2-Hexanone Concentration Rank 1

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

6.40 1.16 ug/1 388430 1,4-Dichlorobenzene-d4 11.67

Hit# Of 5 Tentative ID MW MolForm CAS# Qual 1 2-Hexanone 100 C6H120 000591-78-6 91 2 2-Hexanone 4-hydroxy-3 -propyl- 158 C9H1802 062338-17-4 72 3 Oxirane, 2 -methyl-2-(1-methylethyl) 100 C6H120 072221-03-5 64 4 Methyl Isobutyl Ketone 100 C6H120 _____ 000108-10-158 Abundance Scan 147 (6.396 min): 27826.D (-) m/z 42.95 100.00%

N 43

58 5000-

1 I ' ' ' ' I 1 1 1 1 i ■ ' ' 1 I ' ' 51 . | 11, ————71— 77 — 85 100 —— 6.00 6.20 6.40 6.60 6.80 ................. ... + TTTrt ' p1'’11 ' 1 1 I1 m/ z 58.05 54.53% m/z-__ 20__ 30 40 _.50.. 60.. 70. 80__ 90__100 110 120 130 140 Abundance #63384: 2-Hexanone 43

5000 58 TTT. T T.frr I ' ' ' 1 I' ' ' ' I 1 1 6.00 6.20 6.40 6.60 6.80 29 m/z 41.05 17.24% 85 100 TTT i । i i'11111 1 1 1 1 1 'TTT TTTTTr 71 TITT iTniz~>___ 20 30 40 50 . 60 _ 70 80 90 100 110 120 130 140 Abundance 1195270 2-0 ■ ion0, 4-hydroxy-3-propyl- 43 WJ — - I TT ( » i I , , I I [ T TT I I i l I I I t 58 6.00 6.20 6.40 6.60 6.80 5000 29 m/ z 57,. 00 14.52%

71 85 100 140 TT , TTITDTTCTTTTI , TT TTn—uuumoTTTTpTT , TTTTTTTT miz- 20__ 30__ 40__ 50__ 60_ 70 80 90 100 110 120 130 140 Abundance #1530: Oxirane, 2-methyl-2-(1-methylethyl)- J 43 6.00 6.20 6.40 6.60 6.80 58 m/z 100.05 9.72% 5000 - 71

30 52 85 100 TITTTTT T’T.'. THr 'l ' 1 1 1 TT1TTTTTT ' I ’ ' 1. —. P TT 1i1— PPP 6.00 6.20 ' ' 6.40 ' 6.60 6.80 miz-> 20 30 40 50 60 270 80 90 100 110 120 130 140

27826.D GCMS1126.M Thu Jan 03 11:16:20 2002 Page 2

NYC-WTC_000033682

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