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← Document results/DEP Box 25/GCMS X 5/7/02 A 5/15/02
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GCMS analysis results for sample AE10813, May 2002

Machine-extracted title · confidence 50%

Gas chromatography-mass spectrometry report for sample AE10813 showing detection of unknown compounds and surrogate recovery.

NYC-WTC_000046064–000046080

Folder label: “GCMS X 5/7/02 A 5/15/02

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Scanned page image, NYC-WTC_000046073
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NYC 9/11 Public Portal Document

' Data File : C:\MSDCHEM\1\DATA\051402\10813 .D Vial: 23 Acq On : 15 May 2002 8:17 am Operator: Mclean Sample : 5/7 kb Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e

Quant Method C:\MSDCHEM\1\METHODS\050102.M (Chemstation Integrator) Title 508 Modified GC/MS scan Library C:\DATABASE\NIST98.L

Peak Number 2 3-Buten-2-one, 3-methyl- Concentration Rank 3

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

3.72 0.45 ug/L 398685 1,4-Dichlorobenzene-d4 9.94

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 3-Buten-2-one, 3-methyl- 84 C5H8O 000814-78-8 9 2 Acetic acid, chloro-, ethyl ester 122 C4H7C1O2 000105-38-5 4 3 Chloromethyl ethanoate 108 C3H5C1O2 1000143-34-6 4 4 4-Penten-2-one 84 C5H80 013891-87-7 3 Abundance Scan 109 (3.720 min): 10813.D (-97) (-) m/z 43.10 100.00% 43

5000 84

51 3.40 3.60 3.80 4.00 m/z-> 0- 1 35 . — ■ ■ । ■ ■ ■ ■ । ■ ■ ■ ■ ■ i ■ ■ ■ ■ । ■ i'1 11 ■ 0 10 20 30 40 50 60 70 80 90 100 110 120 130 ■ ■ । > ■ ■ ■ । ■ m/z 49.10 "" 32.45% Abundance #4150: 3-Buten-2-one, 3-methyl- 43

5000 ’ 1 ' 1 1 1 1 ' I 1 ' 1 ’ 1 1 1 ' ■ I 1 ‘ ' 1 I 69 84 3.40 3.60 3.80 4.00 15 m/z 84.00 32.45%

m/z--> 2 01 1 "I rr 0 10 -4391 20 27

30 40 I

50 60 +55 TP70 80 77 90 100 TII‘‘‘TEEIIT-T"TIIIII11 110 120 130 MupoyMioo Abundance #108005: Acetic acid, chloro-, ethyl ester 29 ■ ■ ■ । ■ ■ ■ ■ । ■ ■ ■ > । ■ ■ ■ ■ । ■ ■ ■ ■ । 3.40 3.60 3.80 400 5000 m/z 86.00 32.21%

14 42 49 77 "MM.WMMPHPMMMy 0- - rl—p ‘ T11'11 r 1,1159,66 | 85 94 107 1 22 m/z-> 0 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #4957: Chloromethyl ethanoate ■ ' ■ । 1 ■ 1 ■ । ■ ■ ■ ■ । ■ 1 1 ' । 1 1 1 ■ ।

43 3.40 3.60 3.80 4.00 m/z 41.10 24.66%

5000

, , I I I I I I I I I I I I I I I I i > > I I | 51 — 73 MWMAw "MMWLhruM 0 ■ 1 ■ i 1 ■ ■ ■ । 1 ■ ■ 1 । ■ 1 1 1 । 1 1 ' ■ । m/z-> 0 10 20 30 40 50 60 70 80 90 100 110 120 130 3.40 3.60 3.80 4.00

10813.D 050102.M Thu May 16 14:15:43 2002 Page 5

NYC-WTC_000046073

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NYC-WTC_000046073Source: NYC Law Department, mirrored locally

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