GCMS analysis results for sample AD31401, Feb 11, 2002

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Laboratory report documenting gas chromatography-mass spectrometry analysis of environmental sample AD31401 conducted on February 11, 2002.

NYC-WTC_000016293–000016301

Folder label: “GCMS X 12/28/01 A 1/17/02”

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NYC 9/11 Public Portal Document

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Data File : C:\HPCHEM\1\DATA\JAN1602\31401.D Vial: 24 Acq On : 17 Jan 2002 10:07 am Operator: 209 GALOS Sample : gc/ms scan 12/28 Inst : GC/MS 209 Mise Multiplr: 1.00 MS Integration Params: LSCINT.P

Quant Method : C:\HPCHEM\1\METHODS\GCMS0103.M (RTE Integrator) Title : 209 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 1 1,3-Dioxolane, 2-methyl- Concentration Rank 1

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

7.45 4.15 ug/1 1229050 1,4-Dichlorobenzene-d4 11.50

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 1,3-Dioxolane, 2-methyl- 88 C4H802 000497-26-7 9 2 N-Ethylformamide 73 C3H7NO 000627-45-2 9 3 Silane, tetramethyl- 88 C4H12Si 000075-76-3 9 4 Pentane , 3 -methoxy- 102 C6H140 036839-67-5 9 Abundance Scan 262 (7.446 min): 31401 .D (-) m/z 73.0,0 100. 00% 73

5000 43 ‘1 1 1 * 87 7.20 . 7.40 7.60 7.80 ....................... 381, | 50 55. 60 67, i 103 ■ ■ i ■ • ■ ■ i ■ ■ 1 • i ■ ■ ■ 1 I1 11 4 1 •• • ' | ' ' ' > I' Ir • i • • • 1 i ■ ■ ■ ' i ■ ■ ■ ■ f ■ m/z 43.0.0 32.26% miz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #62902: 1,3-Dioxolane, 2-methyl- 73

5000 43 11 ■ ■ । ■1* i1 — i > 11. 7.20 7.40 7.60 7.80 58 m/z 41.0.0 11.83% 87 1 ------- 27 i • > i • • . ....... I,..... I............... i ■ ■ ■ ■ i ' 1 ■ ■ i 1 ' 1 1 1 1 ' 1 ' 1 1 1 1 ' 1 1 Wz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance 2202: N-Elltylformam de 30 73 -PPmmp 7.20 7.40 7.60 7.80 5000 m/z 45.0,5 11.37% 44 58

i> 15 . . । . . . . । J . 1 .' I 1 ' ■ • i ■ 1 • ■ i 1 • ■ 1 i ■ • • ■ i ■ ■ ' • i • ‘ ■ i ' ' 1 • i 1 1 ' 1 I 1 m/z-> 10 20 ;30 40 50 60 70 80 90___ 100 110 Abundance #62932: Silane, tetramethyl- i T | TT i i i 1OMT7 -[ -r i 73 7.20 7.40 7.60 7.80 m/z 71.0.0 6.84% 5000

45 15 I 53 59 88 ■ • i ■ ■ i • • • • i • • T—tmaI ■ ■ i • ■ ■ ' i ■ ' • ■ i 1 ■ • 1 i ■ 111117 i > । i । n 1** j n r miz-> 10 20 30 40 50 60 70 80 90 100 110 7.20 7.40 7.60 7.80

31401.D GCMS0103.M Thu Feb 07 12:34:37 2002 Page 1

NYC-WTC_000016300

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NYC-WTC_000016300Source: NYC Law Department, mirrored locally

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