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GCMS analysis results for sample AD26682, Dec 10 2001

Machine-extracted title · confidence 100%

Laboratory report documenting GCMS analysis of sample AD26682 identifying unknown compounds on December 10, 2001.

NYC-WTC_000032093–000032113

Folder label: “GCMS X 11/7/01 A 12/6/01

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Scanned page image, NYC-WTC_000032103
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NYC 9/11 Public Portal Document

Library Search Compound Report

Data File C:\HPCHEM\l\DATA\DEC0501\26682.D Vial: 2 Acq On 5 Dec 2001 9:41 am Operator: GALOS Sample gc/ms unknown 11/7 Inst : GC/MS Ins Mise Multiplr: 1.00 MS Integration Params: LSCINT.P

Quant Method : C:\HPCHEM\1\METHODS\NP112701.M (RTE Integrator) Title : 208 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L

Peak Number 3 Oxepane, 2,2,4-trimethyl- Concentration Rank . 3

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

5.14 2.15 ng/uL 742323 1,4-Dichlorobenzene-d4 11.86

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Oxepane, 2/2,4 - trimethyl- 100 C6H120 023120-44-7 38 2 Pentane, 2,4-dimethyl- 100 C7H16 000108-08-7 27 3 Oxirane, tetramethyl- 100 C6H120 005076-20-0 27 4 Oct an, , 7-hydroxy-3,7-dimethyl- 172 C10H20O2 000107-75-5 23

JL 'Abundance Scan 32 (5.138 min): 26682.D (-) m/z 41.05 100.00% 41 59

5000

71 47 531 5.00 5.20 5.40 5.60 m/z-> 36.+ t ” " r ‘ ‘i 4 1111■111'li | . ............. Tptt TT 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 m/z 100 5 . 10 75.62% Abundance #1525: Oxepane, 2,2,4-trimethyl- 43 59

5000 5.00 5.20 5.40 5.60 m/z 56.10 72.45%| 31 TTTTTTTTTTTTT ’ I ■ ■ " I frrrrr 85 100 TTITTTTTTTTTTT 111111111 i' " • i" ■' i m/z-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 'Abundance #1594: Pentane. 2,4-dimethyl- 43 57 5.00 5.20 5.40 5.60 5000 m/z 43.05 59.55% ! 27 85 I 69 100 i" " i" " r '" i" " i ■ ■" i " " i i ■ ■" i" ■ ■ i" " i I " " I'' " r '1' i' " ' i' " ' I " " i m/z-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 Abundance #63416: Oxirane, tetramethyl- 59 5.00 5.20 5.40 5.60 43 m/z 42.10 57.03% 5000

85 67 100 | 1111111" " r I " " I'1 " I " " I " " TTTT ' 111 i ' । r 111 । 111 1111 11 । 11 i i [ । ( ■ ■ i ■ ■ ■ ■ i > • T1111T . । . m/z-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 5.00 5.20 5.40 5.60

.26682.D NP112701.M Fri Dec 07 13:13:16 2001 Page 3

NYC-WTC_000032103

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NYC-WTC_000032103Source: NYC Law Department, mirrored locally

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