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GCMS analysis results, sample AE09968, May 2002

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Gas chromatography-mass spectrometry analysis report for sample AE09968, detecting unknown compounds and 2,4-DDD surrogate with 78% recovery, dated May 9, 2002.

NYC-WTC_000043938–000043957

Folder label: “GCMS X 4/25/02 A 5/7/02

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NYC 9/11 Public Portal Document

Library Search Compound Report

Data File C:\MSDCHEM\1\DATA\050602\9968.D Vial : 25 Acq On 7 May 2002 7:14 am Operator: Mclean Sample 4/25 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 1 3-Buten-2-ol, 2-methyl- Concentration Rank 3

R.T. EstConc Area Relative to ISTD R.T. 4.95 0.45 ug/L 317892 1,4-Dichlorobenzene-d4 9.94

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 3-Buten-2-ol, 2-methyl- 86 C5H10O 000115-18-4 80 2 3-Penten-2-ol 86 C5H10O 001569-50-2 64 3 Pentane, 3-bromo- 150 C5HllBr 001809-10-5 53 4 Butane, 2-bromo-2-methyl -_________ 150 C5HllBr 000507-36-8 53 Abundance Scan 319 (4.954 min): 9968. D (-308) (-) m/ z 71.10 100.00% 43 71

5000 59 ...................... \.............................

4 60 4 80 5 00 5.20 5.40 14441,5| ' 1 |"l 1 ' ' 1"u ... । 84 . I I । । । । । । । । . I । i । । . i i । | n i i । i i . i । m/z 43.10 85.86% n/z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 Abundance i#114555: 3-Buten-2-ol, 2-methyl- 43 71 vww—A—~—A VWwwMw 5000 59 4 60 4.80 5.00 5.20 5.40 m/z 41.20 46.95% 86 18 1 1 51, | i,i —— THT 11 TT1 III ( I r r I rI 1144 ‘ I i' 11 1111 11 i1'1 ■ r ■1 11 n/z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 Abundance #24376: 3-Penten-2-ol 43 71 vuPon von U w 4 60 4.80 5.00 5.20 5.40 5000 m/z 69.10 33.58% 27 53

15 86

m/z--> -4+ll +4624l 1 i । i n / । | n i i । n n | 1 1 1 i n n - i i n | i i i i | i n — 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 Abundance #6320: Pentane, 3-bromo- ■ . । . . . . । . ■ ■ . । . . . . । . . . . । . 43 71 460 4.80 5.00 5.20 5.40 m/ z 59.10 30.47%

5000 27 55 15 -TP 63 - '' 11" ' ''I I 81 93 107 121 152 ...........k...... A m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 4.60 4.80 5.00 5.20 5.40

9968.D 050102.M Tue May 07 15:47:00 2002 Page 5

NYC-WTC_000043947

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