GCMS analysis results for sample AD31644, Jan 28 2002

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Laboratory report showing GCMS analysis of sample AD31644 including unknown compounds and surrogate recovery data.

NYC-WTC_000049990–000050007

Folder label: “GCMS X 1/3/02 A 1/17/02”

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NYC 9/11 Public Portal Document ulDLaly bedci tompounu KepLt

Data File : C:\MSDCHEM\1\5973N\02JAN17\31644.D Vial: 4 • Acq On : 17 Jan 2002 5:19 pm Operator: Sample : 508 scan Inst : Instrumen Mise : January 17, 2002 Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\MSDCHEM\1... \SCAN508.M (RTE Integrator) Title : 508 scan method Library : C:\DATABASE\WILEY7N.L ********************************************************************* Peak Number 4 2-Butenal, 3-methyl- $$ Cro... Concentration Rank 4 R.T. EstConc Area Relative to ISTD R.T. 4.82 0.27 ug/L 107924 1,4-Dichiorobenzene-d4 9.71 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 2-Butenal, 3-methyl- $$ Crotonal... 84 C5H80 000107-86-8 74 2 2-Butenal, 3-methyl- (CAS) $$ 3-... 84 C5H80 000107-86-8 74 3 Furan, 2,3-dihydro-4-methyl- (CA... 84 C5H80 034314-83-5 64 4 2-Butenal, 3-methyl- 84 C5H80 000107-86-8 64 Abundance Scan 127 (4.824 min): 31644.D (-) m/ z 84.05 100.00% 84 55

5000 41

— 50 71 103 4.40 4.60 4.80 5.00 5.20 01 — —mpmphpm m/z 55.10 71.79% n/z-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105110 Abundance #3222: 2-Butenal, 3-methyl- $$ Crotonaldehyde, 3-methyl- $... 84 55

5000 39 -Nii A. 27 4.40 4.60 4.80 ‘ 5.00 5.20' m/z 59.10 54.11% 69 Of 141071 ■ * t > > 111 ‘ ।1 I ‘ “1 i “ “ i ‘ 'I“ 11 H~l I I : I 11 11 I I 11 I I I I > I I I < <-

niz-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105110 Abundance #3221:2-Butenal, 3-methyl- (CAS) $$ 3-Methyl-2-butenal $$... 84 55 i 1 ■ ■ 1 । A A 4.40 4.60 4.80 5.00 5.20 39 m/z 41.10 45.40% 5000 27

44 50 69 Of " i11111 ■ mp -HHHH mmTT mpmmmmpr n/z—> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105110 Abundance #3351: Furan, 2,3-dihydr-4-methyl- (CAS) $$ 4-METHYL-2,3-.. 55 81 —4 4.40 5.20 m/ z 83.00 44.68% 5000 41

69 50 I 0 — Tapmg" T12111111111111722713711rr I • ' ‘ ' I ‘ 1 ' ‘ I ‘ ‘ ' I ‘ ‘ ‘ ‘ I ‘ ‘ /z—> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105110 4.40 4.60 4.80 5.00 5.20

31644.D SCAN508.M Tue Jan 22 08:37:18 2002 Page 6

NYC-WTC_000049999

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GCMS analysis results for sample AD31670, Jan 28 2002 · Box DEP Box 28

NYC-WTC_000050008

Laboratory report showing GCMS analysis of sample AD31670 including unknown compounds and surrogate recovery data.

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