GCMS surrogate recovery results for sample AE00278, Jan 2002

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Laboratory record documenting GCMS surrogate recovery data for sample AE00278 analyzed on January 10, 2002.

NYC-WTC_000050856–000050874

Folder label: “GCMS X 1/7/02 A 1/9/02”

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NYC 9/11 Public Portal Document

Data File : C:\MSDCHEM\1\5973N\O2JANO9\278.D Vial: 3 Acq On 9 Jan 2002 7:50 pm Operator: Sample : 508 scan ext 1/7 Inst : Instrumen Mise : January 9, 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 2 2-Butenal, 3-methyl- $$ Cro... Concentration Rank 4 R.T. EstConc Area Relative to ISTD R.T. 4.84 0.22 ug/L 106061 1,4-Dichlorobenzene-d4 9.72

Hit# Of 5 Tentative ID MW MolForm CAS# Qual

1 2-Butenal, 3-methyl- $$ Crotonal... 84 C5H8O 000107-86-8 74 2 2-Butenal, 3-methyl- (CAS) $$ 3-... 84 C5H80 000107-86-8 74 3 Furan, 2,3-dihydro-4-methyl- (CA... 84 C5H80 034314-83-5 68 4 Furan, 2,3-dihydro-4-methyl - 84 C5H8O 034314-83-5 64 Abundance Scan 128 (4.835 min): 278.D (-) m/ z 84.00 100.00% 84 55

5000 39 59

44 50 . 4 40 4.60 4.80 5.00 ' 5.20

m/z-> 01 1 i ■1 < • i ' ■ « ’ i । 20 25 30 35 40 45 50 lulul 69 79 — ----- 1111 ’ I ■ ■ 1 ■ i 55 60 65 70 75 80 85 90 95 m/z 55.10 71.89% Abundance #3222: 2-Butenal, 3-methyl- $$ Crotonaldehyde, 3-methyl- $... 84 55

39 5000 27 4.40 4 60 4.80 5.00 5.20 m/z 83.00 50.39%

m/z-> Of 20 ■ i ■ ■ ■ ■ । ■ I • • । ■ ■ ■ > । • I ■‘ 25 30 35 44 pllp 40 45 l 50 55 60 65 70 75 80 85 -H 69 1 I' ' ' ' I 1 IJ 90 ' 1 I 95 Abundance #3221: 2-Butenal, 3-methyl- (CAS) $$ 3-Methyl-2-butenal $$... 84 55 ‘Idtvv’IC’T’" 4.40 4.60 4.80 5.00 5.20 39 m/ z 59.10 47.22% 5000 27

m/z-> 01 IPIPTTTT ‘ i' 11' I' 44 69 L — ■ ।' ■ > > । * 11 >1 >1 r < t. ।. 111 > 20 25 30 35 40 45 50 55 60 65 70 75 80 85 ■ r '1 ■ i 90 95 Abundance #3351: Furan, 2,3-dihydro-4-methyl- (CAS) $$ 4-METHYL-2.3-... 55 84 -A 4.40 4.60 4.80 5.00 5.20 m/ Z 39.10 46.34%

5000 41

69 44 51 0 ' ■ i ■' ■' i ■''111 ■ ■' i ■' 1 । r4 Ipre 11 ■ > i ■ > + - A... N.W , J. , WIM , m/z-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 4.40 4.60 4.80 5.00 5.20

278.D SCAN508.M Thu Jan 10 11:51:44 2002 Page 4

NYC-WTC_000050864

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