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GCMS surrogate recovery results for sample AE00277, Jan 2002

Machine-extracted title · confidence 90%

Quality control report for GCMS analysis of sample AE00277 showing surrogate recovery data from January 10, 2002.

NYC-WTC_000050838–000050855

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\02JAN09\277 . D Vial: 2 Acq On 9 Jan 2002 6:59 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 4 2-Butenal, 3-methyl- (CAS) ... Concentration Rank 2

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

4.85 0.28 ug/L 123652 1,4-Dichlorobenzene-d4 9.72

Hit# Of 5 Tentative ID MW MolForm CAS# Qual

1 2-Butenal, 3-methyl- (CAS) $$ 3-... 84 C5H80 000107-86-8 62 2 2-Butenal, 3-methyl- $$ Crotonal... 84 C5H80 000107-86-8 62 3 2-Butenal, 3-methyl- 84 C5H8O 000107-86-8 53 4 Furan, 2,3-dihydro-4-methyl- (CA... 84 C5H8O 034314-83-5 52 Abundance Scan 129 (4.846 min): 277.D (-) m/z 83.95 100.00% 84

55

5000 41 59

38 44 49 , 71 4.40 4.60 4.80 5.00 5.20

m/z-> O+ "TIT 20 PHH m- 25 30 35 40 45 50 55 60 65 70 75 80 i ■ ■ ■' i ■ ■ 85 90 95 m/z 55.10 63.77% Abundance #3221:2-Butenal, 3-methyl- (CAS) $$ 3-Methyl-2-butenal $$... 84 55

5000 27 39 A 4.40 4.60 4.80 5.00 5.20 M A.. m/Z 83.10 47.46% 44 51 I 69 01 '' i ' ■ ' ■ i ' ■ i ■ ■ • • । • I • ' THH i1 — 'i" 11T rn/z--> 20 25 30 3540 45 50 55 60 65 70 75 80 85 90 95 Abundance #3222: 2-Butenal, 3-methyl- $$ Crotonaldehyde, 3-methyl- $... 84 55 11 | । । | । । r i ' >■ 1 1 i 1 1 1 ■' r ' ‘ 4.40 4.60 4.80 5.00 5.20 39 m/ z 59.10 45.37% 5000 27

m/z-> 0 ■' i ' ■ ' ■ i r TTTTTTH - ri 11 20 25 30 35 40 45 50 55 60 65 70 75 80 85 44 ----- JI 69

90 95 Abundance #3224: 2-Butenal, 3-methyl- A........ A4A, 84 4.40 4.60 4.80 5.00 5.20 m/ Z 41.00 43.00%

NN 5000 55 41

m/z-> 0 ■' i11 b • i ■ ■ ■' i ■ • ■ ■ i ■ ■' ■ i 1 20 25 30 35 40 45 50 50 17 + -mmPP 66 69 55 I 60 65 70 75 80 85 r i ' ■ ’1 I 90 95 A A 4.40 4.60 4.80 AA 5.20 5.00

277.D SCAN508.M Thu Jan 10 11:51:36 2002 Page 6

NYC-WTC_000050848

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NYC-WTC_000050848Source: NYC Law Department, mirrored locally

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