GCMS analysis results for sample AE03250, March 2002

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Laboratory report documenting gas chromatography-mass spectrometry analysis of environmental sample AE03250 conducted on March 15, 2002.

NYC-WTC_000006186–000006205

Folder label: “GCMS X 2/12/02 A 3/01/02”

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NYC 9/11 Public Portal Document

Data File : C:\MSDCHEM\1\5973N\02MAR01\03250.D Vial: 5 . Acq On : 1 Mar 2002 7:18 pm Operator: Sample : 508 scan Inst : Instrumen Mise : March 1, 2002 Multiplr: 1.00 MS Integration Params: LSCINT.P

Quant Method : C:\MSDCHEM\1...\HP022102.M (RTE Integrator) Title : 508 scan method Library : C:\DATABASE\WILEY7N. L ********************************************************************* Peak Number 1 Butanoic acid, methyl ester... Concentration Rank 6

R.T. EstConc Area Relative to ISTD R.T. 3.62 0.14 ug/L 69636 1,4-Dichlorobenzene-d4 9.71 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Butanoic acid, methyl ester (CAS... 102 C5H10O2 000623-42-7 83 2 Butanoic acid, methyl ester (CAS... 102 C5H10O2 000623-42-7 83 3 Butanoic acid, methyl ester 102 C5H10O2 000623-42-7 83 4 Butanoic acid, methyl ester (CAS... 102 C5H10O2 000623-42-7 78 Abundance Scan 22 (3.622 min): 03250. D (-) m/z 43.10 100.00% 43 74

5000 59 87 — VV //A AA / J A ■r' i‘ i1 11' I " 1 ■ i” " ■ । "Y। ■ ■ ■ ■ i 3.50 3.60 3.70 3.80 3.90 4.00 1 49 n/z-> 01 1' 11 " ' r'1 ■ r " ■ i11 " i —mm i11' ■ r ■'11 i1" 1 r " ■ i' 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 m/z 74.00 90.64% Abundance #9228: Butanoic acid, methyl ester (CAS) $$ Methyl butyrat... 43 74

5000 '11 ■ ■ r 1111'r ■ ■ r 1'11'11' i 59 87 3.50 3.60 3.70 3.80 3.90 4.00 m/ z 71.00 66.23% 102 Ol1’1121111121112111777 H" 1' I i1111111 IT TT 111"111" " ।11" ।"'11 ■ m/z-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 Abundance #9222: Butanoic acid, methyl ester (CAS) $$ Methyl butyrat... 43 74 m 3.50 3.60 3.70 3.80 3.90 4.00 5000 m/z 41.10 35.69% 59 87

33 102 0 > 'I' " H " 11111" I " " 11 I [ > ■ ■ 111' 111 > ■ ............. "I +r ,VI 11" " i1 1' i' " 111" ' i11111" " i1 mz-> Abundance 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110

43 #9217: Butanoic acid, methyl ester 74 M 3.50 3.60 3.70 3.80 3.90 4.00 m/z 59.00 34.65%

5000 27 59 87 33 102 n/z-> 0 ■ > i" ■11 ■ .......... ■ I ■' ■ ■ I ■ —p ... ........ '"I 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 +t i " " r " 11 ■ TT IAsuyussylaryenns 00 3.50 3.60 3.70 3.80 3.90 4.00

13250.D HP022102.M Mon Mar 04 12:33:40 2002 Page 3

NYC-WTC_000006192

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