DEP GCMS data table, Jan-Feb 2002

NYC 9/11 Public Portal Document Library Search Compound Report

Data File : C:\MSDCHEM\1\5 9 73N\0 2FEB2 7\0 2 01B.D Vial: 1 Acq On : 27 Feb 2002 10:33 am Operator: Sample : lab blank 2/1 Inst : Instrumen Mise : February 27, 2002 Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\MSDCHEM\l-..\HP022102.M (RTE Integrator) Title : 508 scan method Library : C:\DATABASE\WILEY7N.L ********************************************************************* Peak Number 1 Butanoic acid, methyl ester... Concentration Rank 3 R.T. EstConc Area Relative to ISTD R.T.

3.62 0.15 ug/L 67058 1,4-Dichlorobenzene-d4 9.72

Hit# of 5 Tentative ID MW MolForm CAS# Qual

l 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 (CAS... 102 C5H10O2 000623-42-7 64 4 Butanoic acid, methyl ester (CAS... 102 C5H10O2 000623-42-7 50 Abundance Scan 22 (3.622 min): 0201 B.D (-) m/z 43.10 100.00% 43 74

5000 87 59 55 '' i 1' '1111111 1>111 > > > > ।11 '1 । 51 3.50 3.60 3.70 3.80 3.90 4.00 0 - 11 ‘'11'11 ‘ I 1 11111 ’ I’*’+/+*111+**I+++’1’ m/ z 74.00 98.73% n/z-> 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

- 5000 3,50 3,60 3.70 3.80 3.90 4.00 59 87 m/z 71.10 73.29% 33 102 01 ■ r ' ■ ■ i ■ .............I' I [ । > > 111 ■ । ■ 11 - +r " I ■'111' 1— m/z-> 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 Abundance #9228: Butanoic acid, methyl ester (CAS) $$ Methyl butyrat... 43 74 ‘ 1’’ 1111111’11111111111/1T 3.50 3.60 3.70 3.80 3.90 4.00 5000 m/ z 87.00 41.82% 59 87 39 55 102 Of ' r ■11111 ■' i'1 +r I " 111 ■ " ' i1 i " ■ ■ i ■ । । । ■1 • i ■ ■ i ■11 r r ■ i ‘'11 r " ' i m/z-> 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 Abundance #9227: Butanoic acid, methyl ester (CAS) $$ Methyl butyrat... 11111 ‘ ■ i ■ ’1' i'1 “ I i1 ■ ■11 43 74 3.50 3.60 3.70 3.80 3.90 4.00 m/ z 59.00 35.74%

5000 59 87 69 102 0- ■ i ■1 ■11'1111 ■1" i mPPTT fr I"".. I' '11" ■11" 11111 ■ ■ i ■ ■ ■ ■ i1 I|....... . 11'1 ' 1 ■ i ■ ■ ■' i'1'' i m/z~> 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 3.50 3.60 3.70 3.80 3.90 4.00

201B.D HP022102.M Thu Feb 28 08:46:39 2002 Page 3

NYC-WTC_000004951