DEP GCMS data table, Jan-Feb 2002

NYC 9/11 Public Portal Document Library Search Compound Report . Data File : C:\MSDCHEM\1\5973N\02FEB27\02455.D vial : 6 Acq On : 27 Feb 2002 7:28 pm Operator: Sample : 508 scan 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 2 2,2-dimethoxybutane Concentration Rank 4 R.T. EstConc Area Relative to ISTD R.T. 4.24 0.36 ug/L 174182 1,4-Dichlorobenzene-d4 9.72 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2,2-dimethoxybutane 118 C6H14O2 003453-99-4 83 2 2,2-Dimethoxybutane 118 C6H14O2 003453-99-4 74 3 Glycine, methyl ester $$ NH2CH2C... 89 C3H7NO2 000616-34-2 42 4 Thiazole, tetrahydro- $$ Thiazol... 89 C3H7NS 000504-78-9 36 Abundance Scan 77 (4.248 min): 02455. D (-) m/ z 87.10 100.00% 87

55 43 5000 —

103 —A 3.80 4.00 4.20 4.40 4.60 71 i49 amgoangoppnog /z-> 01 " r'111 4 i . th nil 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105110 < 11111111 mt m/z 89.00 89.58% Abundance #17889: 2,2-dimethoxybutane 55 87

5000 ____ _ _____ . ________ 1 i ''iii'1' 45' 3.80 4.00 4.20 4.40 4.60 27 m/z 55.10 60.75% 92 103 mfe-> 33 Ot '' I " " I' TTTTTTTTTT — -mmmmmmT -mmmp 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105110 Abundance #17888: 2,2-Dimethoxybutane 55 87 N ma , Mijansajas 3.80 4.00 4.20 4.40 4.60 5000 m/z 43.10 53.84% 45 27 40

m/z-> 0 " I" " I' 33 "I... m " " r "' r "' i ‘" 'i" " ir 92 103 |111' 111111" I' I

20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 ITT / . , / _ AA /A a

Abundance #5025: Glycine, methyl ester $$ NH2CH2COOCH3 I 1 ' ' ' I 1 ' ' 1 I ' ' ' ' | ' f 1 I ' ' ‘ 89 3,80 4.00 4.20 4.40 4.60 m/z 45.10 17.67%

5000 44 , 59 0 I' ■ ■ ■ i I" " i 1 54 J, 66 TTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTT TTPg .A.... N -

/z-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 3.80 4.00 4.20 4.40 4.60

32455.D HP022102.M Thu Feb 28 08:47:42 2002 Page 4

NYC-WTC_000005113