GCMS blank results for sample AE03612, March 28, 2002

NYC 9/11 Public Portal Document

4 Library Search Compound Report Data File : C:\MSDCHEM\1\5973N\02MAR08\03512.D Vial: 2 Acq On : 8 Mar 2002 4:25 pm Operator: Sample : 508 scan Inst : Instrumen Mise : March 8, 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 3 2,2-dimethoxybutane Concentration Rank 4

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

4.25 0.14 ug/L 70525 1,4-Dichlorobenzene-d4 9.72

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2,2-dimethoxybutane 118 C6H14O2 003453-99-4 74 2 2,2-Dimethoxybutane 118 C6H14O2 003453-99-4 64 3 Thiazole, tetrahydro- $$ Thiazol... 89 C3H7NS 000504-78-9 53 4 Glycine, methyl ester $$ NH2CH2C... 89 C3H7NO2 000616-34-2 42 Abundance Scan 78 (4.254 min): 03512.D (-) m/z 87.10 100.00% 87 43 55 5000 ........... \......... ;.......... 11171/1/8/1Tt-r-rT-ryi-rr 103 4.00 4.20 4.40 4.60 , , • 71 01TII’nT TOO9IEB131 ----- 109000018037701 m/z 89.00 77.55% miz-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 Abundance #17889:2,2-dimethoxybutane 87 55

5000 ■ ■ ' 1 i 1 ■ ■ ■ i ■ ■ ■ • i • ■ ■ ■ i ■ • ■ 45 4.00 4.20 4.40 4.60 27 m/z 43.00 60.72% 33 92 103 Of TTJTTTTp- TIWat Hmmmmn miz-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 Abundance #17888:2,2-Dimethoxybutane 55 87 1 * i" 4.00 ALAM 4.20 4.40 4.60 5000 m/z55.00 50.72% „ 45 27 40

miz-> Abundance 01 33 111•11 ‘i ■••1 mmmmmm + H—T—01-un/1 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 #5044: Thiazole, tetrahydro- $$ Thiazolidine $$ Tetrahydro... 43 89 92 103

.A4.00 4.20 4.40 4.60 m/z 57.00 15.44% --A 5000

30 59

0 TIWtu ’ IT —PP 13 i j. < ■. ।. I j <...!...., i. ’j * “ ‘ ”’1” “i 1 1 ! ‘ TTn 1 5 TTTTm T TIT T mfe-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105110 4.00 4.20 4.40 4.60

03512.D HP022102.M Fri Mar 15 10:09:16 2002 Page 5

NYC-WTC_000037728