GCMS surrogate recovery results, sample AE03021, March 2002

NYC 9/11 Public Portal Document Mpt uli ECPUL L

Data File C:\MSDCHEM\l\DATA\022802\03020.D Vial: 13 Acq On 1 Mar 2002 10:11 pm Operator: McLean Sample 2/12/02 GC SCAN Inst Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.P

Quant Method : C:\MSDCHEM\1\5973N\5080202.M (RTE Integrator) Title : Quantitation For Method 508gcscan Library : C:\DATABASE\WILEY7N.L

Peak Number 1 2,2-dimethoxybutane Concentration Rank 2

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

3.86 0.43 ug/L 132238 1,4-Dichlorobenzene-d4 9.58

Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 2,2-dimethoxybutane 118 C6H14O2 003453-99-4 83 2 2,2-Dimethoxybutane 118 C6H1402 003453-99-4 78 3 Thiazolidine (CAS) $$ Tetrahydro... 89 C3H7NS 000504-78-9 59 4 Thiazole, tetrahydro-89 C3H7NS 000504-78-9 42 Abundance Scan 87 (3.865 min): 03020.D (- m/z 87.10 100.00% 55 87 8000

6000

4000

2000 45 Aa..... । । 71 103 3.60 3.80 4.00 4.20

m/z-> - 20 30 40 50 60 44— 1 I.. 70 ' ' 1 1 80 ■ i ' i - 90 100 110 m/z 89.10 93.84%

Abundance #17889: 2,2-dimethoxybutane 43 87 55 8000;

6000: 29

4000 3.60 3.80 4.00 4.20 m/z 55.10 93.04% 2000: 103 I I 63 71 m/z-> 20 30 40 ,49 50 —4 +1 ‘ i r. | . . 493 —7 60 70 80 90 100 110 Abundance #17888: 2,2-Dimethoxybutane 43 87 55 8000 —A44— —PMATPT 6000: 29 3.60 3.80 4.00 4.20 m/z 45.10 24.13% 4000

2000: 65 71 81 i 103 . , .,36 I 49 , TT 93 1 Ut’m t 1 ' 17 I1 m/z-> 20 30 40 50 60 70 80 90 100 110 Abundance #5047: Thiazolidine (CAS) $$ Tetrahydrothiazole $$ 1-Thia-... 89 ' ■ i ' ' ' ' i ‘ I’’ 3.60 3.80 4.00 4.20 8000 m/z 57.10 19.21% 6000

4000 45 59 2000

1 ' i ' ' ■ ■ I ' 1 1 1 1 1 152.4,. , 70, ,76 | , |i........... 105 ■ ■ i • > ■ > । ' ' i ■ ' ' ' i ' ' m/z-> 20 30 40 50 60 70 80 90 100 110 3.60 3.80 4.00 4.20

3020.D 5080202.M Mon Mar 04 05:43:51 2002 Page 3

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