GCMS blank analysis results for May 2002

NYC 9/11 Public Portal Document

Data File C:\MSDCHEM\1\DATA\050902\0508LB.D Vial: 4 Acq On 9 May 2002 5:43 pm Operator: Mclean Sample 5/8 kb Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1\METHODS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L ********************************************************************* Peak Number 10 2,3,4-Trimethoxycinnamic acid Concentration Rank 17

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

31.12 0.20 ug/L 184668 Chrysene-dl2 30.81

Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 2,3,4-Trimethoxycinnamic acid 238 C12H1405 033130-03-9 9 2 Selenolo[2,3-b l]benzothiophene 238 C10H6SSe 040197-95-3 7 3 Selenolo[3,2-b 1]benzothiophene 238 C10H6SSe 040197-98-6 7 4 [1]Benzoselenopheno[3,2-b]thiophene 238 C10H6SSe 037958-13-7 7 Abundance Scan 4773 (31.123 min): 0508LB.D (-4771) (-) m/z 119.80 100.00% 110

106 238 84 5000 207

40 30.80 31.00 31.20 31.40 0 —HP i 1 ■ 1 1 i ■ m/z 105.90 65.33% lz-> 0 20 40 60 80 100 120 140 160 180 200 220 240 A Abundance #90973: 2,3,4-Trimethoxycinnamic acid 2.18

207 163 5000 179 30.80 31.00 31.20 31.40 191 m/Z 238.10 57.33% 15 28 39 53 65 77 91 107 121 135 151 iz—> 0 0— 20 40 60 80 100 120 140 160 42 180 200 220 240 Abundance #90943: Selenolo[2,3-b][1]benzothiophene 158 238 /................... 30.80 31.00 31.20 31.40 5000 m/z 240.20 52.67% 114

m/z-> 0 4 0 20 40 60 80 100 120 145 - 140 160 193 J ■I TT | ! I ■ I | I ! I"r I 180 200 220 240 Abundance #90944: Selenolo[3,2-b][1 ]benzothiophene ■ ■ । > ■ ■ ■ । i ■ ■ ■ ■ i ' ' 158 238 30.80 31.00 31.20 31.40 m/z 83.90 50.67%

5000 } 114 6375 87 102 I i126 145 193 0 — - 11 i ■ ' ■ 1 i * ■ ■ ■ i ‘ /z-> 0 20 40 60 80 100 120 140 160 180 200 220 240 30.80 31.00 31.20 31.40

0508LB.D 050102.M Tue May 14 10:15:00 2002 Page 13

NYC-WTC_000022981