GCMS blank analysis results, Feb 25-26 2002

NYC 9/11 Public Portal Document

Data File : C:\MSDCHEM\1\5973N\02FEB25\0116B.D Vial: 1 .. Acq On : 25 Feb 2002 11:14 am Operator: Sample : lab blank 1/16 Inst : Instrumen Mise : February 25, 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 11 2,5-Cyclohexadiene-l,4-dion... Concentration Rank 13 R.T. EstConc Area Relative to ISTD R.T.

13.38 0.03 ug/L 14273 Naphthalene-d8 13.20 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2,5-Cyclohexadiene-l,4-dione, 2,... 140 C6H404 000615-94-1 9 2 2,5-Cyclohexadiene-1,4-dione, 2,... 140 C6H404 000615-94-1 9 3 Imidazole, 5-[2-(aminocarbonyl)v... 137 C6H7N3O 135200-64-5 9 4 4(1H)-Pyrimidinone, 2-amino-6-(m... 140 C5H8N40 054004-20-5 9 Abundance Scan 886 (13.376 min): 0116B.D (-) m/z 140.00 100.00% 140

5000 66 84 49 13.00 13.20 13.40 13.60 13.80 0 1‘‘*I**1****11* ‘ • i * TII m/z 136.10 24.60% iz-> 30 40 50 60 70 80 90 100 110 120 130 140 Abundance #35122:2,5-Cyclohexadiene-1,4-dione, 2,5-dihydroxy- $$ p-... 1-0

5000 42 71 13.00 13.20 ‘l3'40 13.60 13.80 m/z 66.00 24.30% 53 89...... 112.......... 0+Ti 1 1 1 1 1 1 ■ i ‘ ' i • ‘ - niz-> :30 40 50 60 70 80 90 100 110 120 130 140 Abundance #35123:2,5-Cyclohexadiene-1,4-dione, 2,5-dihydroxy- 1-0

42 13.00 13.20 13'40 13.60 13.80 5000 m/z 137.10 23.10% 69

Of I ■ ■ 1 1 i 53 M TLT 84 94 112 — miz-> Abundance 30 40 50 60 70 90 80 100 110 120 #32536: Imidazole, 5-[2-(aminocarbonyl)vinyI]- 130 140 ... I[............ . 44 13.00 13.20 13.40 13.60 13.80 93 m/z 84.00 18.99% 137 5000 84 121 57 66 109 O1144**1* ■ ' i ■ ■ • • i • ■ • i•■■>!• ■ ■ i ■ ■ ■ i ■ ' ■ ■ i ■ ■ 1 f ■ * • ■ । iz—> 30 40 50 60 70 80 90 100 110 120 130 140 13.00 13.20 13.40 13.60 13.80

)116B.D HP022102.M Tue Feb 26 08:30:43 2002 Page 13

NYC-WTC_000003440