GCMS reference standard results, June 10 2002

NYC 9/11 Public Portal Document Llbrary searen compound Report Data File C:\MSDCHEM\1\DATA\060602\12743.D Vial: 6 Acq On 6 Jun 2002 3 :22 pm Operator: McLean Sample 6/3 eh Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1\METHODS\060302.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L Peak Number 7 Methane, chlorodifluoro­ Concentration Rank 2

R.T. EstConc Area Relative to ISTD R.T. 3.88 3.72 ug/L 2652790 1,4-dichlorob'enzene-d4 9.90

Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Methane, chlorodifluoro- 86 CHC1F2 000075-45-6/5 2 2-Butenal, 3-methyl- 84 C5H80 000107-8628 5 3 Krypton 84 Kr 007439-90-9 5 4 Piperidine, 1,1'-dithiobis- 232 C10H20N2S2 010220-20-9 4 Abundance Scan 136 (3.878 min): 12743.D (-134) (-) m/z 84.00 100.00% 41 84 51

5000 35 72 48 38 3.60 3.80 4.00 4.20 —4 MU 0- ■ ’ I' ■ ■ ■ I' ‘ “ I ‘ ‘ ‘ ‘ I ‘ ‘ ‘' I' ‘1 ‘ I" ‘" I " " I'"' I" ' '' I "'' I ‘' 21′1′111111 m/z 41.10 91.22%

,N.Mnay mfe-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #111064: Methane, chlorodifluoro- 51

5000 3.60 3.80 4.00 4.20 m/z 51.00 79.79% 67 13 19 24 2831 3538 43 47 1 , 8588 OlTTTTTTTTTTTTTTTTHI*TTTHT 1" || ' | 'l' l| ■ > “ ] ■ “ । |-I ■ “ ■ | ■ m/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #116598:2-Butenal, 3-methyl- 84

3.60 3.80 4.00 4.20 5000 55 m/z 82.90 49.20% 41

50 . ,... 65 69........t Of 1‘1111111111111011—1000301UUII"E37I ---HH HTTIp I ‘1'11111111 ■ niz-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #33829: Krypton ■ ' i ■ ■ ' ■ i ■ ■ ■ ■ i ■ ■ ■ 1 i ■ ' 84 3.60 3.80 4.00 4.20 m/z 35.10 46.28%

5000 Aw /Mhw 42 80 0 1 ■ i ■ ■ ■ ■ 1 ■ ■ ■ ■ 1 ■ ■ ■ ■ । ■ • ■ ■ । ■ ■ ■ ■ । ■ ■ ■ ■ । ■ ■ ■' 11 । ■ । ■ ■ " 1'1" i" "i ■ ■" i ■" 'i ■ ■" 1" 1 'I ■ -rrrp-rrrpT m/z—> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 3.60 3.80 4.00 4.20

12743.D 060302.M Mon Jun 10 10:21:50 2002 Page 10

NYC-WTC_000015395