GCMS blank analysis results, sample AE11799, May 2002

NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\MSDCHEM\1\DATA\052202\521LB.D Vial: 3 Acq On : 22 May 2002 3:27 pm Operator: Mclean Sample : 5/21 ad Inst : Instrumen Mise : Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1\METHODS\052202.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L

Peak Number 9 Dicyandiamide Concentration Rank 15 R.T. EstConc Area Relative to ISTD R.T. 4.44 0.45 ug/L 280925 1,4-Dichlorobenzene-d4 9.90 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Dicyandiamide 84 C2H4N4 000461-58-5 9 2 Dicyandiamide 84 C2H4N4 000461-58-5 5 3 Phosphonic difluoride 86 F2HOP 014939-34-5 5 4 1,4-Dioxin, 2,3-dihydro- 86 C4H602 000543-75-9 4 Abundance Scan 231 (4.437 min): 521 LB.D (-229) (-) m/z 84.00 100.00 84

5000 49 58

36 40 44 4.00 4.20 4.40 4.60 4.80 ‘

Puv 0- TTTTTTTTTTT “ i ■1 11 “ “ I' ■1 ■ i “ “ i “ “ i " ■ ■■ i ■ ■ “ i m/z 86.00 57.18% /z—> 10 15 20 25 30 40 45 50 55 60 65 70 75 80 85 90 Abundance #33614: Dicyandiamide 84 43

5000- Tr‘ ' 1 I ' ' 1 1 1 1 ' 1 ‘"I 1 1 1 ' 1 1 1 68 4.00 4.20 4.40 4.60 4.80 28 m/z 58.10 23.73%| 192225,1 31 36 40 , 535659 । 0 TBuppdukumtttt TTTTTTTTITT — m/z—> 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 Abundance #116556: Dicyandiamide 43 84 I ‘ ‘ ' I ‘ ‘ ‘ ‘ I ' ' ' 1T ' i r ■ | ■ i 4.00 4.20 4.40 4.60 4.80 5000 68 m/z 49.10 23.15

5356 0- i “ “ i ‘ ' i “ “ i ■ ‘1 ■ i “ ‘' i • “ ■ i' 11 ■ ■" i ■ Tpp mmmp n/z-> 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 Abundance #34889: Phosphonic difluoride 86 4.00 4.20 4.40 4.60 4.80 m/z 48.10 16.44% 5000

47 66 69 ""Whwaal 31 50 0 TTI*—TTmTT | ‘‘ ‘I i ■ “' i “ “ i: ■ i ■1" i m/z-> 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 4.00 4.20 4.40 4.60 4.80.

521LB.D 052202.M Tue May 28 11:57:58 2002 Page 12

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