GCMS blank results for VOCs, sample AE12326, June 2002

NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\MSDCHEM\1\DATA\052902\LBA.D Vial: 14 • ‘ Acq On : 29 May 2002 8:41 pm Operator: McLean Sample : gc/ms scan 5/28 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 3 Methylene Chloride Concentration Rank 7 R.T. EstConc Area Relative to ISTD R.T.

3.77 0.73 ug/L 429962 1 ,4-Dichlorobenzene-d4 9.90

Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Methylene Chloride 84 CH2C12 000075-09-2 43 2 2-Butenal, 2-methyl- 84 C5H80 001115-11-3/9 3 Dicyandiamide 84 C2H4N4 000461-585 9 4 2-Butenal, 3-methyl- 84 C5H80 000107-86-8 9 Abundance Scan 118 (3.773 min): LBA.D (-116) (-) m/z 84.00 100.00% 49 84

5000

38 _ 340 3.60 3.80 4.00 4.20 35 41 44 1 , 88 0 —mpe - -mmmmmmmmmmm —“i‘■ m/z 49.10 91.70% miz-> 20253035404550556065 70 75 80 85 90 95 Abundance #111039: Methylene Chloride 49 84 5000 340 3.60 3.80 4.00 4.20 m/z 82.00 17.60% 88

niz-> +52. 2831 3538 43 Ot ■ l|.l|-rp-.ii|r. 57 67 71 77 —pmupTmptt + 1 ■ ■ ■ l,||ll,|iill|l 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 -rpf

Abundance #116563:2-Butenal, 2-methyl- 55 84

3.40 1 3.60 3.80 4.00 l 4.20 5000 29 m/ z 38.10 15.70% 41

Ot 26 ■ • i ■"1J ■ 1‘ 38 44 511 ■m [ i 111 [ 1 11| . ■■ ■. 1111 I I 69 ■ i ■ ■■•i" ■' i'■ ■ ■ i" " i ■ ■ 11" 1111111111 /ngiw I niz-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #116556: Dicyandiamide ’ 11rr. ’11 . "nil

43 84 3.40 3.60 3.80 4.00 4.20 rn/z 47.1011.19% 5000

, 5356 68 /Wu n/z—> O' m 11 • • • • | •1 t I 11 i f1 j»1 >' | l 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 1111 “ । ■1 ■11 ■ ■ I ‘‘ 1" ' ■ I ‘' 3.40 3.60 3.80 4.00 4.20

LBA.D 052202.M Mon Jun 03 11:28:10 2002 Page 6

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