GCMS analysis results, sample AE12477, June 2002

NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\MSDCHEM\l\DATA\052902\12477.D Vial: 19 Acq On : 30 May 2002 12:45 am 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 Pyridine-d5- Concentration Rank 10 R.T. EstConc Area Relative to ISTD R.T. 3.75 0.84 ug/L 506333 1,4-Dichlorobenzene-d4 9.90 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Pyridine-d5- 84 C5D5N 007291-22-7 9 2 Methylene Chloride 84 CH2C12 000075-09-2 9 3 Methylene Chloride 84 CH2C12 000075-09-2 7 4 Methylene Chloride 84 CH2C12 000075-09-2 7 Abundance Scan 113 (3.743 min): 12477.D (-112) (-) m/z 49.10 100.00% 49 84 88 5000 43 52 ■ ■ i ■ ■ ■ ■ । ‘ ।1 ■ •11 • ■1 * ।1

40 3.40 3.60 3.80 4.00 0+ p p T "IIET rp-rr m/z 51.10 68.75% miz-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #33686: Pyridine-d5- 56 84

5000 52 1 1 I ■ ‘ ■ i ' ■ ■ • i ■ ■ ‘ ■ i ■ • ■ • i ■ 28 3.40 3,60 3.80 4.00

wos/yn.. m/z 88.00 64.39% 38 42

mz-> 14 24 32.444+48—4 , 62 66 0! 11 {■ i > i j > > 11-[ 11 [ 11 > ■ 1111> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 [ •|‘>n p n 76 |

Abundance #111040: Methylene Chloride 49 84 11 3.40 3.60 3.80 4.00 5000 m/z 84.00 57.58% 35 88

m/z—> 14 2528 32 ,38441 01 “ i' ■ THHp 52H 70 1 ■ ■ । ■ ■ ■ ■ । ■' ■ ■ । ■ ■ • • i ■1' ■ । 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 ‘11 ■ ■1 T Abundance #111041: Methylene Chloride 49 3.40 3.60 3.80 4.00 ' ' ' m/z 50.05 44.51%

5000

46 88 84

wl"rvyw 2629 41 I ,>2 59 65 73 77 0 T I' ‘1 * I * “'! THHt IMpm ■ • । ■ ■ ■ ■ । ■ ■ ■ ■ । ‘ । • ■ ■' । ■ n/z—> 5 10 15 20 25 3035404550556065 70 75 80859095 3.40 3.60 3.80 4.00

12477.D 052202.M Mon Jun 03 11:39:23 2002 Page 6

NYC-WTC_000014443