GCMS blank analysis results, June 5 2002

NYC 9/11 Public Portal Document

Library Search Compound Report Data File C:\MSDCHEM\l\DATA\060402\604LB.D Vial: 3 Acq On 4 Jun 2002 5:29 pm Operator: McLean Sample 6/4 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 2 Methylene Chloride Concentration Rank 2

R.T. EstConc Area Relative to ISTD R.T.

3.72 3.15 ug/L 1556680 1,4-dichlorobenzene-d4 9.90

Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Methylene Chloride 84 CH2C12 000075-09-2 96 2 Methylene Chloride 84 CH2C12 000075-09-2 95 3 Methylene Chloride 84 CH2C12 000075-09-2 91 4 Methylene Chloride 84 CH2C12 000075-09-2 90 Abundance Scan 110 (3.725 min): 604LB.D (-94) (-) m/z 49.10 LOO? 0% 49 84

5000

‘ • i ■ ■ ■ ■ i ■ • • ■ i 1 1 1 ' i 1 1 1 1 i

Hm+ + 3538 42 88 3.40 3.60 3.80 4.00 0 " I"111"11111111 “1111'" I"1' 11111111'111 m/z 84.00. 78.90% iz-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #12327: Methylene Chloride 49 84 5000 ■ ‘ ■ i ‘ ‘ ■ i ■ ■ ■ ■ i ■ ■ ■ ■ i ■ • ■ ■ i 3.40 3.60 3.80 4.00 m/z 86.00 58.59% 88 0!-r. p 14 18 24 2831 353841 ■ H,.... j.|. n 111■ [t! 1. (11 ■. 152 70, - miz-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #111039: Methylene Chloride 49 84 3.40 3.60 3.80 4.00 5000 m/z 51.10 34.09% —/

2831 3538 43 |, ,152 57 88 67 71 77 . Ot m TTICm TTTTt f 111111111. ■ 11111111111111 Hrmmm niz-> 5 10 15 20253035404550556065 70 75 80859095 Abundance #111041: Methylene Chloride 1 ' 1 1 ' I 1 1 1 1 I 49 3.40 3.60 3.80 4.00 m/z 47.00 17.40% 84 5000

46 $2 59 65 2629 73 77 88 41 | 0 "10——# 111.11।।।।।i. ।. n IHTpm miz-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 3.40 3.60 3.80 4.00

604LB.D 060302.M Wed Jun 05 12:28:31 2002 Page 5

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