GCMS analysis results for sample AE12327, June 2002

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Laboratory report documenting gas chromatography-mass spectrometry analysis of environmental sample AE12327 conducted on June 4, 2002.

NYC-WTC_000014033–000014053

Folder label: “GCMS X 5/24/02 A 5/28/02”

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NYC 9/11 Public Portal Document Llorary searcr compoura Keport

Data File : C:\MSDCHEM\l\DATA\052802\12327.D Vial: 7 Acq On : 28 May 2002 7:11 pm Operator: McLean Sample : 5/24 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 1 Methylene Chloride Concentration Rank 2 R.T. EstConc Area Relative to ISTD R.T. 3.72 8.71 ug/L 4812370 1,4-Diehlorobenzene-d4 9.90 Hit# of 5 Tentative ID MW MolForm CAS# .al 1 Methylene Chloride 84 CH2C12 000075-09- 95 2 Methylene Chloride 84 CH2C12 000075-09- 94 3 Methylene Chloride 84 CH2C12 000075-09- 90, 4 Methylene Chloride 84 CH2C12 000075-09-2 Abundance Scan 109 (3.720 min): 12327.D (-92) (-) m/z 49.10 100.00% 49 84

5000

• ■ ■ i ■ ■ ■ ■ i ‘ ■ i ■ ■ ■ ■ i • ■ ■ ■ i 88 3.40 3.60 3.80 4.00 353841 1 , 58 70 m/z 84.00 82.59% ol —IUmpppHHamH t- n/z-> 5 10 15 20253035404550556065 70 75 80859095 Abundance #12327: Methylene Chloride 49 84 5000 ■ ■ ■ i ■ ■ ■ ■ i ■ ' ■ ■ i 1 ■ ■ ■ i ■ ■ ■ • i 3.40 3.60 3.80 4.00 m/z 86.0.0 51.56% 88 n/z-> 14 18 24 2831 353841 0!TI]—0UHUnpmp—“EpHngmHf 152 I‘*IIL TTN 11 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 70 H Abundance #111039: Methylene Chloride 49 ■ ■ ■ । ■ ■ ■ ■ । •1 ■11 1 1 11 । • ■ ■ ■ । 84 3.40 3.60 3.80 4.00 5000 m/z 51.10 32.70%

2831 3538 43 ,52 57 88 Of > 11111111 > । i 111111 > 1111 > 1111111111111111111 . T 67 71 77 Hmm niz—> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #111041: Methylene Chloride ■ ■ ‘ । ■ i ■ ■ ■ ■ । ‘ i ■ ■ ■ ■ । 49 3.40 3.60 3.80 4.00 m/z 47.05 19.02% 84 5000

46 M/ow 2629 41 | ,52 59 65 73 77 88 01 ।11...111> n111n11111111111 11r 11 11111 H Iummgot Hm ' ■ i ' ■ ' ■ i • ■ ■ ■ i ' ■ ■ ■ i ' 1 ■ ■ i m/z-> 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

12327.D 052202.M Thu May 30 10:41:09 2002 Page 3

NYC-WTC_000014040

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NYC-WTC_000014040Source: NYC Law Department, mirrored locally

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