GCMS analysis results, sample AE12324, June 2002

Machine-extracted title · confidence 100%

Gas chromatography mass spectrometry results for sample AE12324 including surrogate recovery data analyzed on June 7, 2002.

NYC-WTC_000014303–000014329

Folder label: “GCMS X 5/24/02 A 5/29/02”

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NYC 9/11 Public Portal Document Library aearen compound Report

Data File : C:\MSDCHEM\l\DATA\052902\12324.D Vial: 12 Acq On : 29 May 2002 7:03 pm Operator: McLean Sample : gc/ms scan 5/24 fb Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1\METHODS\052202.M (Chemstation Integfator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L ********************************************************************* Peak Number 12 Methylene Chloride Concentration Rank 10 R.T. EstConc Area Relative to ISTD R.T.

4.47 0.75 ug/L 507199 1,4 -Dichlorob'enzene-d4 9.90

Hit# of 5 Tentative ID MW MolForm CAS#

1 Methylene Chloride 84 CH2C12 000075-09- 90 2 Methylene Chloride 84 CH2C12 000075-09- 86 3 Methylene Chloride 84 CH2C12 000075-09- 86 4 Methylene Chloride 84 CH2C12 000075-09-2 Abundance Scan 237 (4.472 min): 12324.D (-235) (-) m/z 49.10 100.00% 49 84

5000

43 88 4.20 4.40 4.60 4.80 36 m/z 84.00 79.91% 0- " I “ “ I ■ ■ “ I “ “ i • “ ■ i ■ ■ ■' i" “ i1 ■ "i ■ ■ "I’T mmmmmmnph n/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #111040: Methylene Chloride 40 84

5000 4.20 4.40 4.60 4.80 35 m/z 86.00 40.07% 88 ww 14 Of "Ih" ... . 2811 +72 I—20—1—mrt 70 —dunpomnnnort Hmm miz-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #111039: Methylene Chloride 40 ■ ' ■ ■ I ■ • ■ ■ i ■ ■ • ■ i ■ • ■ ■ i • • ■ ■ 84 4.20 4.40 4.60 4.80 m/z 48.00 37.72%

MMwmpo... 5000

88 ■ 11 > i ■ i j > i ■ > । > ri 11 > i ■ । > 11 ■ [ i > i ■} 111 > । > >) > । r H Tpua"mmmgrt H ’ I’** 2831 3538 43 |, ,52 57 o+•_______________ 67 71 77 . niz-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #12327: Methylene Chloride 49 4.20 4.40 4.60 4.80 84 m/z 51.10 34.15% 5000

14 18 24 2831 353841 1,52 70. 88 8 0 ...।. 1111 ।. , h 11... (111 ,j 111. ।. 111 jn।, 1111।।।।, 111111। . m/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 " i ■" 420 440 4.60 480

12324.D 052202.M Mon Jun 03 10:52:16 2002 Page 15

NYC-WTC_000014322

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NYC-WTC_000014322Source: NYC Law Department, mirrored locally

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