GCMS reference analysis results for volatile organics, June 2002

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Laboratory report listing reference values for volatile organic compounds in sample AE12735 with associated numerical data.

NYC-WTC_000015171–000015199

Folder label: “GCMS X 6/3/02 A 6/7/02”

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NYC 9/11 Public Portal Document

Library Search Compound Report Data File C: \MSDCHEM\1\DATA\060702\12735.D Vial: 11 Acq On 7 Jun 2002 4:43 pm Operator: Sample 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 8 Methylene Chloride Concentration Rank 12 R.T. EstConc Area Relative to ISTD R.T. 4.14 0.99 ug/L 694183 1,4-dichlorobenzene-d4 9.89

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Methylene Chloride 84 CH2C12 000075-09-2 1 2 Methylene Chloride 84 CH2C12 000075-09-2 1 3 Methylene Chloride 84 CH2C12 000075-09-2/1 4 Methylene Chloride 84 CH2C12 000075-09-2 1 Abundance Scan 181 (4.143 min): 12735.D (-180) (-) m_ z 49.10 100.00% 49

5000

■ ■ i ■ ■ ' ■ i ■ 1 ■ ‘ । 1 1 1 1 i 1 1 1 1 1 1 84 88 36 4144 -HHHHHHH 3.80 4.00 4.20 4.40 m/z 87.95 13.96%

MMntA 01 nmT)TTTTTTHT Tl/Z-> 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 5000 1 ‘ 1 1 ■ ■ ■ i 1 ■ ■ ■ i 1 3.80 4.00 4.20 4.40 m/z 84.00 12.61% 2831 3538 43 67 71 77 ,52 57 88 ol-TTp-rrrpTT-rp-rrrjTTTTp-rTTp^ T—mmpmpopu - miz-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #12327: Methylene Chloride 49 ■ ■ i ' ■ ' ■ i • ■ ■ ■ i ■ ■ ■ ■ i • ■ ■ 1 i ■ 84 3.80 4.00 4.20 4.40 5000 m/z 50.00 10.02%

niz-> 14 18 24 2831 353841 01 •11 ■ • • ■ I •' 111 < “ • j <J ■ n1 j > > I»11 > IH111111 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 52 1000—————— 70 H 141’44

Abundance #111041: Methylene Chloride 49 3.80 4.00 4.20 4.40 m/z 41.10 9.97% 84 5000

46 MWurt/y 2629 41 | $52 59 65 73 77 88 0- 1' 1'1 MPPmTrg . >“> 1111111 > j > 11.11111111 |11।।।। mi 111111111 tHTp > - i ■ • • • l * • • ■ । ■ i ■ ■ ■ • । i n/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 3.80 4.00 4.20 4.40

12735.D 060302.M Mon Jun 10 11:22:51 2002 Page 11

NYC-WTC_000015186

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NYC-WTC_000015186Source: NYC Law Department, mirrored locally

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