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GCMS quantitation report, May 22 2002

Machine-extracted title · confidence 100%

Quantitative analysis report for polycyclic aromatic hydrocarbons using gas chromatography-mass spectrometry from May 2002.

NYC-WTC_000015606–000015626

Folder label: “GCMS X 6/4/02 A 6/4/02

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Scanned page image, NYC-WTC_000015612
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NYC 9/11 Public Portal Document ulDLary searer compound Keporc

Data File : C:\MSDCHEM\l\DATA\052202\11905.D Vial: 12 Acq On : 22 May 2002 10:47 pm Operator: Mclean Sample : 5/21 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 5 R.T. EstConc Area Relative to ISTD R.T.

3.71 1.03 ug/L 795749 1,4-Dichlorobenzene-d4 9.90

Hit# of 5 Tentative ID MW MolForm CAS# la 1 Methylene Chloride 84 CH2C12 000075-09-2( 95 2 Methylene Chloride 84 CH2C12 000075-09-2 91 3 Methylene Chloride 84 CH2C12 000075-09 -2 91 4 Methylene Chloride 84 CH2C12 000075-0942 83 Abundance Scan 107 (3.708 min): 11905.D (-91) (-) m/z 49.10 10000% 49 84

5000

miz-> 5 58■ i “ ■ ■ i ■ “' i" " i ‘ 01mmTTTTTTTH I ■ ‘ “ i ‘ 3538 43 I, 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 ■ i ■ •1 +88 ■ i‘ ‘ 3.40 m/z 84.00 -/ 3.60 72.00% 3.80 4.00 |

Abundance #12327: Methylene Chloride 49 84 5000 3.40 3.60 3.80 ' 4.00 ' 1 m/z 86.00 37.77% 88 -/ 14 18 24 2831 353841 52 70 - O+ 11111 > 111111111 I rj 1111 j > 1111 ■ 11 [ 111111111 j 11 TTun—nmOEmpmtf miz-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #111041: Methylene Chloride 49 ‘ ‘ ' I ‘ ‘ ‘ ' I ' ‘ ‘ ' I ' ‘ ‘ ‘ I ■ ‘ ‘ ‘ 1 84 3.40 3.60 3.80 4.00 5000 m/z 51.10 31.70% * 46 2629 41 | .52 59 65 73 77 88 01TTHH Tmummmmpatt I rl‘I“ ‘'i'" n/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 ‘ 3.40 3.60 3.80 4.00 ‘'1 m/z 47.05 14.37% 84 5000 wM/Muuka 88 n/z-> 2831 3538 43 H 0 IT|I I ■ I | H 1 I | I n 1 |'I I II | ■ I 1 I | I U 1 | I 1 I I | I I I I | I 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 $52 57 TgT 67 71 77 3.40 3.60 3.80 4.00

11905.D 052202.M Tue May 28 12:11:56 2002 Page 4

NYC-WTC_000015612

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NYC-WTC_000015612Source: NYC Law Department, mirrored locally

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