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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_000015619
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NYC 9/11 Public Portal Document Library bearcr compound Report

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 8 Methylene Chloride Concentration Rank 12 R.T. EstConc Area Relative to ISTD R.T.

4.53 0.27 ug/L 205309 1,4-Dichlorobenzene-d4 9.90

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Methylene Chloride 84 CH2C12 000075-09-2 72 2 Methylene Chloride 84 CH2C12 000075-09-2 ,56 3 Methylene Chloride 84 CH2C12 000075-09-2 9 4 Methylene Chloride 84 CH2C12 000075-09/2 9 Abundance Scan 247 (4.531 min): 11905.D (-243) (-) m/z 49.10 L00.00% 49

5000- 84

143 88 4.20 4.40 4.60 4.80 ‘ ‘ ' 0+ qp ■ “ ■ i ■ ■' ■ i" ■' i ■' ■ ■ i ■ • “ i • ■ ----- m/z 84.00 43.47% niz-> 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 4.20 4.40 4.60 4.80 m/z 86.00 30.14% 88 ol “ i ■" ■ i ■ ■11111 “ 1'1" 1' 2831 3538 43 152 57 TTmmgemmmmmguf67 71 77 ■1111'1' 1"1 ■ i"1' i1 - niz-> 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 1 1 ■ ■ i ■ ■ ■ ■ i ' ■ ■ ■ i ' ■ ■ ■ i 84 4.20 4.40 4.60 4.80 5000 m/z .50.00 18.50%

46 2629 41 | >2 59 65 73 77 88 01 " i “ “ i ■ ■ ■ ■ i1 “' i “ “ i1>11111'11" " 111111 । , mu"mmmgrtt hajanaipman miz-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #111040: Methylene Chloride 49 4.20 4.40 4.60 4.80 84 m/z 39.20 14.93%

5000

35 88 mtz~> 14 2528 32 ,384,41 0 TTp-rTTTTT Hir 52 70 " ' | 1 ‘ 1 1 | H | 1 | 1 > i .p-rr, 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 + 4.20 4.40 4.60 4.80

11905.D 052202.M Tue May 28 12:12:08 2002 Page 11

NYC-WTC_000015619

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NYC-WTC_000015619Source: NYC Law Department, mirrored locally

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