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GCMS analysis results for sample AD24490, Nov 2001

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Laboratory report documenting GCMS analysis of sample AD24490 conducted on November 13, 2001, identifying unknown compounds.

NYC-WTC_000068610–000068621

Folder label: “508 Scan X 10/16/01 A 11/5/01

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NYC 9/11 Public Portal Document

Library Search Compound Report Data File C:\HPCHEM\1\DATA\NOV0501\24490.D vial: 14 Acq On 6 Nov 2001 12:39 am Operator: 209 GALOS Sample gc/ms unknown Inst : GC/MS 209 Mise : Multiplr: 1.00 MS Integration Params: LSCINT.P

Quant Method : C;\HPCHEM\1\METHODS\NP103001.M (RTE Integrator) Title : 209 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L ***********************************************************'********** Peak Number 1 2-Hexanone Concentration Rank 2

R.T. EstConc Area Relative to ISTD R.T.

6.42 0.58 ug/1 94577 1,4-Dichlorobenzene-d4 11.72

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2-HexanoneX 100 C6H12O 000591-78-6 86 2 Methyl Lf^butyl Ketone 100 C6H12O 000108-10-1 58 3 Oxirap^ 2-methyl-2-(1-methylethyl) 100 C6H12O 072221-03-5 45 4 Penj^al, 2,4-dimethyl-_____________ 114 C7H14O 027944-79-2 38 (kbundanc/ Scan 150 (6.419 min); 24490.D (-) m/z 42795 100.00% 40

58 553

71 85 100 6.00 6.20 6.40 6.60 6.80 53 4t -r+^t rjtTTTyrTTTJTTTTjiTTTJTTTTpT-rTjTTTT^^ "m/z 58.05 57747% 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 Abundance #1556; 2-Hexanone 43

58 5000 6.00 6.20 6.40 6.60 6.80 Tn/z 56795 14.25% 27 71 85 100 y(-rr-rpTTTqT-rrT]-rTTTjTTTTyrTTT^^^ ..... Ti/z-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 Abundance #63354; Methyl Isobutyl Ketone 40 I ' ' ' ' I ' ' ' ' I ‘ ' I ' ' 6.00 6.20 6.40 6.60 6.80 5000 m/^ 41.05 12.40% 58 85 100

ttZz-> . II. 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 .|......... I........ Abundance #1530; Oxirane, 2-methyl-2-(1-methylethyl)- 4)3 6.00 6,20 6.40 6.60 6.80 58 m/z 100.05 10747% A 5000 71

n/z-> 30 s.^ 85 66 100 ' I " " I " " I" " I " " I " '' I I'''' I 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 .A, , , I , , , , I , , , , I , , , , I , , 6.00 6.20 6.40 6.60 6.80

24490.D NP103001.M Fri Nov 09 12:24:29 2001 Page 1

NYC-WfC20d0b68618

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NYC-WTC_000068618Source: NYC Law Department, mirrored locally

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