GCMS analysis results for sample AE03075, March 5 2002

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Laboratory report documenting gas chromatography-mass spectrometry results for sample AE03075 including surrogate recovery.

NYC-WTC_000010907–000010926

Folder label: “GCMS X 2/5/02 A 2/28/02”

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NYC 9/11 Public Portal Document

Library Search Compound Report .* Data File : C:\MSDCHEM\l\5973N\02FEB28\02715.D Vial: 5 Acq On : 28 Feb 2002 1:50 pm Operator: Sample : 508 scan Inst : Instrumen Mise : February 28, 2002 Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\MSDCHEM\1...\HP022102.M (RTE Integrator) Title : 508 scan method Library : C:\DATABASE\WILEY7N.L ********************************************************************* Peak Number 10 4H-Pyran-4-one, 3-hydroxy-2 ... Concentration Rank 13 R.T. EstConc Area Relative to ISTD R.T. 16.55 0.03 ug/L 17559 Acenaphthene-dl0 18.34 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 4H-Pyran-4-one, 3-hydroxy-2,6-di... 140 C7H803 002298-99-9 9 2 2-Methyl-3-methoxy-4H-pyran-4-one 140 C7H803 000000-00-0 9 3 2,3-Dihydro-6-methylthieno[2,3c]... 140 C7H80S 000000-00-0 7 4 (Z)-1,2-Difluoro-1-phenylethene 140 C8H6F2 000000-00-0 5 Abundance Scan 1167 (16.548 min): 02715.D (-) m/z 140.20 100.00% 140

5000 122 172 43 84 16.20 16.40 16.60 16.80 0 T+I-TmPP ■ ■ I'' ' ‘ I ‘' ■ I '' ‘ ‘ I TT-n m/z 122.10 45.65% /z—> 30 40 50 60 70 80 90 1(» 110 120 130 140 150 160 170 Abundance #35351:4H-Pyran-4-one, 3-hydroxy-2,6-dimethyl- (CAS) $$ M... 69 1-0

122 5000 ‘ ' I ‘ ‘ ‘ ‘ I ' ' ' 1 I ' ' ' ' I ' 1 ' ‘ I 1 16.20 16.40 16.60 16.80 82 110 m/z 172.20 41.04% 97 nl, । . । । 1111 11111 । 11 .l-i । ,_ I ..... 1| ill ’ 1 J • • i • • ■ • i • ■ 1’ • ‘ ‘ I 1174 14*441 1’ iz-> 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 Abundance #35380:2-Methyi-3-methoxy-4H-pyran-4-one 69 140 122 16.20 16.40 16.60 16.80 ‘ ' 1 ‘ 5000 m/z 136.10 36.66%

82 97 . 110 — II o i ■1 ‘ ■ i ‘ “ i ■ • ■11 ‘1 L TTTT “ ■ 11 1 • 'T‘ “ ' i > I I l l • r ■1 ■ i' " 11 ‘1 ‘ ■ i1 miz-> 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 Abundance #35286: 2,3-Dihydro-6-methylthieno[2,3cifuran 140 16.20 16.40 16.60 16.80 ' ' ‘ ‘ m/z 138.00 31.91% 5000 97 111 43 59 77 0- |............. ■ ■ ■ i '1111'1'11 " 111111111 ■ ■ I • • ■ ‘ i ■ ■ T T l • • * • l > n/z—> 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 16.20 16.40 16.60 16.80

92715.D HP022102.M Fri Mar 01 10:07:08 2002 Page 12

NYC-WTC_000010922

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GCMS analysis results, sample AE02718, March 2002 · Box DEP Box 14

NYC-WTC_000010967

Gas chromatography-mass spectrometry analysis of sample AE02718 performed March 5, 2002, documenting other unknown compounds and surrogate 2,4-DDD recovery at 97 percent.

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