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GCMS analysis results for sample AE12675, June 2002

Machine-extracted title · confidence 100%

Laboratory report documenting gas chromatography-mass spectrometry analysis of environmental sample AE12675 conducted on June 6, 2002.

NYC-WTC_000015016–000015026

Folder label: “GCMS X 5/30/02 A 6/1/02

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NYC 9/11 Public Portal Document

Library Search Compound Report

Data File C:\HPCHEM\1\DATA\MAY3102\12675.D Vial: 20 Acq On 1 Jun 2002 6:41 am Operator: Morgan Sample gc/ms scan 5/30 Inst : 209 Mise : Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\HPCHEM\1\METHODS\GCMS0531.M (RTE Integrator) . Title : 20*9 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 1 2-Pentanone, 4-hydroxy-4-methy Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T.

8.06 1.32 ug/1 89821 1,4-Dichlorobenzene-d4 12.07

Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 50 2 3-Hydroxy-3-methyl-2-butanone 102 C5H10O2 000115-22-0 17 3 Acetone 58 C3H60 000067-64-1 9 4 3-Pentenoic acid, 4-methyl- 114 C6H10O2 000504-85-8 9 Abundance Scan 328 (8.058 min): 12675.D (-) m/z 43.00 100.00% 4)3

59 5000

101 TTrrT 7.80 8.00 8.20 8.40 --4 1140118 83 TTTTTTT THTTT m/Z 59.00 52.17% nfe-> 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105110 Abundance #64274:2-Pentanone, 4-hydroxy-4-methyl- 43

5000 ' ‘ ‘ ‘ I ‘ ‘ ■ i ‘ ‘ ‘ ‘ |^“.T i r ' ■

59 7.80 8.00 8.20 8.40 m/z 58.00 19.69% 101 83 . 49 +T-H mH m/z—> 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105110 Abundance #1697:3-Hydroxy-3-methyl-2-butanone

7.80 8.00 8.20 ' ~ 8.40 “ 5000 43 m/z 101.05 18.65% 31

■■■■in..i.'.li -3- 69 |I,।j......1j... l(> 87 m/z—> 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105110 Abundance #62322: Acetone 43 7.80 8.00 8.20 8.40 7.09% 5000 58 27 syollagpl 11।।. 1111 n | > 1111111 i |i ii 111111111 11 |i i rr| 1111111111.11. | n —AAA— m/z—> 15 20 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105110 7.80 8.00 8.20 8.40

12675.D GCMS0531.M Mon Jun 03 11:45:21 2002 Page 1

NYC-WTC_000015023

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NYC-WTC_000015023Source: NYC Law Department, mirrored locally

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