GCMS analysis results for sample AD27389, Dec 2001

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Laboratory report documenting GCMS analysis of environmental sample AD27389 conducted on December 19, 2001.

NYC-WTC_000032919–000032930

Folder label: “GCMS X 11/14/01 A 12/12/01”

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NYC 9/11 Public Portal Document

Library Search Compound Report

Data File : C: \HPCHEM\1\DATA\DEC12 01\27389.D Vial: 3 Acq On : 12 Dec 2001 5:08 pm Operator: GALOS Sample : gc/ms unknown 11/14 Inst : GC/MS Ins Mise Multiplr: 1.00 MS Integration Params: LSCINT.P

Quant Method : C:\HPCHEM\1\METHODS\NP112701.M (RTE Integrator) Title : 208 625/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.

7.80 2.19 ng/uL 627460 1,4-Dichlorobenzene-d4 11.83

Hit# of 5 Tentative, ID MW MolForm CAS# Qual

1 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 83 2 2-Pentanone, 4 -hydroxy-4 -me thy1- 116 C6H1202 000123-42-2 53 3 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 43 4 Acetic acid, ,1-dimethylethyl este 116 C6H12O2 000540-88-5 28 [Abundance Scan 323 (7.804 min): 27389.D (-) m/z 43.10 100.00% 43

5000 59

101 — 7.40 7.60 7.80 8.00 8.20 38 h 53,, 83 i ■ ■ ■ ■ i ■ ■ ■ ■ i ■ ■ ■ 1 I 1 + TI , i ■ ■ ■ ' i ■ ■ ' ■ i m/ z 59.10 44.08% m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #64274: 2-Pentanone, 4-hydroxy-4-methyl- i 43

5000 - 59 7.40 7.60 7.80 8.00 8.20 m/z 58.10 18.24% 27 101 I I 49 ..1 83 . I ■ ■ i ■ ■ ■ ■ i • 1 ' ' i Ti i ■ ' ' ■ i ■ ■ ■ ■ i ■ ■ ' ' i m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #64275: 2-Pentanone, 4-hydroxy-4-methyl- 43

7.40 7.60 7.80 8.00 8.20 5000 - m/z 101.05 17.74% 59

15 31 101 83 I ' 1 i ' 1 ' 1 । Ir ' ■i ' ■ ■ ■ i ' ' ' • i • ' ■ ■ i ' ' ' ■ i ' ■ m/z-> 10 20 30 __ 40 50 60 70 80 90 100 110 Abundance #3245: 2-Pentanone, 4-hydroxy-4-methyl- ' ' I ■ ' ' ■ I ' ' ' ' I ' ' | 43 7.40 7.60 7.80 8.00 8.20 m/ z 41.10 6.96% 5000 - 59

31 ! 83 101 __________ I I I ' ' ' ' I ' ' ' ' I ' 1+ —+ 73 l ■ ■ ■ • l ■ ■ ■ • l • ■ ■ ■ I ■ • • l l • ■ ' • I ■ TIPPP miz-> 10 20 30 40 50 60 70 80 90 100 110 7.40 7.60 7.80 8.00 8.20

27389.D NP112701.M Fri Dec 14 12:19:19 2001 Page 1

NYC-WTC_000032927

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NYC-WTC_000032927Source: NYC Law Department, mirrored locally

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