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← Document results/DEP Box 21/GCMS X 11/15/01 A 12/13/01
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GCMS analysis results for sample AD27570, Dec 2001

Machine-extracted title · confidence 100%

Laboratory report documenting GCMS analysis of environmental sample AD27570 conducted on December 18, 2001.

NYC-WTC_000033535–000033547

Folder label: “GCMS X 11/15/01 A 12/13/01”

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NYC 9/11 Public Portal Document

Library Search Compound Report

Data File : C:\HPCHEM\1\DATA\DEC1301\27570.D Vial: 12 Acq On 13 Dec 2001 8:23 pm Operator: GALOS Sample : gems unknown 11/15 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.

7.83 1.82 ng/uL 1184220 1,4-Dichlorobenzene-d4 11.86

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2-Pentanone, 4-hydroxy-4-methyl - 116 C6H12O2 000123-42-2 83 2 2-Pentanone, 4 -hydroxy-4 -methyl- 116 C6H1202 000123-42-2 59 3 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 43 4 Acetic acid, 1,1-dimethylethyl este 116 C6H1202 000540-88-5 25 Abundance Scan 326 (7.829 min): 27570.D (-) m/z 43.05 100.00% 43

5000 59

—ITT - । — 101 53...I 7.40 7.60 7.80 00__ 3.20 ■ ' i ..... 38 ' i ■ ' ■ ■ 1 1 1 1 1 r1 ...............।83............ TLT _............ -j-r-r-r-t-T11ntd m/z 59.10 46.96% m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #64274: 2-Pentanone, 4-hydroxy-4-methyl- 43

5000 59 7.40 7.60 7.80 8.00 8.20 m/z 58.10 19.15% 27 101

miz->10 20 1 1 30 -49.. 40 50 60 70 80 i ■ ' ' ' 83 i ''' ■ I i ' ' • ■ I.............. I 1 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 101.0,5 15.74% 59 15 31 i . 101 i 83 । i ■ ■ • ■ i Im ... । TL “ ' ' ' T-y-r-r-T-r-f-T-, , , pi , T TTI m/z-> 1G 20 30 40 50 60 70 80 90 100 110 Abundance #3245: 2-Pentanone, 4-hydroxy-4-methyl- 43 7.40 7.60 7.80 8.00"7 8.20 m/z 41.10 6.76% 5000 - 59

31 1 83 101 -........ ................ —4 '1d/nD—73————“3nmB—O/D—| nnmm. — 11—41.......... m/z-> 10 20 30 40 50 60 70 80 90 100 110 7.40 7.60 7.80 8.00 8.20

27570.D NP112701.M Fri Dec 14 12:58:27 2001 Page 1

NYC-WTC_000033543

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