GCMS analysis results for sample AD26319, Dec 2001

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Laboratory report documenting GCMS analysis of sample AD26319 with unidentified compounds detected.

NYC-WTC_000031297–000031318

Folder label: “GCMS X 11/3/01 A 12/1/01”

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NYC 9/11 Public Portal Document

Library Search Compoun .1 Report

Data File C : \HPCHEM\1\DATA\DEC0501\? 5319 .D vial: 7 Acq On 5 Dec 2001 2:13 pm Operator: GALOS Sample gc/ms unknown 11/3 Inst : GC/MS Ins Mise Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method C:\HPCHEM\1\METHODS\NP12701.M (RTE Integrator) Title 208 625/TCLP calibratio ! table Library C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 3 2-Pentanone, 4-hydroxy- methy Concentration Rank 1

R.T. EstConc Area 'ative to ISTD R.T.

7 . 82 8.35 ng/uL 2569230 1,4. ichlorobenzene-d4 11.87

Hit# of 5 Tentative ID . W MolForm CAS# Qual

1 2-Pentanone, 4 -hydroxy- 4-methyl- 0.6 C6H12O2 000123-42-2 53 2 2-Pentanone, 4- hydroxy-4 -me thy1- " 6 C6H1202 000123-42-2 43 3 2-Pentanone, 4-hydroxy-4-methyl- ’ .6 C6H1202 000123-42-2 43 4 A c e t i c acid. 1,1-dimethylethyl este 7 .6 C6H1202 000540-88-5 28 Abundance Scan 325 (7.824 min): 26319.D (-) m/z 43.00 100.00% 43

5000 59

101 TIr........ T Imr - 7.40 7.60 7.80 8.00 8.20 11/1/1/27 i • ■ • "I' 3831 —53+ Inn — - * TT r 69 83 m/z 59.10 46.55% m/z->10 Abundance 20 30 40 50 60 70 80 #64275: 2-Pentanone, 4-hydroxy-4-methyl- > 100 110 A 4’3

50001 59 7.40 7.60 7.80 8.00 8.20 m/z 101.05 16.91% 15 31 101 >1__ 83 ■........................................ 1......................................................

' ' i • ' ■ i ' ' 11 i ■ ■ TTu i ■ Tr :—r T" m/z-> 10 20 30 40 50 60 70 80 . ) 100 110 Abundance #3245: 2-Pentanone, 4-hydroxy-4-methyl- 43

'■ । ■ ■ ■ 1 i 1 1 1 7.40 7.60 7.80 8.00 8.20 5000 59 m/z 58.10 16.62%

31 —— 101 I i_ L _ 73 83 - 1 1 i . . । । ■ TtEr i : 1 ■ ■ i ' , y— —Td m/z->__ Abundance 10 20 30 40 50 60 70 80 #64274: 2-Pentanone, 4-hydroxy-4-methyl- 43 100 110

7.40 7.60 41.10 L 7.80 l • ■ ■ ■ I • ■ 8.00 8.20 m/z 7.15% 5000 - 59

27 83 101

m/z--> ...........| 1 . ' 49 . ' I ■ ' ' ' I ' ' • ' TTBr ’T ’ 1 ■ ' i ' r ' I ■ ■ ■ 1 7 10 20 30 40 50 60 70 • ' ' l 80 ..'1007. -1101. — -A- 7.40 7.60 7.80 — — 8.00 8.20

26319 .D NP112701.M Wed Dec 05 15 : :31 2001 Page 3

NYC-WTC_000031306

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NYC-WTC_000031306Source: NYC Law Department, mirrored locally

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