GCMS analysis results for sample AD28048, Jan 2002

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Laboratory report documenting GCMS analysis of sample AD28048 conducted on January 2, 2002.

NYC-WTC_000034537–000034547

Folder label: “GCMS X 11/21/01 A 12/21/01”

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NYC 9/11 Public Portal Document

Library Search Compound Report

Data File : C:\HPCHEM\1\DATA\DEC2101\28048.D Vial: 33 Acq On : 21 Dec 2001 11:23 pm Operator: GALOS Sample : gems unknown 11/21 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 2

R.T. EstConc Area Relative to ISTD R.T.

7.78 1.25 ng/uL 417829 1,4-Dichlorobenzene-d4 11.79

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2-Pentanone ,/4-hydroxy-4-methyl- 116 C6H12O2 000123-42-2 83 2 2 - Pen t anone. 4-hydroxy-4-methyl- 116 C6H12O2 000123-42-2 53 3 2-Pentan e. 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 43 4 CH2=CHCH C (0) OCH3 100 C5H802 _______ 003724-55-8 10 Abundance Scan 321 (7.783 min): 28048.D (-) m/z 43.05 100.00% 43

5000 59

101 । p ... 11 4 11 .................83............. , |.............. 7.40 7.60 7.80 8.00 8.20 ....................................... 3Q |, ' ■ i ■ ■ ■ 1 r1 ' 1 1 I ' ' 1 1 r1 +534 11 i ■ 1 1 1i ’ ■ ■ ■ I ' ' 1 1 r' 1 1 । I 1 m/z 59. 10 49.94? miz-> 10 20 30 40 50 70 80 90 100 110 Abundance #64274: 2-Pentanone, 4-hydroxy-4-methyl- 4 5000 59 7.40 7.60 7.80 8.00 8.20 m/z 101.05 17.94

mz- ____________ 27 I . 49 ■ ■ i ■ ■ ■ ■ i ■ ■ ■ ■ i ■ ■ ■ ■ I ■ 1 ■ ■ i ■ 10 20 30 40 50 60 ; ....... 83 70___ 80____ 90 101 100 —110 Abundance #642 75; 2- Pentanone. 44hydroxy -4-methyl- 43 ' | 1 ' ‘ 1 | ‘ | ITTT | I I I I | I I 7.40 7.60 7.80 8.00 8.20 5000 - m/z 58.10 15.75 59 15 31 101 83 TI—T TBB—T . . . TUTT • • l • * • • I < ' ' 1 । 1 1 1 * » । • m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #3245:2-Pentanone, 4-hydroxy-4-methyl- ■ i ■ • ■ ' i ■ 46 7.40 7.60 7.80 8.00 8.20 m/ z 41.10 7.90? 5000 59

----- 14 [|....... 73 31 I en 101 83 ....... . I,...... a ..... ........... m/z-> 10 20 30 40 50 60 70 80 90 100 110 7.40__ 7.60 7.80 8.00 8.20

28048.D NP112701.M Thu Dec 27 08:39:16 2001 Page 1

NYC-WTC_000034545

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NYC-WTC_000034545Source: NYC Law Department, mirrored locally

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NYC-WTC_000034516

Laboratory report documenting GCMS analysis of sample AD28044 conducted on January 2, 2002.

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