GCMS sample analysis results for AE10604, May 10 2002

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Laboratory report detailing GC/MS analysis of sample AE10604 including surrogate recovery data in May 2002.

NYC-WTC_000045595–000045617

Folder label: “GCMS X 5/3/02 A 5/7/02”

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NYC 9/11 Public Portal Document Library Search Compound Report

Data File C:\MSDCHEM\1\DATA\050702\10604.D Vial: 9 Acq On 7 May 2002 7:39 pm Operator: Mclean Sample 5/3 kb Inst : Instrumen Mise : Multiplr: 1.00 MS Integration Params: LSCINT.e

Quant Method C:\MSDCHEM\1\METHODS\050102.M (Chemstation Integrator) Title 508 Modified GC/MS scan Library C:\DATABASE\NIST98.L Peak Number 3 2-Pentanone, 4-hydroxy-4-me... Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T.

5.97 9.28 ug/L 8044740 1,4-Dichlorobenzene-d4 9.94

Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 2-Pentanone, 4-hydroxy-4-methyl - 116 C6H12O2 000123-42-218 2 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H12O2 000123-42-2 78 3 2-Pentanone, 4-hydroxy-4-methyl - 116 C6H1202 000123-42-2 78 4 Acetone______ 58 C3H60 000067-64-1 32 Abundance Scan 493 (5.976 min): 10604 D (-483) (-) m/ z 43.10 100.00% 43

5000 59 _________________ ______ dt 1 ' 1 1 1 ' 1 1 I ' 1 I I I I I I 1 101 5.60 5.80 6.00 6.20 6.40 ......... .■'T1 —T53 69 83 | 125 ‘ i 1 ' i 1 ‘ r ■ i ■ ‘ I 1 1 1 1 i 1 ' 1 1 i ■ ' 1 1 i ' 1 ' ' i 1 1 1 1 i 1 1 1 1 I ' 1 1 ■ i ■ m/z 59.10 33.67% /z—> 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #5851: 2-Pentanone, 4-hydroxy-4-methyl- 43

1 I | T I ! I y ! I I | I I I I _ 5000 , । n 5.60 5.80 6.00 6.20 6.40 59 m/ z 58.10 22.73% 101 ............... . । । । i i i i l i i i । । i i i [ r 53 I “r ipert 67 77 — 83 91 , , I ..... m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #109756: 2-Pentanone, 4-hydroxy-4-methyl- 43 5 60 5.80 6.00 6.20 6.40 5000 59 m/z 101.10 13.34%

02 93 101 ......... 25,31 ,37 , TITH 1 i | i r < i | i i I I | i TO I | I 83 । । i 5 । i । i n i । 1 1 । । ■ i ■ i । । । । i । । । i । । । i i i । i i m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #109755: 2-Pentanone, 4-hydroxy-4-methyl- 43 5.60 5.80 6.00 6.20 6.40 m/z 42.10 5.76% /I 5000 59

15 101 2531,37,1 —53+ 83 .... .......... ' — 77 r *p PPMpr l pa—I* l m/z-> 10 20 30 40 50 60 70 80 90 100 110 1 20 130 5.60 5.80 6.00 6.20 6.40

10604.D 050102.M Thu May 09 09:08:16 2002 Page 6

NYC-WTC_000045605

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