GCMS analysis results for sample AE08937, April 29 2002

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Laboratory report documenting GCMS analysis of sample AE08937 conducted on April 29, 2002, showing surrogate recovery.

NYC-WTC_000049213–000049223

Folder label: “GCMS X 4/15/02 A 4/22/02”

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NYC 9/11 Public Portal Document

Library Search Compound Report

Data File : C:\MSDCHEM\1\DATA\042202\8937.D Vial: 10 Acq On : 22 Apr 2002 6:32 pm Operator: Bohik Sample : SAMPLE 8937 4/15/02, FB Inst s Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.P

Quant Method : C:\MSDCHEM\1\5973N\5080402BBC.M (RTE Integrator) Title : Quantitation For Method 508gcscan Library : C:\DATABASE\WILEY7N.L ********************************************************************* Peak Number 2 2-Pentanone, 4-hydroxy-4-me... Concentration Rank 1

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

5.50 16.58 ug/L 1021630 1,4-Dichlorobenzene-d4 9.41

Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 2-Pentanone, 4-hydroxy-4-methyl-... 116 C6H12O2 000123-42-2 78 2 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 78 3 2-Pentanone, 4-hydroxy-4-methyl-... 116 C6H12O2 000123-42-2 74 4 2-Pentanone, 4-hydroxy-4-methyl-... 116 C6H12O2 000123-42-2 74 Abundance Scan 412 (5.500 min): 8937.D (-) m/z 43.10 100.00% 43 59

5000

101 *' i • T T T 5.20 5.40 5.60 5.80

miz-> 0- 20 1.. —p37l, 53444— 67 30 40 50 60 ‘ ‘ |‘rn 1**’’1’* ’It । 70 80 । 90 100 110 120 8..... .............. j i m/z 59.10 73.89%

Abundance #16599:2-Pentanone, 4-hydroxy-4-methyl- (CAS) $$ Diaceton... 43

59 5000 T-rpn-n-p- ■' I tosfrit 5.20 5.40 5.60 5.80 101 m/z 58.10 32.81% 31

miz-> 0-177 20 30 374 40 +53 50 Tr 70 60 70 83 1 112 • | • • • • | • 1 k 1 | > I l'l l'l 11 11 I 1 I I p 80 90 100 110 120 Abundance #16609:2-Pentanone, 4-hydroxy-4-methyl- 43 ■ rTFrTrTt -n-p-m-j-rr 5.20 5.40 5.60 5.80 5000 m/z 101.10 19.29% 59

M 93 101 0- 1125133,37,1 I-- ■'< p I • • • • i • ■ ■' i 83 । ■ • i ■ ■ ‘' l ‘ ■ • • i •1 '11 • Tl/Z-> 20 30 40 50 60 70 80 90 100 110 120 Abundance #16593:2-Pentanone, 4-hydroxy-4-methyl- (CAS) $$ Diaceton... TT-p-r TP 43 • • i1 • • ‘ i • 5.20 5.40 5.60 5.80 m/z 41.10 6.63%

5000 59

31 101

m/z—> 0 111110.37,1 +53+ TTrr 70 20 30 40 50 60 83 l] t ... j l... I . 70 80 — 90 100 110 120 mMM 5.20 5.40 5.60 5.80

8937.D 5080402BBC.M Thu Apr 25 14:37:10 2002 Page 4

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