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Method 509 reference document, February 1992

Machine-extracted title · confidence 95%

Reference document describing Method 509 procedures for laboratory analysis, dated February 14, 1992.

NYC-WTC_000024748–000024757

Folder label: “GCMS X 5/14/02 A 5/17/02

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Scanned page image, NYC-WTC_000024753
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NYC 9/11 Public Portal Document Library Search Compound Report

Data File : C:\MSDCHEM\1\DATA\020516\0514LB.D Vial: 5 Acq On : 16 May 2002 1:19 pm Operator: Nefliu Sample : 05/14 lab blk Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: rteint.e

Quant Method : C:\MSDCHEM\1\METHODS\SCAN020507.M (RTE Integrator) Title : Method 508 GC/MS Scan Library : C:\DATABASE\nist98.1 ********************************************************************* Peak Number 1 2-Pentanone, 4-hydroxy-4-me... Concentration Rank 1

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

6.15 19.11 ug/1 1048620 1,4-Dichlorobenzene-d4 11.38

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 83 2 2-Pentanone, 4-hydroxy-4 -methyl- 116 C6H1202 000123-42-2 45 3 2 - Pent anone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 42 4 Acetone____ 58 C3H60 000067-64-1 16 Abundance / Scan 523 (6.152 min): 0514LB.D (-518) (-) m/z 43.10 100.00% 43

5000 59

101 69 76 83 , | 580 6.00 6.20 6.40 m/z-> ............. 10 20 34,130 40 53 , —4 drn//1/1///**1/*/n ——/T 50 60 70 80 90 100 110 m/z 59.10 46.26% Abundance #109755: 2-Pentanone, 4-hydroxy-4-methyl- 43

5000 59 580 6.00 6.20 6.40 m/z 58.10 19.91% 15 101

m/z-> 10 20 2631, 30 38,140 +53+ 50 60 I ' ■ ■ ' i 1 ‘ 70 83 | . ''' ' ' i ' 1 1 1 I ' 1 1 1 1 1 80 90 100 110 Abundance #5851:2-Pentanone, 4-hydroxy-4-methyl- 43 ,,,,,,, , . 5.80 6.00 6.20 6.40 5000 m/z 101.10 15.37% 59 101 — —77,2 38,1 —4 , 48 53, 67 72 77 83 91 96. | I ' ■ ■ ■ i ■ ' ' ■ i 1 1 r' ' I 1 1 ' 1 r ' 1 1 ' 1 1 m/z—> 10 20 30 40 50 60 70 80 90 100 110 Abundance #109756: 2-Pentanone, 4-hydroxy-4-methyl- ' 1 i ' ' ■ 1 i ' ' 1 ‘ nonTdu . । । । . 43 580 6.00 6.20 6.40 m/z 41.05 7.09% 5000 59

— 31 . m 83 — 93 101। /z—> .. 10 1 20 29,,1 30 . 38,1 40 i^i' '’I 50 i 1 ' ■ 1 i ' ' 1 ' i ' ■ ' ' i ' 1 1 1 1 1 1 1 ' 1 1 60 70 80 90 100 110 5.80 6.00 6.20 6.40

0514LB.D SCAN020507.M Fri May 17 10:36:11 2002 Page 3

NYC-WTC_000024753

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