||Analysis of Modified Method Five Train Samples for Multiple Pollutant Classes.
Johnson, L. D. ;
||Environmental Protection Agency, Research Triangle Park, NC. Office of Research and Development.
Air pollution sampling ;
Chemical analysis ;
Analytical methods ;
Polycyclic aromatic hydrocarbons ;
Stack gases ;
Test methods ;
Chemical tests ;
Stationary sources ;
Performance evaluation ;
Modified Method 5 ;
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The steadily increasing need for more complete characterization of stationary source emissions has placed more demands on stack sampling organizations and on associated analytical laboratories to operate as efficiently as possible. One way of increasing efficiency is to maximize the amount of analysis on each sample collected, and thereby to minimize the number of samples taken. The Modified Method 5 (MM5) sampling method produces samples which are particularly amenable to analysis for multiple organic pollutants. This paper discusses basic principles of planning analysis of MM5 samples for more than one class of pollutants. Benefits and liabilities of combinations of this nature are examined. An example case involving analysis of dioxins and polycyclic aromatic hydrocarbons is presented.