USEPA Method 103

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Beryllium Screening Method – USEPA Method 103

USEPA Method 103 details the guidelines and requirements for methods acceptable for use in determining Beryllium (Be) emissions in ducts or stacks at stationary sources.

Particulate Be emissions are withdrawn isokinetically from three points in a duct or stack and are collected on a filter. The collected sample is analyzed for Be using flame atomic absorption spectrophotometry using an air/acetylene flame or inductively coupled argon plasma (ICP) AAS.

Guidelines for source testing are detailed in the method. These guidelines are generally applicable; however, most sample sites differ to some degree and temporary alterations such as stack extensions or expansions often are required to insure the best possible sample site. Because the total quantity of Be to be collected is quite small, the test must be carefully conducted to prevent contamination or loss of sample.

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Last Update: October 25, 2006