Number: RL31531
Title: Particulate Matter Air Quality Standards: Background and Current Developments
Authors: Robert Esworthy, Resources, Science and Industry Division 
Abstract: In an effort to strengthen the science underlying EPA's review of air quality standards, Congress has provided substantial sums for research on particulate matter over the last five years. Because of the significant impacts of EPA's particulate matter standards have on both public health and the economy, the current review of the particulate matter standards is likely to be of interest to Congress.
Pages: 33
Date: January 10, 2005