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Metropolitan St. Louis PM2.5 Saturation Monitoring Study
Prepared by: Air Quality Laboratory, Washington University in St. Louis, MO
Project Lead: Jay R. Turner, D.Sc.

Abstract
Executive Summary
In July 1997 the U.S. Environmental Protection Agency promulgated revisions to the National Ambient Air Quality Standard for Particulate Matter (PM). Standards were added for the 24-hour average and annual-average mass concentrations of ambient particulate matter with aerodynamic diameter smaller than 2.5 micrometers (PM2.5). Prior to the CY 1999 start-up of a regulatory monitor network to determine compliance with this standard, PM2.5 mass concentration data for most urban airsheds was either sparse or nonexistent. The Metropolitan St. Louis PM2.5 Saturation Monitoring Study was conducted by the Air Quality Laboratory at Washington University during CY 1999 to support the Missouri Department of Natural Resources (MDNR) in a variety of tasks related to implementing the PM2.5 standard.2 The project goals included (but were not limited to): elucidating spatial trends for PM2.5 mass concentrations on the neighborhood- and urban/regional-scales; elucidating temporal trends for PM2.5 mass concentrations over a period of approximately six months; and investigating the relationships between PM2.5 and meteorological conditions.

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  Section Index  
   
Performance Characterization of the MiniVol PM2.5 Sampler
Long-Term Efficiencies of Dust Suppressants to Reduce PM10 Emissions from Unpaved Roads
EPA Saturation Monitor Repository
Oakridge, Oregon, 1994 PM10 Saturation Monitoring Study
Philadelphia Diesel Particulate Monitoring Study
Use of PM10 Monitoring Data to Evaluate the Effectiveness of the Dust Control Program During the Construction of the Central Artery Tunnel Project
Study of Particulate at Roadside Micro-environments in Selected Heavily Trafficked Districts in Hong Kong
Street-level Concentrations of Nitrogen Dioxide and Suspended Particulate Matter in Hong Kong
1993 Carbon Monoxide Saturation Study in Boston
Chemical Characterization of Particles in Winter-Nighttime Aerosol Smog in Tokyo
Ambient PM2.5, PM10, and Lead Measurements in Cairo, Egypt
Metropolitan St. Louis PM2.5 Saturation Monitoring Study
Results of an Extensive Multi-year PM10 Monitoring and Field Inspection Program for the Construction of the Central Artery/Tunnel Project
Portable Pm10 Monitoring For A Large Roadway Tunnel Project
Air Quality Assessment Techniques for Roadway Tunnel Projects

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