Chemical Speciation Network (CSN) - Special Studies Files

Reports and information on Special Studies conducted as part of the CSN program can be found here.

• Review of Sunset Organic and Elemental Carbon (OC and EC) Measurements During EPA's Sunset Carbon Evaluation Project (pdf) (4.22 MB, 5/2019)
• A Guide to Running and Maintaining the Sunset Laboratory Semi-Continuous OCEC Analyzer (pdf) (1.76 MB)
  A Guide to Running and Maintaining the Sunset Laboratory Semi-Continuous OCEC Analyzer
• Standard Operating Procedure (SOP) for the Analysis of Organic and Elemental Carbon (OC/EC) Using the Sunset laboratory Semi-Continuous Carbon Aerosol Analyzer (pdf) (990.43 KB, 3/2/2012)
• Sunset Carbon Evaluation Project/Quality Assurance Project Plan (QAPP) (pdf) (9.23 MB, 9/27/2011)
• Pilot Study on Coarse PM Monitoring (pdf) (7.19 MB)
• Effects of Quartz Filter Type on Sampling and Organic Carbon/Elemental Carbon Analysis of PM2.5 (pdf) (969.67 KB)
• Evaluation of Diffusion Denuder Coatings for Removing Acid Gases from Ambient Air (pdf) (3.08 MB)
• Nylon® Filter Extraction Study #2 (pdf) (2.47 MB)