PM 2.5 Inventory Resource Center - Quality Control / Quality Assurance

• Introduction: The Value of QA/QC. January 1997 (PDF 81K)
• General QA/QC Methods. July 1997 (PDF 1.3M)
• Evaluating the Uncertainty of Emission Estimates. July 1996 (PDF 290K)

DARS provides an overall confidence rating for an emissions inventory. Although the EPA originally developed DARS to assist in evaluating country level inventories of greenhouse gases that had been developed using area source methods, the system has been expanded so it can be applied to point source inventories as well.