The national ambient air quality standards and quality assurance

摘要

This paper presents an overview of the quality assurannce, quality ocntrol (QA/QC) associated with the monitoring networks associated with the National Ambient Air Quality Standards (NAAQS). The oversight activites discussed include: (1) data quality objective (DQOs), (2) reference and equivalent methods, (3) precision and accruacy, (4) national performance audits, (5) system audits, and (6) network reviews.