SYSTEMS AND PERFORMANCE AUDITS

EEMS is certified by the EPA Office of Air Quality Planning and Standards (OAQPS) to perform National Performance Evaluation Program (NPEP) audits and Through- The –Probe (TTP) audits of air quality monitoring stations. EEMS currently conducts audits of an 80-site monitoring network for the US EPA. EEMS owns and maintains all the necessary National Institute of Standards and Technology (NIST) equipment required to audit primary pollutant measurement and meteorological measurement instruments. EEMS also performs Performance Evaluation Program (PEP) audits of PM2.5 monitoring stations.