Zedek Corporation, located in the heart of the Research Triangle Park region of North Carolina, has provided quality environmental services to the U.S. EPA and industrial clients since 1984. The focal point of our expertise is ambient air monitoring with special expertise in quality assurance and equivalency testing of monitoring instruments. Our experience in all areas of air monitoring means that we can provide you and your company with the services you need.


NIST - Traceable Auditing of Meteorological Sensors

Wind Speed,  Wind Direction,  Sigma,  Temperature,  Delta Temperature,  Relative Humidity/Dew Point,  Precipitation/Evaporation,  Solar Radiation. 

PSD Auditing

Zedek can provide the required auditing to satisfy Prevention of Significant Deterioration regulations.

Company details

Business Type:
Service provider

Industry Type:
Air and Climate - Air Monitoring and Testing

Market Focus:
Internationally (various countries)

Office & Distributor locations:


Environmental XPRT is part of XPRT Media All Rights Reserved