The staff at Green Country Testing, Inc. consists of highly qualified personnel having years of experience with EPA methodologies.  To better serve the needs of our customers, our staff is actively pursuing the research and use of new methodologies and instrumentation.

GCT is fully certified not only by the Oklahoma Department of Environmental Quality, but also one of the few laboratories in Oklahoma certified under strict NELAP guidelines.

We are also NELAP certified in Louisiana, Kansas, Washington State and Arkansas as well as reciprocally certified in Missouri, Nebraska, and Texas.

We at GCT understand the time pressures inherent to the environmental industry and have developed a management system to provide the highest quality results as rapidly as possible.

We Offer Environmental Testing Support For:

• Site Assessments
• Waste Disposals
• Waste Identification Needs

We Offer Compliance Testing For:

• National Pollutant Discharge and Elimination System (NPDES)
• Resource Conservation and Recovery Act (RCRA)
• Underground Storage Tank (UST)