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As clients face new and diverse business challenges, GZA continues to respond by providing support services that complement the capabilities of our service divisions and fall within existing client markets.
Whole Effluent Toxicity
GZA's Whole Effluent Toxicity Laboratory was established in 1988 to perform whole effluent toxicity (WET) testing of wastewater samples from industrial and municipal sources. Our laboratory is widely known and is well regarded by state environmental regulatory agencies and the U.S. EPA. We have consistently earned EPA’s highest rating on all protocols submitted as a participant in the WET Testing portion of EPA’s annual DMR-QA Performance Evaluation Program.
Environmental Chemistry Analyses
GZA's Environmental Chemistry Laboratory (ECL) is a facility that supports the environmental investigations of our technical staff. Our laboratory is certified by the MADEP as well as many state agencies throughout the Northeast United States and is accredited by NELAC (National Environmental Laboratory Accreditation Conference).
Geotechnical & Rock Testing
GZA's laboratories conduct a wide variety of tests on soil, rock and geomembrane materials. Our testing methods conform to the latest specifications of the American Society for Testing and Materials, American Association of State Highway Officials, U.S. Army Corps of Engineers, U.S. Environmental Protection Agency, and the U.S. Department of Transportation. The laboratory is certified by AASHTO and validated by the USACOE.
We also provide Wastewater Analysis and Geosynthetic Materials Testing in our in-house laboratories.
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