Who We Are Enthalpy Analytical Now Onterris

Enthalpy Analytical is now Onterris

Q: What is Enthalpy Analytical?

Enthalpy Analytical is a national network of accredited environmental laboratories providing environmental testing and analytical services.

Q: Is Enthalpy Analytical now Onterris?

Yes. Enthalpy Analytical is now Onterris, a global environmental solutions company combining laboratory testing, scientific expertise, and environmental consulting services.

Q: What services does Enthalpy Analytical provide?

Enthalpy Analytical provides environmental laboratory testing, analytical services, and regulatory data support, including testing for air, water, soil and other environmental media.

Q: What types of environmental testing does Enthalpy Analytical perform?

Enthalpy Analytical performs a wide range of environmental testing, including air quality testing, water and wastewater analysis, soil testing and specialized analytical services to support regulatory compliance and environmental decision-making.

Q: Is Enthalpy Analytical an accredited laboratory?

Yes. Enthalpy Analytical operates accredited environmental laboratories with numerous state, federal and industry certifications, including NELAC and Department of Defense accreditations.

Q: Who uses Enthalpy Analytical services?

Enthalpy Analytical supports environmental consulting firms, government agencies, industrial organizations, energy companies and other clients that rely on accurate environmental data for compliance and decision-making.

Q: Why is environmental laboratory data important?

Environmental laboratory data is critical for regulatory compliance, risk assessment and project decision-making. Accurate analytical results help organizations ensure safety, meet environmental standards and move projects forward with confidence.

Enthalpy Analytical, a leading provider of environmental laboratory testing and analytical services, is now Onterris.

Enthalpy Analytical has built a reputation for delivering accurate, high-quality environmental data to support critical decisions. That expertise continues through Onterris, with expanded capabilities across environmental consulting, engineering and scientific services.

Explore Testing & Analysis Solutions

Laboratory Services

Expanded Solutions

Aerial view of excavator working on construction site with dirt piles and worker nearby

Contaminated Land & Remediation

Field worker surveying rocky terrain with binoculars.

Environmental Permitting, Air & Water Compliance Services

Working through air, water and land permitting requirements and building compliance programs that hold up under regulatory review, across regulated industries.

Field worker inspecting pavement conditions at an industrial site.

Planning, Preparedness, Response & Recovery

Professional reviewing environmental or safety data on a computer.

Health, Safety & Chemistry

Bringing scientific precision to critical decisions

Laboratory technician performing environmental testing.

Testing & Analysis

Industrial water treatment facility with filtration infrastructure.

Water Consulting, Testing & Treatment

Environmental field professional standing near a wooded stream.

Community Resiliency

Landscape view of a marsh or wetlands type environment

Natural Resources

Legacy

Accurate Data. Confident Decisions.

Onterris, formerly Enthalpy Analytical, operates a national network of accredited environmental laboratories that deliver accurate, defensible data that organizations rely on for operational confidence.

Our commitment to quality, reliable data is not changing. As part of Onterris, our laboratory capability is now an integral part of a holistic system, linking field programs, laboratory testing and technical insight with engineering, permitting and regulatory expertise, creating a clearer line from data to decision.

Onterris will push our commitment to new heights. With this change, clients now get one accountable partner to solve any environmental or operational challenge, gaining the insight needed to verify compliance, improve performance and operate with confidence.