Who We Are
Onterris is a global environmental solutions company partnering with organizations to solve complex challenges where environmental pressures, regulatory expectations and operational risks intersect.
Sectors
Access deep environmental expertise tailored to your industry, with solutions built for real-world conditions.
Solutions
Prepare for escalating environmental risks with expert solutions designed to perform under pressure.
Our Thinking
Explore briefs, perspectives and articles that turn insight into action. Discover thought leadership that informs decisions and drives impact. See the ideas shaping environmental solutions and guiding your next move.
Cuture & Careers
Where brilliant people come together to turn environmental science into real-world progress for communities, industry and the planet.

Chemical

Delivering chemical industry compliance services that strengthen operational control, regulatory alignment and environmental risk management across high-hazard manufacturing operations.
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INTRO

Restoring clarity and control across complex chemical operations

Chemical manufacturing operates within some of the most demanding regulatory and safety environments in modern industry. Facilities must manage hazardous materials and emerging contaminants such as per- and polyfluoroalkyl substances (PFAS) while maintaining stable production that protects workers and communities.

Our integrated team combines environmental science, advanced measurement and compliance services to help manufacturers regain operational clarity, maintain regulatory alignment and manage environmental risk across facilities of every scale.
Why it matters

Chemical manufacturers face intensifying regulatory scrutiny

In high-hazard chemical manufacturing, a single compliance failure, off-site release or data integrity issue cascades across operations, putting regulatory compliance, reputations and community trust at risk.

Expectations for transparency and monitoring continue to rise across hazardous materials handling, worker exposure and emerging contaminants such as PFAS.

These pressures extend across the life cycle of chemical operations. The decisions that are made during facility design, permitting, process changes and expansion influence operational stability, environmental performance and long-term liability.

With integrated environmental insight and disciplined compliance systems, manufacturers can anticipate regulatory requirements, control risk and maintain the confidence of regulators, workers and communities.
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Thermal power plant with smokestacks at sunset near a waterfront

Bringing compliance systems and science together

Our team integrates environmental science, regulatory expertise and advanced measurement, enabling chemical manufacturers to maintain compliance, control risk and operate high-hazard facilities with confidence.
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Chemical expertise for real-world operations

Explore how we support manufacturers through compliance services, PFAS management, hazardous materials consulting and contaminated soil remediation across chemical facilities.
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Permitting & Compliance

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

Bringing scientific precision to critical decisions
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Methane

Detect, quantify and manage methane emissions with advanced measurement technologies, defensible data and regulatory expertise.
Laboratory technician handling samples during environmental testing.

Emerging Contaminants

Identify, assess and manage PFAS and other emerging contaminants with advanced science, regulatory insight and integrated environmental solutions.
SECTOR LEADER

Meet your Chemical sector leader

Our chemical sector experts deliver strategies that strengthen compliance, manage environmental risk and support responsible chemical manufacturing operations.

Chemical Spotlight

New Report

The Onterris Outlook: Why Environmental Performance Is Business-Critical

Why environmental performance is business-critical

How to Build a Measurement Strategy that Withstands Regulatory Evolution

A framework for chemical manufacturers to assess environmental monitoring technologies based on the decisions they support, risks they reduce and value they create

Rethinking Emissions Monitoring as a Tool for Operational Assurance

Temp CEMS and FTIR: A practical example of how chemical manufacturers can turn emissions data into faster, more informed decisions.

Canada’s Federal VOC Regulations: What Facility Operators Need to Prioritize

Federal VOC Regulations Phase 2 focus on emissions from petroleum liquid storage tanks and loading racks, with phased requirements now in effect for affected facilities.

Future-Proofing Semiconductor Fabrication: Managing PFAS Risk Without Sacrificing Uptime

The right treatment strategy can help semiconductor manufacturers control PFAS risk without disrupting production

A Smarter Air Permitting Strategy for a Texas Refinery

Strategic planning creates a more efficient permitting pathway and keeps critical refinery modernization on schedule

AFFF Transition Is Not Just a Foam Swap

Removing legacy foam without addressing residual contamination, system compatibility and waste management creates serious operational and environmental risks long after the changeout is complete

The Industrial Wastewater Paradigm Shift: From Treatment to Resource Recovery

Why forward-thinking industries are transforming wastewater from a compliance cost into a strategic source of water, energy and valuable materials

Odor Complaints Need Chemistry

Odor complaints often begin with someone reporting a smell in the environment: rotten eggs, chemical-like or something foul

“Just-in-Time” Compliance: The Hidden Risk Building in Legacy Environmental Programs

Teams in asset-intensive industries now need to recognize indicators of operational risk long before compliance brings them into view

Designing a Modern LDAR Program: Why Compliance Alone Is No Longer Enough

The best LDAR programs no longer ask, “Are we compliant?” They ask, “What are our emissions telling us about our operation?”

Why the AFFF Transition Is Becoming a Major Engineering and Liability Test

As fluorine-free foam becomes the industry standard, facility operators are finding that the real challenge is not choosing a replacement, but addressing what legacy systems reveal during the transition.

Strengthening PFAS Data Integrity Through Stage 4 Data Validation

Rigorous data review can uncover issues that summary reports do not show, protecting data integrity across the project lifecycle

Critical Thinking in Data Validation: How Small Errors Can Have Big Impacts

Critical thinking and professional judgment help uncover small data issues before they become costly project risks