Contaminants Treated
Every Contaminant Requires a Different Approach
Every contaminant class behaves differently underground, and treating them all the same way is how remediation programs stall. VIYA builds site-specific programs for inorganic, organic, and emerging contaminants, grounded in geochemistry and treatability data rather than a standard playbook.
PFAS & PFOA
A Smarter Approach to PFAS
PFOA and PFOS, often referred to as “forever chemicals”, present one of the most complex challenges in environmental remediation. Their highly stable carbon-fluorine bonds are strong enough to resist the biological and chemical degradation processes that break down most other contaminants. Evolving regulations continue to expand the list of PFAS compounds and lower acceptable concentrations.
VIYA develops site-specific PFAS remediation strategies that combine in-situ immobilization with ex-situ treatment techniques where source removal or destruction is required. Every program is guided by treatability data, site conditions, and measurable performance—helping clients move beyond containment toward long-term risk reduction.
PFAS Contaminants Treated
- PFOA
- PFOS
- GenX
- PFBS
- PFHxS
Inorganic Contaminants Treated
- Hexavalent chromium
- Arsenic
- Lead
- Mercury
- Nitrate
- Perchlorate
Inorganic Contaminants
Managing What Can’t Be Destroyed
Heavy metals and other inorganic compounds cannot be broken down through biological or chemical degradation. Effective remediation depends on understanding how site geochemistry influences contaminant mobility, bioavailability, and long-term stability. Factors like pH buffering capacity, redox state, competing ion concentrations, and aquifer mineralogy can dramatically change the treatment approach.
VIYA combines rigorous site characterization with in-situ and ex-situ treatment strategies designed to stabilize contaminants under real-world subsurface conditions. In heterogeneous soil, that means addressing full leachability rather than total concentrations alone. By evaluating performance-monitoring data, we develop remediation programs that support durable, defensible closure rather than short-term compliance.
Organic Contaminants
When Reductive Decholorination Stalls, We Find Out Why
Chlorinated solvents present some of the most persistent remediation challenges and remain the dominant contaminant class at Superfund and voluntary cleanup sites. DNAPL source zones, back-diffusion from low-permeability layers, and stalled reductive dechlorination can limit the effectiveness of conventional treatment approaches and extend project timelines.
VIYA integrates in-situ thermal treatment, chemical oxidation and reduction (ISCO/ISCR), and enhanced bioremediation into programs built around what the site data shows — not around whatever equipment is easiest to mobilize. From remedial design through implementation, we work alongside engineering teams to evaluate technology feasibility, optimize injection and heating configurations, and build monitoring frameworks that demonstrate progress to regulators.
Organic Contaminants Treated
- PCE
- TCE
- cis-1,2-DCE
- Vinyl chloride
- Other VOCs
Emerging Contaminants Treated
- 1,4-Dioxane
- PFAS precursors
- Microplastics
- Pharmaceuticals
- Industrial compounds
Emerging Contaminants
Prepared for an Evolving Regulatory Landscape
Emerging contaminants are changing the way contaminated sites are investigated, managed, and remediated. As new contaminants are identified and regulatory standards continue to evolve, remediation programs must be capable of evolving with them. Successful treatment requires more than new technologies—it requires an integrated understanding of contaminant behavior, site conditions, and regulatory expectations.
VIYA helps clients stay ahead of this evolving landscape. We continuously evaluate new contaminants, treatment technologies, and regulatory guidance, incorporating them into site investigations, remedial design, and implementation. Whether assessing existing remediation infrastructure or developing new treatment strategies, our recommendations are grounded in site-specific data, treatability testing, and practical field experience.
Technical Solutions
From Contaminants to Containment
Learn more about how VIYA addresses contaminants of concern through holistic remediation solutions:
Approaches to PFAS Mitigation
PFAS has become the defining remediation challenge of this generation. VIYA develops site-specific strategies that immobilize, transform, and reduce PFAS, supported by in-house biological and thermal capabilities, field validation, and independent third-party data.
Technology-Agnostic Approaches to Remediation
VIYA’s innovative technology-agnostic solutions, incorporating thermal, chemical, and biological approaches as appropriate, open the path for more effective remediation approaches for challenging contamination projects.
Ready to Define the Right Path Forward?
Let Site Conditions Lead the Solution.
Every remediation site brings its own subsurface conditions, contaminant behavior, regulatory requirements, and closure goals. VIYA helps technical teams evaluate the full range of thermal, biological, chemical, in-situ, and ex-situ options to identify the most effective, defensible treatment strategy for the problem at hand.