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Trusted Environmental Mitigation Solutions in Irvine
Actoc has been a national leader in environmental mitigation services for over 25 years. Founded in Southern California, our expertise in vapor intrusion, methane mitigation, and radon reduction systems has grown to serve clients nationwide. We combine engineering precision with hands-on construction capabilities to deliver end-to-end solutions for residential, commercial, industrial, and institutional projects. Our team of licensed professionals maintains full control over every project phase, from design to installation and ongoing monitoring. With offices in Irvine and San Ramon, California, we operate across 25 states, including Arizona, Colorado, Nevada, New Mexico, Oregon, and Utah.

Our commitment to innovation and regulatory compliance has earned recognition from top developers and contractors. We hold comprehensive licenses for engineering, electrical work, plumbing, and general contracting. Client testimonials highlight our communication, schedule adherence, and technical excellence. Our 24/7 monitoring systems and proprietary telemetry technology ensure long-term site safety. As part of the FullTerra family, we leverage nationwide resources while maintaining local market expertise.
Services
Brownfield Redevelopment Construction Defect Litigation Methane Mitigation Systems Radon Reduction System Telemetry Systems Vapor Intrusion
Details
  • Year established: 2000
Highlights and features
  • 25+ years of specialized experience in environmental mitigation systems
  • Integrated design-build approach with in-house engineering and construction teams
  • Nationwide service across 25 states including California, Arizona, and Colorado
  • 24/7 real-time telemetry monitoring with automated alerts
  • Proven compliance with complex state and federal regulations
What people say
Outstanding service Easy to work with Leading experts Met schedules Quality installations
Services
Methane Mitigation Systems
Our methane mitigation systems protect properties through customized barrier installations and active ventilation solutions. We conduct soil gas surveys and design systems compliant with LA Department of Building Safety and DTSC regulations. Our services include monitoring, system validation, and ongoing maintenance to ensure long-term safety for residential and commercial developments.
Radon Reduction Systems
We implement sub-slab depressurization and soil gas barriers to mitigate radon exposure risks. Our EPA-compliant solutions integrate with construction schedules for new developments and retrofit projects. Post-installation monitoring ensures continued effectiveness in protecting occupant health across residential and institutional buildings.
Vapor Intrusion Mitigation
Our vapor intrusion solutions combine real-time telemetry monitoring with physical barrier systems. We conduct environmental site assessments and install customized ventilation systems to prevent harmful chemical vapors from entering buildings. Ongoing maintenance programs ensure compliance with environmental regulations for industrial and commercial properties.
Brownfield Redevelopment
We transform contaminated properties through comprehensive assessment, remediation planning, and mitigation system installation. Our services include environmental site assessments, permit acquisition, and implementation of vapor barriers and soil remediation systems. We help clients navigate regulatory requirements while converting underutilized sites into productive developments.
Construction Defect Litigation Support
We provide technical expertise for construction defect claims involving environmental mitigation systems. Our services include defect identification, remediation planning, and expert testimony. We address design flaws, material failures, and workmanship issues related to vapor barriers, methane systems, and radon mitigation installations.
People
Sarah Martin
Operations and Finance Manager
With 10 years at ACT, Sarah has grown professionally while contributing to company success through financial management and operational leadership in a supportive team environment.
Francisco Fonseca
Construction Manager
As a founding member with 25 years of service, Francisco has led major projects including establishing ACT's NorCal office to improve operational efficiency and project delivery.
Robert Beckman
Construction Manager
With 17 years at ACT, Robert has developed over 10 field crews and 100 installers, fostering a culture of continuous improvement and professional growth in environmental mitigation projects.
Michael Alvarez
Senior Project Manager
A 10-year veteran, Michael specializes in full-cycle projects like California's 1 million sq ft industrial barrier installation, demonstrating ACT's design-to-build capabilities.
Scott Cole
Vice President
With 24 years of leadership experience, Scott oversees project management and technical operations, driving innovation in methane mitigation and radon barrier systems nationwide.
Questions
What environmental mitigation services do you offer?
We provide methane mitigation, radon reduction, vapor intrusion systems, brownfield redevelopment, and construction defect litigation support across residential, commercial, and industrial sectors.
How long has ACT been in business?
ACT has specialized in environmental mitigation since 2000, with our California roots growing into nationwide service across 25 states.
Do you handle both design and installation?
Yes, we're a true design-build firm with in-house engineering and construction teams, though we can also install systems designed by other environmental engineers.
What areas do you serve?
We operate nationwide with particular expertise in California, Arizona, Colorado, Nevada, New Mexico, Oregon, and Utah, handling projects in 25 states.
Do you offer 24/7 monitoring services?
Our telemetry systems provide 24/7 real-time monitoring with automated alerts for continuous system performance tracking and rapid response capabilities.
How do you ensure regulatory compliance?
We maintain comprehensive licensing and have navigated complex regulations from California to the Carolinas, including helping shape industry standards through our experience.