Services Markets About Us Resource Center Contact Us Request A Quote Client Login SITE MITIGATION Site Mitigation Services AEI provides full-service environmental site characterization, investigation, mitigation, and remediation services to address potential environmental concerns. Our national presence and regional expertise provides our clients with solutions from environmental due diligence through complete site mitigation, if needed, regardless of the site location. Our licensed professionals maintain relationships with regional regulatory oversight agencies and are in touch with the latest local and regional regulatory requirements to help our client achieve their goals with respect to compliance and occupant health and safety. Our national team of geologists, engineers, and scientists are informed about the most current sampling and remediation techniques to bring best-in-class problem-solving to complex environmental challenges. We leverage our expertise to help our clients meet their financing, development, risk management, or property management goals. Site Investigation Methods and Management Site investigations can determine the extent of environmental impacts, allowing for the design and implementation of appropriate mitigation or remediation methods if needed. AEI stays on the leading edge of evolving investigation methods and environmental concerns through close contact with regulatory agencies and industry groups. We consult with our clients to continuously develop the most budget- and schedule-friendly methods for assessment and mitigation. Subsurface investigations determine if there are significant environmental impacts that may warrant corrective action or remediation. These can include collecting soil vapor, soil, and/or groundwater samples at a property. We compare data based on findings of a Phase II Subsurface Investigation, inclusive of any analytical testing, to applicable state and federal regulatory standards to determine: Any next steps required Likely associated costs to implement those steps Remediation scenarios that might apply to facilitate the close of the transaction Subsurface investigations are frequently recommended for property types with the current and historical use of: Dry Cleaning Operations Circuit Board Manufacturing Printing Operations Manufacturing and Industrial Operations with Hazardous Materials or Petroleum Product Processes and Storage Landfills Gasoline Dispensing and Service Stations Underground Storage Tanks (USTs) and Aboveground Storage Tanks (ASTs) Mitigation, Remediation, and Risk Management Once site investigations are completed and the extent of the impact has been characterized, AEI’s engineers, geologists, and scientists will mitigate the site conditions in alignment with the client’s goals and regulatory requirements. AEI’s experienced team evaluates a wide range of remedial options based on site-specific data and regulatory considerations. Our strategically designed programs take into account both the current use and anticipated future use of a property. Our capabilities include: Regulatory advocacy Remedial investigations Feasibility studies Risk assessments Remedial design Remedial implementation Operation and management We stay abreast of constantly evolving technologies to offer our clients most economical remedial options to meet their specific project needs. Our common-sense approach results in significant time and cost reductions for our clients. Our services include, but are not limited to: In-Situ and Ex-Situ Bioremediation Soil Vapor Extraction and Treatment / Bioventing Air Sparging/In-well Oxygen Diffusion In-Situ Chemical Oxidation Product Recovery Soil/Chemical Stabilization Groundwater Extraction and Treatment Thermal Treatment Vapor Mitigation including Sub-Slab Depressurization Reactive Barrier Installation/Slurry Walls Recovery Trenches and Wells Soil Excavation Feasibility Studies Regulatory Assistance Institutional / Engineering Controls Activity and Use Limitations Long-term Stewardship Cost Opinion of Cost to Closure Litigation and Expert Witness Services Risk Assessment Understanding the potential risks posed by environmental contamination is key to developing an appropriate response. AEI’s expert consultants use risk assessment methodologies in each and every project to understand any risks posed to human health or the environment. Once the potential risk is understood, it will then be used to formulate the mitigation and/or remediation strategy, as well as any further investigative or exposure pathway analyses that may be required. Vapor Intrusion Vapor intrusion and vapor encroachment are the primary concerns at properties impacted with volatile organic chemicals, including petroleum from leaking underground storage tanks or pipelines, chlorinated solvents from dry cleaning facilities, and radon gas. AEI’s experienced geologists and scientists perform vapor intrusion investigation studies at residential, commercial, and industrial properties on a daily basis. Vapor Intrusion studies typically involve sampling indoor and ambient air, soil vapor and/or groundwater. If vapor intrusion or encroachment is found to be a concern, we are experienced at designing vapor mitigation systems for most existing and new buildings. Solid/Hazardous Waste Program Management Every business generates waste in some capacity. We work with our clients to ensure compliance, reduce waste, and maximize recycling. AEI has waste management experts that can help with waste determination, permitting, waste disposition, and overall management of our clients’ solid, hazardous, biological, radiological, and universal waste programs. Construction Site Services Underground Storage Tanks (UST) and Aboveground Storage Tank (AST) Permitting and Removal AEI Tank Services include: UST Permitting All regulated USTs owners are required to have permits for all UST or leak detection systems removals, renovations and operations. UST owners will be subjected to penalties if they do not acquire all proper permits. AEI assists clients in obtaining these necessary permits. UST Removal If contamination is discovered AEI can assist in applying for reimbursement of cleanup costs. With the experience from removing and replacing of over 1,200 USTs within California, AEI has the expertise to remove or close underground storage tanks cost effectively. In-Situ Closure In the event that a direct tank removal is not a practical solution, AEI will perform an in situ-closure which involves a triple rinsing of the tank and then filling it with inert cement slurry. This usually occurs in cases where the UST is under the foundation of a building or installed in close proximity to a structure or highway. In these situations AEI performs an in situ-closure upon approval of the local agencies involved. Demolition AEI works to innovate demolition solutions for buildings with environmental hazards. AEI’s demolition services are intended for small commercial and residential properties. Contaminated Soil Disposal and Recycling AEI will determine and coordinate the most cost effective and environmentally sustainable solution for the removal and disposal of hazardous materials or contaminated soil. Our experienced staff will perform analytical sampling and testing on contaminated soils in order to determine the most appropriate treatment method for contaminated soil. AEI will then transport the soil for disposal. Onsite Waste Cleanup and Facility Closures In facilities where waste has accumulated over time, property owners must remove the hazardous materials or ensure they will not pose a threat to human health or the environment. AEI is experienced in the removal and disposing of hazardous material and obtaining the correct certificates of disposal. AEI has the ability to install and remove oil water separators, remove hydraulic lifts, and perform closures and demolition of hazardous facilities. 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