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Remedial Technology Feasibility Studies

LandScience is capable of performing a variety of Remedial Technology Feasibility Studies (RTFS). The purpose of performing a RTFS is to help evaluate the effectiveness of a particular remedial technology in achieving site-specific contamination restoration goals. Generally, a RTFS is performed after completion of a Site Assessment and prior to completion of a Remedial Action Plan (RAP). LandScience recommends performing a RTFS during the conceptual remedial action plan phase in order to determine if implementing the proposed technology will result in an acceptable reduction of contaminant concentrations.

Since there are usually several potential remedial technologies that may be applicable for a particular site cleanup, it is usually prudent to determine which remedial technology will yield the most optimum contaminant mitigation results, taking into account all physical site constraints, physio-chemical contaminant properties, regulatory guidelines, engineering, capital and equipment costs, operational and maintenance costs, and the possible aesthetic effects that may be caused by implementation of the technology. By completion of a RTFS prior to completion of a RAP, LandScience is able to determine if the proposed remedial technology will result in an overall cost effective site cleanup.

LandScience can develop specific testing protocols in conjunction with regulatory acceptance procedures so that the results of a RTFS can be used as either a rational to consider an alternative technology, or as a basis for design in preparation of a Remedial Action Plan. LandScience has experience in performing the Remedial Technology Feasibility Studies for the following in-situ technologies:

Volatilization Technologies:

• Groundwater Extraction and Treatment via Air Stripping (i.e. pump tests)
• Soil Vapor Extraction (low vacuum/high flow air extraction from the vadose zone)
• Air Sparging (high pressure/low flow compressed air injection below the water table)
• Combination Air Sparging/Soil Vapor Extraction
• Dual Phase Extraction (high vacuum extraction of soil vapors and groundwater)
• Combination Dual Phase Extraction/Air Sparging

LandScience has the experience and ability to consider site constraints, contaminant chemical characteristics, geochemical conditions, regulatory issues, and budgetary constraints to design the most optimum and practical RTFS for your RAP preparation needs.