Environmental Assessment and Remediation Service
Phase I Environmental Site Assessment

A Phase I Environmental Site Assessment (ESAs) is performed in accordance with the EPA All Appropriate Inquiry (AAI) Rule and ASTM Standard E 1527-05 and is designed to identify potential environmental liability associated with the current and historical use of the property and adjoining properties.

  • Historical property records review and land-use research;
  • Interviews with current and previous owners and occupants;
  • Site inspection and review of current property operations and conditions;
  • Regulatory environmental records, file and database reviews;
  • Level 1 vapor encroachment and intrusion assessments;
  • Identification of Recognized Environmental Conditions (RECs), Historical RECs (HRECs) and Controlled RECs (CRECs) or other conditions indicative of potential environmental impact and financial liability; and,
  • Opinions and recommendations regarding the findings of the assessment.


Based upon the results of the Phase I Environmental Site Assessment, further evaluation to better characterize environmental conditions and potential liability may be warranted. Such conditions are typically explored through Phase II Environmental Site Assessment investigation and sampling.

Engineering Services offered by BioBlend Technologies include but not limited to Remedial Action Plans, Remediation Design, Site Plans, Storm Water Plans and Permits, and Spill Prevention Plans.

BBT offers both environmental consulting services and hands-on field service crews that can perform assessment and remedial services.  This includes:

  • Site assessment and ground water monitoring.
  • Installation and operation and maintenance of remediation equipment
  • Storage tank cleaning, installation and removal
  • Environmental drilling (soil boring installation and sampling, monitoring well installation)
  • Spill response
  • Excavation associated with spills construction projects

Professionals with BBT have worked with gas stations, dry cleaners, small drinking water systems, oil and gas facilities, and real estate professionals, among others.  Our staff of trained, experienced field managers, equipment operators, drillers, and technicians all has extensive experience, which serves to provide an additional level of quality and safety to each project.   

Our experience includes a broad range of site conditions, innovative technologies, and a long list of sites that have been successfully remediated.  Our philosophy is to combine industry-proven technology with innovative thinking to moving the project thru the remedial action phase as quickly and efficiently as possible.  Our demonstrated success in understanding our clients’ needs and in applying sound scientific, engineering, economic, and management skills at a variety of sites and diverse facilities has earned EWI an outstanding reputation.  BBT is able to coordinate and implement all phases of environmental remediation, from initial planning to system operation and maintenance. 
BBT has direct experience with the following remedial technologies:

  • In-situ Injections
  • Bioremediation
  • Chemical Soil Blending
  • Product Recovery & Source Removal
  • Pump and Treat
  • Soil Vapor Extraction / Air Sparging
  • System Design & Installation
  • Large Diameter Auger Excavation
  • Soil Excavation
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