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Phase I Environmental Studies

Leaders’ team of Environmental Services Specialists performs detailed Phase 1 ESAs to identify potential liabilities and Recognized Environmental Conditions (RECs) at your project site.  We comply with industry-accepted ASTM International Standard Practice E1527-13, as well as municipal, county and federal regulatory agencies. The United States Environmental Protection Agency (“USEPA”) has determined that the ASTM E1527-13 Standard is consistent with the requirements for conducting an All Appropriate Inquiry (AAI) into the previous ownership and uses of a property consistent with “good commercial or customary practice. This practice also permits the User to satisfy one of the requirements to qualify for “Landowner Liability Protections” (LLPs) under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA).

The Phase I ESA scope of services includes:

  • A review of environmental records to assess past uses and the potential for past onsite and offsite petroleum products or hazardous waste discharge or disposal. 
  • A site reconnaissance of the Subject Property and surrounding area to assess for the following at a minimum:
    • Existing or potential soil and water contamination, as evidenced by soil or pavement staining, stressed/dead vegetation, or indications of waste dumping or burial;
    • Pits, ponds, lagoons, or depressed areas;
    • Storage containers holding hazardous substances or petroleum products;
    • Electrical and hydraulic equipment that may contain polychlorinated biphenyls (PCBs), such as electrical transformers and hydraulic lifts; and,
    • Underground and aboveground storage tanks (USTs and ASTs).
  • A review of readily available information on general geology and topography of the Subject Property and surrounding area, local groundwater conditions, and proximity to ecologically sensitive receptors, such as streams, lakes, or other surface water bodies. We will also identify sources of water, power, and sewer service.
  • An investigation of  historical uses of the Subject Property through reasonably ascertainable ASTM Standard historical sources for evidence of prior land use that could have led to RECs. These Standard historical sources may include aerial photographs, United States Geological Survey topographic maps, fire insurance maps, local street directories, property tax files, building department records, and zoning/land use records.  
  • A review of a commercial database summary of ASTM Standard Federal, State, Local, and Tribal regulatory agency records pertinent to the Subject Property and offsite facilities located within the ASTM-specified search distances from the Subject Property.
  • A review of reasonably ascertainable Federal, State, Local, and Tribal environmental agency case files/records for onsite and adjoining facilities identified in the database summary report that have the potential to adversely impact the Subject Property. .
  • As available, we attempt to interview the Subject Property owner or operator and occupants, regarding current and previous uses of the Subject Property. Past owners, operators, and occupants will also be interviewed to the extent they are identified and available.
  • A Subject Property line visual assessment of adjacent properties for evidence of potential offsite environmental conditions that may affect the Subject Property. 
  • A written report that documents our work performed on the Subject Property, including the results of the assessment, conclusions, and recommendations as warranted by the data and submit to the User in final electronic format. The report  concludes with Leaders’  opinion regarding the presence of RECs associated with the Subject Property. The report will include recommendations for additional assessment/investigation, as warranted, based on the findings of the Phase I ESA.