AG & S offers a wide range of environmental management services including:
PRELIMINARY (PHASE I) ENVIRONMENTAL SITE ASSESSMENTS
Phase I Site Assessments are performed in conformance with ASTM Standard Practice for Environmental Site Assessments: Phase I ESA Process (ASTM E1527) and Standard Guide for Environmental Site Assessments: Phase II ESA Process (ASTM E1903).
PHASE I ASSESSMENTS INCLUDE:
Existing site conditions.
Current land use.
Local/state/federal regulatory agency records for the site.
Historic property reviews (aerial photographs, historic maps, etc.).
Surrounding property surveys.
Personal tenant/owner interviews.
Performing a site reconnaissance.
Lien Assessment
Regulatory agency documents are reviewed for historical and on-going operational practices, existence of leaking surface or underground storage tanks, visual indications of possible mishandling of toxic substances (e.g., spills or accidents, cleanup operations, etc.), previous testing by others, and punitive actions by various regulatory agencies.
SITE CHARACTERIZATION INVESTIGATIONS
We perform detailed site characterization investigations for definition of on-site and off-site soil and groundwater contamination plumes.
SITE INVESTIGATIONS INCLUDE:
Developing detailed work plans
Advancing soil borings/direct push borings
Installing soil vapor probes
Soil gas surveys
Installing ground water monitoring wells
Groundwater pump testing
Attenuation Monitoring services
Fate and transport assessments
Sensitive Receptor studies
Remedial Action Plans necessary to support site closure or site remediation services
Remediation System Design and Management
Post-Closure Monitoring
Subsequent ground water characterization studies are performed when required to further determine soil and hydraulic characteristics of aquifer materials, definition of on-site and off-site soil, ground water contamination plumes, including remedial feasibility studies.
