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HSW Engineering
Green Initiative
"Green Today... Better Tomorrow."
HSW Green Initiative

Environmental Consulting and Engineering


The HSW Team develops creative, cost-effective solutions to complex environmental issues for private and public clients.  Forward-thinking environmental management is recognized by HSW as a necessary and fundamental strategic business element and is critical to the success of the business and its clients.  HSW offers a proactive, programmatic view of environmental assessment and remediation, waste and resource management, environmental protection and cleanup, regulatory partnering, and recognizes the importance of continually keeping the end in mind.  Our environmental closure strategies are complemented by Lean Six Sigma DMAIC tools (Define, Measure, Analyze, Improve, and Control) to improve performance by systematically minimizing waste of resources and time. Use of DMAIC helps deliver sustained, defect-free performance, and reduce costs over the project’s duration.

HSW staff have extensive experience in all aspects of site characterization and contamination assessment, environmental media (groundwater, surface water, soil, sediment, air, and waste) monitoring, and site rehabilitation (remediation) of impacted soil, water and ecological resources.  Sources of contamination investigated by HSW include stored petroleum waste products (gasoline, diesel, fuel oil, avgas, and jet fuel), organic solvents, inorganics, metal-plating wastes, pesticides, PCBs and solid and hazardous waste.  This work has included the following: 

  • Site Investigation and Remediation;
  • Site Characterization (groundwater, soil, sediment, and surface water contamination);
  • Contamination Assessments;
  • Remediation Design / Construction  / Operation and Maintenance;
  • Remedial System Optimization;
  • Closure Planning / Exit Strategies;
  • Implementation of Risk-Based Corrective Actions Including Conditional Closures using both Engineering and Institutional Controls;
  • RCRA / CERCLA Compliance;    
  • Permitting and Compliance (Class III Landfills, NPDES Discharges, Air Emission Discharges, POTW Discharges, RCRA Facility Operating and Closure, Industrial, Municipal, and Consumptive Water Use, among others;
  • Statistical Trend Analyses of Soil and Water Chemistry, Quantity and Quality of Surface Water and Groundwater, Water Level, Water Use, and Ecological Data Sets;
  • Brownfields Redevelopment;
  • Hydrogeologic / Fate and Transport Modeling;
  • Environmental Litigation Support / Expert Witness / Forensic Studies;    
  • Pre-acquisition (Environmental Due Diligence) Site Assessments (Phase I, Phase II, and III ESAs);
  • Hazardous Materials Management;
  • Streamlined Assessment Approaches; and        
  • Design and Implementation of Groundwater and Surface Water Monitoring Programs.
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