Environmental Services

Expert Environmental Consulting Services

CHANGE provides a broad range of environmental consulting and research services across multiple industries to private and public corporations, industry associations, non-profit organization (NPO), non-governmental organizations (NGO), financial and investment companies, and state and federal agencies.

CHANGE offers the full spectrum of expert environmental consulting and research services you would expect and demand from a global environmental industry thought leader. The following is a list of professional expert environmental science and engineering services we provide to our clients domestically and internationally.

  • Indoor Air Quality
  • Federal & State Compliance Air Quality Modeling: New Source Review (NSR), Title V Air Permitting, Best Achievable Control Technology (BACT), Maximum Achievable Control Technology (MACT), Lowest Achievable Emission Rate (LAER)
  • Atmospheric Dispersion Modeling (Air Toxics, NSR/Prevention of Significant Deterioration (PSD), New Source Performance Standards (NSPS)/National Emission Standards for Hazardous Air Pollutants (NESHAPs) Permitting Compliance Support)
  • Sustainable Transportation Systems
  • Mobile Source Emissions Modeling
  • Transportation Conformity Analysis
  • Computational Fluid Dynamics Modeling
  • Landfill & Industrial Odor Assessments & Studies
  • Multi-Media Environmental Exposure and Risk Assessments
  • Ambient and Mobile Air Quality Monitoring
  • Phase I, Phase II,  and Phase III Assessments
  • Petroleum and Chemical Bulk Storage (PBS/CBS) Assessments
  • Brownfield Site Assessments
  • Energy Inventories and Audits
  • Green House Gas (GHG) Emission Inventories & Reporting
  • Environmental Informatics & Pollution Mapping
  • Carbon Asset Management (Wind, Solar, and Geothermal)
  • Industrial Carbon Foot Printing Assessment
  • Carbon Emission Trading Consulting
  • Environmental Compliance & Engineering
  • Resource Conservation and Recovery Act (RCRA) & Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) Human Health Risk Assessments
  • Certified Industrial Hygiene Support
  • Multi-Site Environmental Health and Safety (EHS) Audits
  • OSHA Compliance Audits and Inspections
  • ISO Compliance Audits
  • Process Safety and Risk Management Audits (PSM/PRM)
  • Certified Site Safety (CSP) Support
  • Climate Change & Sustainability Consulting
  • Certified Hazard Waste Management
  • Hazardous Waste Permit Applications
  • Noise modeling and analysis (Highway, Rail, Vibration)
  • Water Quality Evaluations and Testing
  • Beneficial Reuse Assessments
  • Wetland Permit Applications/Mitigation Strategies
  • Stormwater Pollution Prevention Plans (SWPPPs)
  • Waste Water Management & Engineering

Share This With Others

Tell Us What You Think

We welcome your thoughts, questions and comments. If you have questions, or if you would like to contact a CHANGE environmental expert, please feel free to contact any CHANGE Executive at our corporate headquarters .


Review the file(s) provided here learn more about our organization, its executive leadership and our expert-level environmental consultants, environmental scientists and environmental engineering professionals.

Get Adobe Reader