Our team assists our clients to remediate environmental damage from the past, but also to look to the future to plan and define sustainable steps today that will lead to a more climate-resilient existence. 

ATI’s clients, including the U.S. Department of Defense, U.S. Air Force, U.S. Army Corps of Engineers, U.S. Environmental Protection Agency, U.S. Department of Energy, and other federal and state government clients trust ATI to partner and help solve their most complex environmental challenges and opportunities. We partner with government agencies, municipalities, private sector companies and leading environmental organizations to safely clean-up legacy liabilities for redevelopment, and deliver proven industry expertise on new infrastructure, sustainability and environmental health and safety initiatives around the globe.

Our remediation and restoration professionals leverage our expertise to deliver innovative solutions that solve our clients’ toughest environmental clean-up challenges. We implement site assessments, investigations and remediation projects ranging in size from small, remote sites to complex locations encompassing thousands of acres and manage a wide range of contaminants in all media of concern, from metals to various organic contaminants and emerging contaminants like per- and polyfluoroalkyl substances (PFAS) and help them manage complex issues such as vapor intrusion, soil and sediment contamination, and groundwater in an evolving regulatory environment.

ATI also provides health and safety (EHS) compliance for our clients across the U.S. We combine deep knowledge of our clients’ industries and processes with resources and knowledge gained from decades of supporting environmental site assessments, auditing, compliance, analysis, waste solutions, and, sustainability and resiliency strategies and geospatial/environmental data management solutions.

  • Regulatory Compliance & Permitting
  • Site Characterization  &  Risk Assessment
  • Remediation & Restoration
  • UST/AST management and compliance
  • Water Resources
  • Needs Assessment and Audits
  • Modeling & Analysis
  • Forensic Analysis & Expert Testimony
  • USACE Omaha District
  • US Army, Ft. Belvoir
  • Metropolitan Washington Airports Authority
  • Bureau of Indian Affairs, US Dept. of Interior
  • Contact :  David Nelson, PG
  • Phone : 404.915.5021
  • Location : Atlanta, GA