AST Environmental, Inc. (Freehold, NJ) is a nationally recognized leader for in situ injection and environmental construction services, specifically known for groundwater remediation and in situ slurry injection using proprietary subsurface distribution techniques. The company also operates as the design, distribution, and master installer for Remediation Products, Inc. (RPI) Trap & Treat™ in situ products- the first and most innovative activated carbon remediation technology in the marketplace. Additionally, AST is the preferred in situ injection installer for CETCO’s Fluoro-Sorb® adsorbent for PFAS, and a preferred installer for FerroBlack® reactants for heavy metals treatment, e.g. As, Cr6, Hg, and more. As a privately held small business, AST thrives as an integral, specialized part of project teams, with a focus on supporting consultants, responsible parties, and stakeholders with challenging environmental impacts in overburden, transition zone, and fractured bedrock.