A Not-for-Profit Solution for Providing Long-Term Stewardship, Verification and Evaluation of Environmental Land Use Restrictions


US EPA Adopts an "Enforcement First" Policy to Ensure Institutional Control Effectiveness


While the liability protections offered landowners under the Brownfields Amendments are a "carrot" for maintaining institutional controls, the United States Environmental Protection Agency is also using a "stick" approach, by wielding its enforcement powers.  US EPA's Office of Site Remediation and Enforcement has directed the agency’s program and enforcement staff, as well as Department of Justice, to pursue any actions necessary to ensure the implementation and effectiveness of institutional controls.
    Learn More:


    Welcome to the family of Sentinel Stewardship Companies  

    Providing long-term stewardship alternatives for the maintenance of engineering controls and institutional controls to brownfield redevelopers and   commercial property owners.  The Sentinel Stewarship Companies are all units of the American Brownfields Assurance Company, Inc.

    Contact Information


    Postal address 
         2093 Robinson Road, SE, Grand Rapids, Michigan   49506
    Electronic mail
         General Info: info 
         Sales:  sales
         Customer Support:  support 
         Webmaster:  webmaster