 ATSDR was formally organized as an agency on June 11, 1985.The Superfund Amendments and Reauthorization Act of 1986 (SARA) broadened ATSDR's responsibilities in the areas of public health assessments, establishment and maintenance of toxicological databases, information dissemination, and medical education.In 2003, the position of assistant administrator was replaced with a director who is shared with NCEH.