Superfund Site: DIAZ CHEMICAL

Superfund Site Profile

To view the Community Update: Public Availability Session to be held on July 11, 2017: click here

To view the Explanation of Significant Differences to the 2012 Record of Decision:  click here


The Diaz Chemical Corporation (Diaz Chemical) site is located in Holley, New York. The area includes the Diaz Chemical facility and parts of the surrounding residential neighborhood. Following an accidental release of a chemical mixture in 2002, members of the public complained of acute health effects. Residents voluntarily relocated from some of the homes in the neighborhood to area hotels with assistance from Diaz Chemical. In May 2002, the Environmental Protection Agency (EPA) assumed responsibility for the relocation expenses of the residents who remained relocated at that time, secured the site and removed contaminated materials. In June 2003, Diaz Chemical filed for bankruptcy and abandoned the facility, leaving behind large volumes of chemicals in drums and tanks. Immediate cleanup actions at the site have protected immediate threats to human health and the environment.