(a) Following a determination by ATSDR to conduct a health assessment in response to a request from the public, ATSDR shall notify in writing, at a minimum, the following parties of its intent to perform a health assessment:

1. (1) The U.S. Environmental Protection Agency;
2. (2) The appropriate State government environmental agency;
3. (3) The appropriate State and local health departments;
4. (4) The requestor;

5. (5) The owner or operator of the facility of concern, if their identity is readily available to ATSDR.

   In addition, ATSDR will notify, in writing or by telephone, other potentially responsible parties, if their identity is readily available to ATSDR.