Final answer:
The EPA's Protective Action Guides establish the policy and procedures for the ESD program, providing guidelines for response to radiological events.
Step-by-step explanation:
The policy and procedures for the implementation of the ESD program are established by the EPA Protective Action Guides. These guides are crucial documents that outline the strategies for responding to radiological events. Specifically, the EPA's publication titled "EPA Protective Action Guides, Draft for interim use" provides the necessary guidelines. Additionally, other documents like the Federal Test Procedure Revisions also contribute to regulatory guidelines for environmental standards and practices.