Part 232 contains definitions applicable to the section 404 program for discharges of dredged or fill material. These definitions apply to both the federally operated program and State administered programs after program approval. This part also describes those activities which are exempted from regulation. Regulations prescribing the substantive environmental criteria for issuance of section 404 permits appear at 40 CFR part 230. Regulations establishing procedures to be followed by the EPA in denying or restricting a disposal site appear at 40 CFR part 231. Regulations containing the procedures and policies used by the Corps in administering the 404 program appear at 33 CFR parts 320-330. Regulations specifying the procedures EPA will follow, and the criteria EPA will apply in approving, monitoring, and withdrawing approval of section 404 State programs appear at 40 CFR part 233.