What instructions cover the discharge of oily waste into the ocean?

The reference that covers the discharge of oily waste into the ocean is OPNAVIST 3100.6. This instruction provides guidelines and regulations related to the proper handling and disposal of oily waste, emphasizing the importance of preventing environmental pollution and ensuring compliance with naval policies.

OPNAVIST 3100.6 establishes protocols for the management of oily waste, which is crucial for naval operations to minimize ecological impacts and adhere to federal laws regarding waste disposal at sea. The instruction outlines the specific circumstances under which discharges may occur and the requirements for reporting and documentation, thereby reinforcing the Navy's commitment to environmental stewardship.

Other references listed do not focus specifically on oily waste discharge or are intended for different purposes within naval operations, which illustrates why OPNAVIST 3100.6 is the correct choice in this context.