Final answer:
The primary federal agency responsible for cleaning up hazardous waste is the Environmental Protection Agency (EPA).
Step-by-step explanation:
The primary federal agency responsible for cleaning up hazardous waste is the Environmental Protection Agency (EPA). The EPA was created in 1970 with the goal of protecting human health and the environment through the enforcement of regulations based on laws passed by Congress. They conduct research, promote education, and enforce federal standards regarding environmental protection.