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Federal law in the United States

The Resource Conservation and Recovery Act (RCRA), enacted in 1976, is the principal federal law in the United States governing the disposal of solid waste and hazardous waste.

In 1980 Congress designated several kinds of industrial wastes as "special wastes," which are exempt from Subtitle C, including oil and gas exploration and production wastes (such as drill cuttings, produced water, and drilling fluids), coal combustion residuals generated by electric power plants and other industries, mining waste, and cement kiln dust. See Solid Waste Disposal Amendments of 1980.

RCRA Subtitle J regulated medical waste in four states (New York, New Jersey, Connecticut, Rhode Island) and Puerto Rico, and expired on March 22, 1991. (See Medical Waste Tracking Act.) State environmental and health agencies regulate medical waste, rather than EPA. Other federal agencies have issued safety regulations governing the handling of medical waste, including the Centers for Disease Control and Prevention, Occupational Safety and Health Administration, and the Food and Drug Administration.

EPA published a CCR regulation in 2015 that would restrict the continued use of unlined ash ponds (surface impoundments) by coal fired power plants. This regulation, was which was modified by the Trump administration in 2018, has been challenged in litigation and remanded to EPA for further revision by the United States Court of Appeals for the District of Columbia Circuit. In response to the court decision, EPA published a proposed rule on December 2, 2019 that would establish an August 31, 2020 deadline for facilities to stop placing ash in unlined impoundments. The proposal would also provide additional time for some facilities—up to eight years—to find alternatives for managing ash wastes before closing surface impoundments.

The Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA), also known as "Superfund," was enacted in 1980 to address the problem of remediating abandoned hazardous waste sites, by establishing legal liability, as well as a trust fund for cleanup activities. In general CERCLA applies to contaminated sites, while RCRA's focus is on controlling the ongoing generation and management of particular waste streams. RCRA, like CERCLA, has provisions to require cleanup of contaminated sites that occurred in the past.

In 1984 Congress expanded the scope of RCRA with the enactment of Hazardous and Solid Waste Amendments (HSWA).

Treatment, storage, and disposal facilities (TSDFs) manage hazardous waste under RCRA Subtitle C and generally must have a permit in order to operate. While most facilities have RCRA permits, some continue to operate under what is called "interim status." Interim status requirements appear in 40 CFR Part 265. The permitting requirements for TSDFs appear in 40 CFR Parts 264 and 270. TSDFs manage (treat, store, or dispose) hazardous waste in units that may include: container storage areas, tanks, surface impoundments, waste piles, land treatment units, landfills, incinerators, containment buildings, and/or drip pads. The unit specific permitting and operational requirements are described in further detail in 40 CFR Part 264, Subparts J through DD.