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Congress enacted RCRA to address the increasing problems the nation faced from its growing volume of municipal and industrial waste. RCRA was an amendment of the Solid Waste Disposal Act of 1965. The act set national goals for: Protecting human health and the natural environment from the potential hazards of waste disposal.
As of June 6, 2024, there were 1,340 Superfund sites in the National Priorities List in the United States. [2] Thirty-nine additional sites have been proposed for entry on the list, and 457 sites have been cleaned up and removed from the list. [2] New Jersey, California, and Pennsylvania have the most sites. [3]
As of 2022, 1333 sites are on the list, and 48 sites have been proposed for listing. 443 sites were deleted from the list. [1] The primary cleanup goal is to reduce the risks to human health and human health in the environment through a combination of cleanup, engineered controls like caps and site restrictions such as groundwater use restrictions.
The NPL guides the EPA in "determining which sites warrant further investigation" for environmental remediation. [2] As of March 10, 2011, there were 94 Superfund sites on the National Priorities List in California. [2] Three additional sites have been proposed for entry on the list. [2] Twelve sites have been cleaned up and removed from the ...
Consequently, less than half the number of sites were cleaned up from 2001 to 2008, compared to before. The decrease continued during the Obama administration , and since under the direction of EPA Administrator Gina McCarthy Superfund cleanups decreased even more from 20 in 2009 to a mere 8 in 2014.
In regulatory terms, RCRA hazardous wastes are wastes that appear on one of the four hazardous wastes lists (F-list, K-list, P-list, or U-list), or exhibit at least one of the following four characteristics; ignitability, corrosivity, reactivity, or toxicity. in the US, Hazardous wastes are regulated under the Resource Conservation and Recovery ...
The Environmental Protection Agency (EPA) has published a list of "extremely hazardous substances (EHS)." For each EHS, the list includes the name, the Chemical Abstract Service number of the substance, and a number called a threshold planning quantity (TPQ). The TPQ, expressed in pounds, is the critical number.
P-List wastes are wastes that are considered "acutely hazardous" when discarded and are subject to more stringent regulation. Nitric oxide is an example of a P-list waste and carries the number P076. U-Listed wastes are considered "hazardous" when discarded and are regulated in a somewhat less stringent manner than P-Listed wastes.