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The Integrated Risk Information System (IRIS) is an environmental assessment program operated by the U.S. Environmental Protection Agency (EPA). The IRIS program is focused on risk assessment , and not risk management (those decision processes involving analysis of regulatory, legal, social and economic considerations related to the risks being ...
The Comprehensive Environmental Response, Compensation, and Liability Act of 1980 (CERCLA), also known as "Superfund", requires that the criteria provided by the Hazard Ranking System (HRS) be used to make a list of national priorities of the known releases or threatened releases of hazardous substances, pollutants, or contaminants in the United States. [2]
The Environmental Protection Agency (EPA) is an independent agency of the United States government tasked with environmental protection matters. [2] President Richard Nixon proposed the establishment of EPA on July 9, 1970; it began operation on December 2, 1970, after Nixon signed an executive order. [3]
Standards for performing a Phase I site assessment have been promulgated by the US EPA [1] and are based in part on ASTM in Standard E1527-13. [ 2 ] If a site is considered contaminated, a Phase II environmental site assessment may be conducted, ASTM test E1903, a more detailed investigation involving chemical analysis for hazardous substances ...
In December 2020 the EPA announced new clearance levels for lead-contaminated dust from chipped or peeling lead-based paint. This dust can remain at the sites of lead removal activities, such as pre-1978 homes and childcare facilities. The change strengthened federal lead clearance level restrictions for the first time in almost 20 years. [205]
Rather than create a solely national program, the CAA imposes responsibilities on the U.S. states to create plans to implement the Act's requirements. EPA then reviews, amends, and approves those plans. EPA first promulgated SIP regulations in 1971 and 1972. [46] The 1970 Amendments imposed eight criteria that an implementation plan must meet. [47]
[69] [70] [71] Then-EPA Administrator Scott Pruitt signed a proposed rule to repeal the Clean Power Plan on that day. [72] New York's and Massachusetts’ attorneys general planned to sue the EPA over the repeal. [73] The EPA held a hearing, titled, "Proposal to Repeal the Clean Power Plan", on Nov. 28–29, 2017 in Charleston, West Virginia. [74]
The Clean Air Act of 1963 (CAA) was passed as an extension of the Air Pollution Control Act of 1955, encouraging the federal government via the United States Public Health Service under the then-Department of Health, Education, and Welfare (HEW) to encourage research and development towards reducing pollution and working with states to establish their own emission reduction programs.