Hazardous waste sites (51 - 60 of 74 items)
Superfund: Risk Assessment Process and Issues
T-RCED-93-74: Published: Sep 30, 1993. Publicly Released: Sep 30, 1993.
GAO discussed the Environmental Protection Agency's (EPA) risk assessment process for Superfund hazardous waste sites, focusing on: (1) human health risks posed by Superfund sites; and (2) the assumptions and calculations used in risk assessments. GAO noted that: (1) EPA Superfund risk assessment is a 3-step process that evaluates exposure and toxicity risks, and estimates potential health risks;...
Superfund: EPA Could Do More to Reduce Responsible Parties' Legal Expenses
T-RCED-93-73: Published: Sep 28, 1993. Publicly Released: Sep 28, 1993.
GAO discussed possible ways to reduce the costs of resolving liability for hazardous waste cleanup in the Environmental Protection Agency's (EPA) Superfund program, focusing on EPA use of: (1) de minimis settlements for parties that contribute comparatively small amounts of low-toxicity waste; (2) nonbinding allocations of responsibility (NBAR) for clean-up costs; (3) mixed-funding agreements betw...
Superfund: Cleanups Nearing Completion Indicate Future Challenges
RCED-93-188: Published: Sep 1, 1993. Publicly Released: Sep 9, 1993.
Pursuant to a congressional request, GAO reviewed the Environmental Protection Agency's (EPA) completed Superfund hazardous waste cleanup actions, focusing on the: (1) type and extent of actions taken at those sites; and (2) challenges EPA will face in managing and monitoring these sites.GAO found that: (1) significant amounts of hazardous wastes have been removed or controlled at 149 EPA Superfun...
Superfund: Progress, Problems, and Reauthorization Issues
T-RCED-93-27: Published: Apr 21, 1993. Publicly Released: Apr 21, 1993.
GAO discussed the Environmental Protection Agency's (EPA) management and future reauthorization of the Superfund Program. GAO noted that: (1) although the Superfund program has had limited success in cleaning up hazardous waste sites and responding to emergency releases on hazardous substances, EPA needs to address streamlining the cleanup process, controlling program costs, the effectiveness of c...
Superfund: Current Progress and Issues Needing Further Attention
T-RCED-92-56: Published: Jun 11, 1992. Publicly Released: Jun 11, 1992.
GAO discussed the Environmental Protection Agency's (EPA) Superfund Program. GAO noted that: (1) the cost and scope of Superfund have greatly exceeded initial projections of $1.6 billion for the cleanup of 406 hazardous waste sites in 1980 to $40 billion for 1,275 sites, with a projected increase of 700 sites needing attention by 2000; (2) the program has taken more than 2,800 emergency actions, s...
Coast Guard: Additional Efforts Needed to Clean Up Hazardous Waste Sites
RCED-90-164: Published: Jul 6, 1990. Publicly Released: Aug 6, 1990.
Pursuant to a congressional request, GAO provided information on the Coast Guard's progress in carrying out its statutory environmental responsibilities.GAO found that: (1) since 1987, the Coast Guard has identified many additional potential hazardous waste locations; (2) the Coast Guard estimated that of the 20 locations requiring cleanup, relatively minor action at 16 locations will cost about $...
The Coast Guard's Cleanup of Hazardous Waste Sites
T-RCED-90-6: Published: Nov 1, 1989. Publicly Released: Nov 1, 1989.
GAO discussed the U.S. Coast Guard's actions to carry out its responsibilities under environmental laws, focusing on its efforts to identify and clean up its hazardous waste locations. GAO noted that: (1) the Coast Guard believes that it has identified all of its hazardous waste locations and has cleaned up 12 of the 26 locations it identified, but 3 remaining major cleanup efforts will take up to...
Superfund De Minimis Settlements
T-RCED-88-46: Published: Jun 20, 1988. Publicly Released: Jun 20, 1988.
GAO discussed the Environmental Protection Agency's (EPA) implementation of the Superfund Amendments and Reauthorization Act of 1986 focusing on EPA de minimis settlement activities at two Superfund sites. GAO noted that the de minimis settlements involve parties that have caused a relatively small share of the pollution at the nation's worst hazardous waste sites. GAO found that EPA: (1) reached...
Superfund: Extent of Nation's Potential Hazardous Waste Problem Still Unknown
RCED-88-44: Published: Dec 17, 1987. Publicly Released: Jan 19, 1988.
Pursuant to a congressional request, GAO studied the extent to which the Environmental Protection Agency (EPA) increased its hazardous waste site discovery efforts to determine the: (1) total possible number and types of sites that required investigation; (2) status of 837 sites EPA did not include in its 1985 Comprehensive Environmental Response, Compensation, and Liability Information System (CE...
Superfund: Civilian Federal Agencies Slow To Clean Up Hazardous Waste
RCED-87-153: Published: Jul 24, 1987. Publicly Released: Aug 28, 1987.
In response to a congressional request, GAO evaluated the status of 11 civilian federal agencies' efforts to identify, assess, evaluate, and clean up hazardous waste sites.GAO found that: (1) about 70 percent of the 1,882 potential hazardous waste sites identified as of September 1986 were at the Department of Energy's nuclear materials and weapons facilities and research laboratories; (2) the Dep...