Pollution control (21 - 30 of 194 items)
Environmental Protection: More Complete Data and Continued Emphasis on Leak Prevention Could Improve EPA's Underground Storage Tank Program
GAO-06-45: Published: Nov 30, 2005. Publicly Released: Nov 30, 2005.
Leaking underground storage tanks that contain hazardous products, primarily gasoline, can contaminate soil and groundwater. To address this problem, the Environmental Protection Agency (EPA), under its Underground Storage Tank (UST) Program, required tank owners to install leak detection equipment and take measures to prevent leaks. In 1986, the Congress created a federal trust fund to assist sta...
Hazardous Waste Programs: Information on Appropriations and Expenditures for Superfund, Brownfields, and Related Programs
GAO-05-746R: Published: Jun 30, 2005. Publicly Released: Jul 6, 2005.
Our July 2003 report on the status of the Environmental Protection Agency's (EPA) Superfund program included, among other things, data on the program's appropriations and expenditures for fiscal years 1993 to 2002. In February 2004, we issued a report updating that information and, in May 2004, we broke down the appropriations data, reporting the amounts for the Superfund program as well as amount...
Groundwater Contamination: DOD Uses and Develops a Range of Remediation Technologies to Clean Up Military Sites
GAO-05-666: Published: Jun 30, 2005. Publicly Released: Jun 30, 2005.
To date, the Department of Defense (DOD) has identified nearly 6,000 sites at its facilities that require groundwater remediation and has invested $20 billion over the past 10 years to clean up these sites. In the past, DOD primarily used "pump-and-treat" technologies to contain or eliminate hazardous contaminants in groundwater. However, the long cleanup times and high costs of using pump-and-tre...
Clean Air Act: Emerging Mercury Control Technologies Have Shown Promising Results, but Data on Long-Term Performance Are Limited
GAO-05-612: Published: May 31, 2005. Publicly Released: Jun 23, 2005.
In March 2005, the Environmental Protection Agency (EPA) issued a rule that will limit emissions of mercury--a toxic element that causes neurological problems--from coal-fired power plants, the nation's largest industrial source of mercury emissions. Under the rule, mercury emissions are to be reduced from a baseline of 48 tons per year to 38 tons in 2010 and to 15 tons in 2018. In the rule, EPA s...
Clean Air Act: Observations on EPA's Cost-Benefit Analysis of Its Mercury Control Options
GAO-05-252: Published: Feb 28, 2005. Publicly Released: Mar 7, 2005.
Mercury is a toxic element that can cause neurological disorders in children. In January 2004, the Environmental Protection Agency (EPA) proposed two options for limiting mercury from power plants, and plans to finalize a rule in March 2005. The first would require each plant to meet emissions standards reflecting the application of control technology (the technology-based option), while the secon...
Environmental Protection: Recommendations for Improving the Underground Storage Tank Program
GAO-03-529T: Published: Mar 5, 2003. Publicly Released: Mar 5, 2003.
Nationwide, underground storage tanks (UST) containing petroleum and other hazardous substances are leaking, thereby contaminating the soil and water, and posing health risks. The Environmental Protection Agency (EPA), which implements the UST program with the states, required tank owners to install leak detection and prevention equipment by the end of 1993 and 1998 respectively. The Congress aske...
Environmental Protection: MTBE Contamination From Underground Storage Tanks
GAO-02-753T: Published: May 21, 2002. Publicly Released: May 21, 2002.
To help limit air pollution, about a third of the states use gasoline that contains methyl tertiary butyl ether (MTBE), which burns cleaner. However, MTBE has migrated into wells and groundwater from leaking underground tanks used to store gasoline. The Environmental Protection Agency (EPA) has the responsibility through the Underground Storage Tank Program and works through the states to ensure t...
Environmental Protection: Improved Inspections and Enforcement Would Ensure Safer Underground Storage Tanks
GAO-02-712T: Published: May 8, 2002. Publicly Released: May 8, 2002.
Hazardous substances that leak from underground storage tanks can contaminate the soil and water and pose continuing health risks. Leaks of methyl tertiary butyl ether--a fuel additive--have forced several communities to close their wells. GAO surveyed all 50 states and the District of Columbia to determine whether tanks are compliant with the Environmental Protection Agency's (EPA) underground st...
Environmental Protection: Improved Inspections and Enforcement Would Better Ensure the Safety of Underground Storage Tanks
GAO-01-464: Published: May 4, 2001. Publicly Released: May 9, 2001.
The states and the Environmental Protection Agency (EPA) cannot ensure that all active underground storage tanks have the required leak-, spill-, and overfill-protection equipment installed, nor can they guarantee that the installed equipment is being properly operated and maintained. Although the states and EPA regions focus most of their limited resources on monitoring active tanks, empty or ina...
EPA's Expenditures to Clean Up the Bunker Hill Superfund Site
GAO-01-431R: Published: Mar 28, 2001. Publicly Released: Mar 28, 2001.
In 1995, the Environmental Protection Agency (EPA) and the state of Idaho signed an agreement to clean up a mining area known as Bunker Hill. The agreement estimated that the total cost of the cleanup would be $126 million, with the state's share capped at $12.6 million. This correspondence focuses on (1) EPA's actual expenditures for cleanup activities and how these expenditures differ from the e...