Showing posts with label NITROGEN OXIDES. Show all posts
Showing posts with label NITROGEN OXIDES. Show all posts

Tuesday, April 2, 2013

EPA, DOMINION ENERGY SETTLEMENT TO REDUCED HARMFUL POLLUTION IN THREE STATES

FROM: U.S. ENVIRONMENTAL PROTECTION AGENCY
Settlement with Dominion Energy Reduces Harmful Pollution in Three States and Downwind Communities

WASHINGTON
– The Department of Justice and the U.S. Environmental Protection Agency (EPA) announced today that Dominion Energy has agreed to pay a $3.4 million civil penalty and spend approximately $9.8 million on environmental mitigation projects to resolve Clean Air Act (CAA) violations.

The settlement will result in reductions of nitrogen oxides, sulfur dioxide, and particulate matter by more than 70,000 tons per year, across three of the utility’s coal-fired power plants, located in Kincaid, Ill., State Line, Ind., and Somerset, Mass.

"Today’s settlement substantially reduces harmful pollution from coal-fired power plants in and around communities with significant air pollution concerns," said Cynthia Giles, assistant administrator for EPA’s Office of Enforcement and Compliance Assurance. "Along with the pollution reductions at the three power plants covered by the agreement, the settlement also requires Dominion to invest over $9 million in pollution reducing projects in neighboring communities."

"This settlement will improve air quality in states in the Midwest and Northeast by eliminating tens of thousands of tons of harmful air pollution each year," said Ignacia S. Moreno, assistant attorney general for the Justice Department’s Environment and Natural Resources Division. "These reductions mark the latest step in our continuing efforts, along with EPA, to protect public health and the environment through rigorous enforcement of the Clean Air Act."

Under the settlement, Dominion must install or upgrade pollution control technology on two plants, and permanently retire a third plant. Dominion will be required to continuously operate the new and existing pollution controls, and will be required to comply with stringent emission rates and annual tonnage limitations. The actions taken by Dominion to comply with this settlement will result in annual reductions at the Brayon Point and Kincaid plants of sulfur dioxide and nitrogen oxides emissions by 52,000 tons from 2010 levels. The retirement of the State Line plant will result in an additional reduction of 18,000 tons of Sulfor dioxide and nitrogen oxides.

The settlement also requires Dominion to spend $9.75 million on projects that will benefit the environment and human health in communities located near the Dominion facilities. A total of $9 million will be spent on such projects as ; 1) wood stove changeouts, including $2 million for changeouts in southeastern Massachusetts, Rhode Island, and eastern Connecticut; 2) switcher locomotive idle reduction for Chicago rail yards, 3) land acquisition and restoration adjacent to, or near, the Indiana Dunes National Lakeshore, 4) energy efficiency and geothermal/solar projects for local schools and food banks, and 5) clean diesel engine retrofits for municipalities and school districts. Dominion must also pay a total of $750,000 to the United States Forest Service and the National Park Service, to be used on projects to address the damage done from Dominion’s alleged excess emissions.

Reducing air pollution from the largest sources of emissions, including coal-fired power plants, is one of EPA’s National Enforcement Initiatives for 2011-2013. Sulfor dioxide and nitrogen oxides, two key pollutants emitted from power plants, have numerous adverse effects on human health and are significant contributors to acid rain, smog, and haze. These pollutants are converted in the air to fine particles of particulate matter that can cause severe respiratory and cardiovascular impacts, and premature death. Reducing these harmful air pollutants will benefit the communities located near Dominion facilities, particularly communities disproportionately impacted by environmental risks and vulnerable populations, including children. Because air pollution from power plants can travel significant distances downwind, this settlement will also reduce air pollution outside the immediate region. The total combined sulfur dioxide and nitrogen oxides emission reductions secured from all power plant settlements to date will exceed nearly 2 million tons each year once all the required pollution controls have been installed and implemented.

The settlement was lodged today in the U.S. District Court for the Central District of Illinois, and is subject to a 30-day public comment period and final court approval.




Wednesday, September 12, 2012

OFFROAD VEHICLE MANUFACTURER TO PAY $885,000 FOR CLEAN AIR ACT VIOLATIONS

Photo Credit: Wikimedia.
FROM: U.S. ENVIRONMENTAL PROTECTION AGENCY

Recreational Vehicle Manufacturer to Pay $885,000 Penalty to Resolve Violations of the Clean Air Act
WASHINGTON – The U.S. Environmental Protection Agency (EPA) announced a settlement with recreational vehicle manufacturer, American Suzuki Motor Corporation and Suzuki Motor Corporation, to pay an $885,000 penalty for allegedly importing and selling 25,458 uncertified all-terrain vehicles (ATVs) and off-road motorcycles in the United States. ATVs and motorcycles that are not certified may be operating without proper emissions controls and can emit excess hydrocarbons and nitrogen oxides that can cause respiratory illnesses, aggravate asthma and contribute to the formation of ground level ozone, or smog.

"EPA’s vehicle emission standards are vital safeguards that protect our nation’s air quality," said Cynthia Giles, assistant administrator for EPA’s Office of Enforcement and Compliance Assurance. "By taking action to deter the importation and sale of non-compliant engines, EPA is not only protecting people’s health, but is also ensuring a level playing field for manufacturers that play by the rules."

The Suzuki ATVs and off-road motorcycles were uncertified because they were manufactured with an undisclosed electronic emission control configuration that would allow the vehicles to be modified for increased horsepower through the installation of an aftermarket part. This type of modification could lead to increased emissions of hydrocarbons and nitrogen oxides. Design features that may effect emissions must be disclosed in certificate applications. Vehicles that do not conform to the design specifications in their certificate applications are not covered by a certificate. The violations were identified and self-disclosed by Suzuki.

The Clean Air Act (CAA) prohibits any vehicle or engine from being imported into or sold in the United States unless it is covered by a valid, EPA-issued certificate of conformity indicating that the vehicle or engine meets applicable federal emission standards. The certificate of conformity is the primary way EPA ensures that vehicles and engines meet emission standards. This enforcement action is part of an ongoing effort by EPA to ensure that all imported vehicles and engines comply with the CAA’s requirements.

The settlement requires Suzuki to implement three emission mitigation projects to reduce hydrocarbon emissions by 210 tons or more. The projects include replacing older unregulated gas cans with gas cans that meet current evaporative emission requirements, discontinuing the sale of high-permeability fuel line hoses, and installing evaporative emission control devices on certain models of highway motorcycles sold throughout the United States.

Suzuki also will modify its warranty policy and owner’s manual for ATVs and off-road motorcycles to increase awareness of modifications to emissions control systems, environmental regulations, prohibited modifications, and acts that could result in loss of warranty coverage.

Monday, August 13, 2012

ENVIRONMENTAL QUESTION: WHAT IS ACID RAIN?

What is Acid Rain?
FROM:  U.S. ENVIRONMENTAL PROTECTION AGENCY
INFORMATION ON ACID RAIN
Clean Air Status and Trends Network (CASTNET) – CASTNET provides atmospheric data on the dry deposition component of total acid deposition, ground-level ozone and other forms of atmospheric pollution.

National Atmospheric Deposition Program (NADP) – NADP is a network of over 100 federal, state and local government agencies, and private sector entities that collect data on acid deposition, as well as mercury deposition.

EPA Clean Air Markets Data and Maps – Provides access to a variety of data associated with emissions trading programs, including trends in emissions and heat input, environmental assessment maps, data sets and reports on acid deposition, facility attributes and contacts, and other file downloads
ACID RAIN DEFINED
"Acid rain" is a broad term referring to a mixture of wet and dry deposition (deposited material) from the atmosphere containing higher than normal amounts of nitric and sulfuric acids. The precursors, or chemical forerunners, of acid rain formation result from both natural sources, such as volcanoes and decaying vegetation, and man-made sources, primarily emissions of sulfur dioxide and nitrogen oxides resulting from fossil fuel combustion. In the United States, roughly 2/3 of all sulfer dioxide and 1/4 of all nitrogen oxides come from electric power generation that relies on burning fossil fuels, like coal. Acid rain occurs when these gases react in the atmosphere with water, oxygen, and other chemicals to form various acidic compounds. The result is a mild solution of sulfuric acid and nitric acid. When sulfur dioxide and nitrogen oxides are released from power plants and other sources, prevailing winds blow these compounds across state and national borders, sometimes over hundreds of miles.

Wet DepositionWet deposition refers to acidic rain, fog, and snow. If the acid chemicals in the air are blown into areas where the weather is wet, the acids can fall to the ground in the form of rain, snow, fog, or mist. As this acidic water flows over and through the ground, it affects a variety of plants and animals. The strength of the effects depends on several factors, including how acidic the water is; the chemistry and buffering capacity of the soils involved; and the types of fish, trees, and other living things that rely on the water.

Dry DepositionIn areas where the weather is dry, the acid chemicals may become incorporated into dust or smoke and fall to the ground through dry deposition, sticking to the ground, buildings, homes, cars, and trees. Dry deposited gases and particles can be washed from these surfaces by rainstorms, leading to increased runoff. This runoff water makes the resulting mixture more acidic. About half of the acidity in the atmosphere falls back to earth through dry deposition.



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