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Mercury Pollution

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Mercury is a dangerous toxin that has become widespread throughout our environment. Coal-fired power plants, waste incinerators, chlor-alkali plants, and other U.S. sources dump 150 tons of mercury per year into our air. Much of the mercury in the air returns to earth, contaminating our lakes and streams as methylmercury, a powerful neurotoxin. Methylmercury accumulates in fish, which is especially hazardous to the people and wildlife that eat these fish.  In 2002, 45 states issued more than 2,000 fish consumption warnings because of mercury contamination.  Advisories for mercury increased 11 percent from 2001 to 2002 (1,933 to 2,140) and increased 138 percent from 1993 to 2002 (899 to 2,140).  Large predatory ocean fish, such as swordfish, shark, and large tuna, can also have dangerous levels of methylmercury.

While national policies have been successful at reducing mercury emissions from medical and municipal waste incinerators by over 90 percent since 1990, mercury pollution from coal-fired power plants (the largest remaining sources) remains completely unregulated.  As our country continues to grow mercury pollution from power plants is predicted to increase with increased electrical demand, which is why it is so important that we do something now to reduce this pollution.  Up until the spring of 2003, EPA was working toward finalizing an effective regulatory policy to reduce mercury from power plants by over 90 percent beginning in 2008.  Unfortunately, the Bush Administration unilaterally derailed this goal and EPA instead proposed a rule in January 2004 that rolls back the progress and will at best reduce emissions by 70 percent but not until 2018.  Under the Bush proposal yet another entire generation will have to be exposed to unhealthy levels of mercury and women and pregnant mothers will continue to worry about safety of the fish they want to feed their family.

Vermonters recognize the threat posed by mercury, and we have taken proactive steps to reduce our exposure. Our product labeling law and our thermometer exchange program are examples to other states. But the most forward-thinking state laws cannot prevent mercury pollution from drifting across our borders to contaminate our lakes and streams. Although Vermont has no major sources of mercury, we are forced to issue statewide advisories against fish consumption to protect public health.

This situation is unacceptable, and I have led the fight in Congress to reduce mercury pollution and protect public health. Working with my colleagues in the Senate, I have introduced legislation that would greatly reduce mercury emissions and would warn consumers about the levels of mercury in fish they buy at the grocery store.  I have pushed EPA to move forward with mercury controls, and I have pushed FDA to protect consumers. I remain committed to solving this problem.

Senator Leahy's mercury-related legislation:

Learn more about Senator Leahy's efforts on mercury:

Guidelines for Eating Seafood:

The EPA and FDA have advised that women of childbearing age and children should limit their consumption of some seafood and shellfish.  Specific advice is summarized in this pocket guide, which was produced by Physicians for Social Responsibility. The Vermont Department of Health has also put out an advisory for Vermont waters that has specific recommendations for locally-caught fish.

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