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Unformatted text preview: Eastern United States. The Northeast (Ohio, Pennsylvania) achieved the greatest reductions. d. ANC stands for Acid Neutralizing Capacity, a measure of the ability of the water and watershed soil to neutralize the acid deposition. The higher, the better. e. Eastern US national parks varied in the amount of improvement of visibility. Dolly Sods achieved a 10% improvement, Shenandoah (20%), Washington D.C. & Edmon B. Forsynthe (30%), and Acadia (40%). The average would seem to be ~25%. f. The estimated benefit associated with the decreased health problems caused by SO2 and NOx is $40 billion per year by 2010 (in 1994 dollars)....
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- Spring '11