Laws & Regulations

Revised Cross-State Air Pollution Rule Update Proposed State Budgets

This page includes information on the determination regarding Good Neighbor Obligations for the 2008 Ozone National Ambient Air Quality Standard.

Learn the results of EPA's 2010 Acid Rain Program sulfur dioxide (SO2) allowance auction results.

Learn the results of EPA's 2006 Acid Rain Program sulfur dioxide (SO2) allowance auction results.

Learn the results of EPA's 2012 Acid Rain Program sulfur dioxide (SO2) allowance auction results.

Learn the results of EPA's 2011 Acid Rain Program sulfur dioxide (SO2) allowance auction results.

Learn the results of EPA's 2009 Acid Rain Program sulfur dioxide (SO2) allowance auction results.

Learn the results of EPA's 2008 Acid Rain Program sulfur dioxide (SO2) allowance auction results.

Learn the results of EPA's 2007 Acid Rain Program sulfur dioxide (SO2) allowance auction results.

Learn the results of EPA's 2005 Acid Rain Program sulfur dioxide (SO2) allowance auction results.

Learn the results of EPA's 2002 Acid Rain Program sulfur dioxide (SO2) allowance auction results.

Learn the results of EPA's 2001 Acid Rain Program sulfur dioxide (SO2) allowance auction results.

Learn the results of EPA's 1999 Acid Rain Program sulfur dioxide (SO2) allowance auction results.

Learn the results of EPA's 1998 Acid Rain Program sulfur dioxide (SO2) allowance auction results

Learn the results of EPA's 1997 Acid Rain Program sulfur dioxide (SO2) allowance auction results.

Learn the results of EPA's 1996 Acid Rain Program sulfur dioxide (SO2) allowance auction results.

Learn the results of EPA's 1995 Acid Rain Program sulfur dioxide (SO2) allowance auction results.

Learn the results of EPA's 1993 Acid Rain Program sulfur dioxide (SO2) allowance auction results.

Learn the results of EPA's 2014 Acid Rain Program sulfur dioxide (SO2) allowance auction results.

Learn the results of EPA's 2014 Acid Rain Program sulfur dioxide (SO2) allowance auction results, which took place March 25, 2014.