Access the document prepared by the U.S. Census Bureau,
Pollution Abatement Costs and Expenditures: 2005,
available online at www.census.gov/prod/2008pubs/ma200-05.pdf.
Examine the state-level data for total capital and operating abatement costs. Analyze the differences among any subset of states, and offer a hypothesis as to why these differences might exist. Your answer should not be longer than 300 words.
