"We always take health into perspective as we build, but we also have to look at it in realistic terms to make sure that those issues are well done," says Greg Higdon of the Kentucky Association of Manufacturers. But environmentalists say manufacturers can adapt.
"By doing the things like ratcheting down these levels of ozone fine particles, and sulfur dioxide, and other pollutants, we are improving the quality of life," says John Blair of Valley Watch.
The EPA is expected to release a draft of the new standards by December 1st.
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