Manufacturers Worry Over Ozone Proposal in Industry Survey (Politico)

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NAM has long been a major critic of EPA's proposal to lower the ozone standard from 75 parts per billion to a range of 65-70 ppb. The group has released studies estimating annual compliance costs as high as $140 million, or $1.7 trillion 2040.

Many parts of the U.S. that meet the current standard would not immediately be in compliance with the lowered one — and manufacturers could be scared off from spending money on projects in those places if their factories cannot get approval to operate.

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