Air And Water Pollution Control (AWPC) Exam 2 Practice

What change did the 1997 amendment make to BAT?

Expanded BAT to all pollutants Changed BAT to only toxic substances Abolished BAT Removed BAT from regulation

Correct Answer:

Changed BAT to only toxic substances

Explanation:

Best Available Techniques (BAT) are standards that regulate emissions by requiring the most effective technology currently available to address pollutants. The 1997 amendment refined BAT by applying it specifically to toxic substances, rather than to all pollutants. This focuses regulatory controls on substances that pose the greatest risks to health and the environment, ensuring that the effort and cost of control are directed where they matter most. It does not remove BAT or expand its reach to every pollutant; instead, it narrows the scope to substances with significant toxicity, aligning regulation with hazard rather than simply with quantity.

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