Ninth Circuit: NATURAL RES. DEFENSE COUNCIL V. PENNY PRITZKER



Environment, Administrative


Agency determination of de minimis impact did not vitiate statutary requirement that rulemaking be of  the least practicible adverse impact.

Data-poor areas are not excepted from the requirement by the best-information rule.

Speculative long-term measures do not meet burden of implementing the least-practicible-impact standard.


NATURAL RES. DEFENSE COUNCIL V. PENNY PRITZKER
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