Statute treatment: 40 C.F.R. § 51.12

Ranked leading cases interpreting this statute, drawn from 11 citation events across 9 distinct cases.

11citations total

9distinct interpreting cases

5distinct courts

0citations in last 5y

1972–1983year range

Top 9 leading cases

#1 Sierra Club v. Ruckelshaus (1972) dcd 55 own cites 3× in case

#2 Movement Against Destruction v. Volpe (1973) mdd 38 own cites 1× in case

#3 Natural Resources Defense Council, Inc. v. Environmental Protection Agency (1973) cadc 36 own cites 1× in case

#4 Sierra Club v. Environmental Protection Agency (1976) cadc 25 own cites 1× in case

#5 Commonwealth v. Locust Point Quarries, Inc. (1979) pa 17 own cites 1× in case

#6 Natural Resources Defense Council, Inc. v. United States Environmental Protection Agency (1973) ca8 14 own cites 1× in case

#7 Sierra Club v. Environmental Protection Agency (1983) cadc 8 own cites 1× in case

#8 cluster 426154 (1983) cadc 1 own cites 1× in case

#9 Natural Resources Befense Council, Inc. v. United States Environmental Protection Agency (1973) ca8 1 own cites 1× in case

Ranking method: leading_score = ln(1 + own_citation_count) × √(mentions_in_case) × flag_factor, where flag_factor = 1.0 green · 0.6 unknown · 0.5 neutral · 0.4 yellow · 0.3 procedural · 0 red. Red-flagged cases excluded — their interpretation has been undermined and shouldn't lead the list. Top 20 returned per statute. Open any case for full G Cite, trajectory, and per-circuit treatment.