Statute treatment: 40 C.F.R. § 270.1

Ranked leading cases interpreting this statute, drawn from 59 citation events across 25 distinct cases.

59citations total

25distinct interpreting cases

18distinct courts

0citations in last 5y

1985–2020year range

Top 20 leading cases

#1 American Iron and Steel Institute v. U.S. Environmental Protection Agency, American Petroleum Institute, Edison Electric Institute, Intervenors (1989) cadc 72 own cites 8× in case

#2 United States v. Richard Heuer, United States of America v. Eugene Holderness (1993) ca9 31 own cites 4× in case

#3 McClellan Ecological Seepage Situation v. Weinberger (1988) caed 33 own cites 2× in case

#4 C. D. Spangler Construction Co. v. Industrial Crankshaft & Engineering Co. (1990) nc 123 own cites 1× in case

#5 Wasco LLC v. N.C. Dep't of Env't & Natural Res. (2017) ncctapp 4 own cites 6× in case

#6 Empire Energy Management Systems, Inc. v. James G. Roche, Secretary of the Air Force (2004) cafc 34 own cites 1× in case

#7 Sierra Club v. United States Department of Energy (1991) cod 6 own cites 3× in case

#8 Inland Steel Company and Bethlehem Steel Corporation v. Environmental Protection Agency and William K. Reilly, Administrator Thereof (1990) ca7 23 own cites 1× in case

#9 United States v. Professional Sales Corp. (In Re Professional Sales Corp.) (1985) ilnd 8 own cites 2× in case

#10 United States v. Domestic Industries, Inc. (1999) vaed 7 own cites 2× in case

#11 Slay v. TEX. COM'N ON ENVIRONMENTAL QUALITY (2011) texapp 11 own cites 1× in case

#12 United States v. WCI Steel, Inc. (1999) ohnd 10 own cites 1× in case

#13 Donahey v. Bogle (1993) ca6 34 own cites 1× in case

#14 United States v. Bogas (1990) ohnd 7 own cites 1× in case

#15 RP1 Fuel Cell, LLC v. United States (2015) uscfc 6 own cites 1× in case

#16 Coalition for Health Concern v. LWD, Inc. (1993) kywd 5 own cites 1× in case

#17 Clean Harbors Servs., Inc. v. Ill. Int'l (2018) illinoised 3 own cites 1× in case

#18 In Re Consolidated Land Disposal Regulation Litigation, National Solid Wastes Management Association, Intervenors (1991) cadc 2 own cites 1× in case

#19 Slay v. Texas Commission on Environmental Quality (2011) texapp 5 own cites 1× in case

#20 Commonwealth Oil Refining Co. v. United States Environmental Protection Agency (1986) ca5 1 own cites 5× 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.