{"data":{"id":"us/40-cfr-appendix-c-to-part-1068","jurisdiction":"us","citation":"40 CFR Appendix C to Part 1068","heading":"Appendix C to Part 1068—High-Altitude Counties","body":"In some cases the standard-setting part includes requirements or other specifications that apply for high-altitude counties. The following counties have substantial populated areas above 4,000 feet above sea level and are therefore considered to be high-altitude counties:\nSTATE OF ARIZONA\nApache\nCochise\nCoconino\nNavajo\nYavapai\nSTATE OF COLORADO\nAdams\nAlamosa\nArapahoe\nArchuleta\nBoulder\nChaffee\nCheyenne\nClear Creek\nConejos\nCostilla\nCrowley\nCuster\nDelta\nDenver\nDolores\nDouglas\nEagle\nElbert\nEl Paso\nFremont\nGarfield\nGilpin\nGrand\nGunnison\nHinsdale\nHuerfano\nJackson\nJefferson\nKit Carson\nLake\nLa Plata\nLarimer\nLas Animas\nLincoln\nMesa\nMineral\nMoffat\nMontezuma\nMontrose\nMorgan\nOtero\nOuray\nPark\nPitkin\nPueblo\nRio Blanco\nRio Grande\nRoutt\nSaguache\nSan Juan\nSan Miguel\nSummit\nTeller\nWashington\nWeld\nSTATE OF IDAHO\nBannock\nBear Lake\nBingham\nBlaine\nBonneville\nButte\nCamas\nCaribou\nCassia\nClark\nCuster\nFranklin\nFremont\nJefferson\nLemhi\nMadison\nMinidoka\nOneida\nPower\nTeton\nValley\nSTATE OF MONTANA\nBeaverhead\nDeer Lodge\nGallatin\nJefferson\nJudith Basin\nPowell\nMadison\nMeagher\nPark\nSilver Bow\nWheatland\nSTATE OF NEBRASKA\nBanner\nCheyenne\nKimball\nSioux\nSTATE OF NEVADA\nCarson City\nDouglas\nElko\nEsmeralda\nEureka\nHumboldt\nLander\nLincoln\nLyon\nMineral\nNye\nPershing\nStorey\nWashoe\nWhite Pine\nSTATE OF NEW MEXICO\nBernalillo\nCatron\nColfax\nCurry\nDe Baca\nGrant\nGuadalupe\nHarding\nHidalgo\nLincoln\nLos Alamos\nLuna\nMcKinley\nMora\nOtero\nRio Arriba\nRoosevelt\nSandoval\nSan Juan\nSan Miguel\nSanta Fe\nSierra\nSocorro\nTaos\nTorrance\nUnion\nValencia\nSTATE OF OREGON\nHarney\nLake\nKlamath\nSTATE OF TEXAS\nJeff Davis\nJudspeth\nParmer\nSTATE OF UTAH\nBeaver\nBox Elder\nCache\nCarbon\nDaggett\nDavis\nDuchesne\nEmery\nGarfield\nGrand\nIron\nJuab\nKane\nMillard\nMorgan\nPiute\nRich\nSalt Lake\nSan Juan\nSanpete\nSevier\nSummit\nTooele\nUintah\nUtah\nWasatch\nWayne\nWeber\nSTATE OF WYOMING\nAlbany\nCampbell\nCarbon\nConverse\nFremont\nGoshen\nHot Springs\nJohnson\nLaramie\nLincoln\nNatrona\nNiobrara\nPark\nPlatte\nSublette\nSweetwater\nTeton\nUinta\nWashakie\nWeston","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER U—AIR POLLUTION CONTROLS","PART 1068—GENERAL COMPLIANCE PROVISIONS FOR HIGHWAY, STATIONARY, AND NONROAD PROGRAMS"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-40.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:04Z","sha256":"206331524e9cb64591d34fca10352d29891317370066ef95760c371a2f5f5d86","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-appendix-b-to-part-1068","next":"us/40-cfr-1074.1"},"notice":"GroundRules: Original legal text. Not legal advice."}