R 336.1840 Definitions for the NOx RACT rules.

Rule 840. As used in R 336.1841 to R 336.1846: (a) “2015 ozone nonattainment areas” means collectively the nonattainment area of Berrien County, the nonattainment area of the western portion of Allegan County, and the nonattainment area of the western portion of Muskegon County. (b) “Engine test cell” or “engine test stand” means a combustion device and its associated apparatus used to develop, characterize, and test uninstalled engines for operational and emission specifications. (c) “Equal to or more stringent than” means the pollutant, units of measurement, time periods, operating scenarios, equipment, monitoring, and recordkeeping, as applicable, of 1 standard or requirement can be established to be at least as stringent as that of a second standard or requirement. (d) “Gaseous fuels” means propane, natural, digester, landfill, and coke oven gas. (e) “Liquid fuels” means residual and distillate fuel oils, and liquid biomass. (f) “MMBtu” means million British thermal units. (g) “NOx” means oxides of nitrogen. (h) “RACT” means Reasonably Available Control Technology. (i) “Solid fuels” means coal, pet coke, tire-derived material, wood, and solid biomass. (j) “Tune-up” means adjustments made to an engine or boiler in accordance with procedures supplied by the manufacturer, vendor, or as applicable, certified, or licensed specialist to optimize the combustion efficiency or performed in accordance with 40 CFR part 63, subpart DDDDD or JJJJJJ. (k) “Western portion of Allegan County” means the areas located in Allegan County described as Casco Township, Cheshire Township, city of Douglas, city of Holland, city of Saugatuck, Clyde Township, Fillmore Township, Ganges Township, Heath Township, Laketown Township, Lee Township, Manlius Township, Overisel Township, Saugatuck Township, and Valley Township. (l) “Western portion of Muskegon County” means the areas located in Muskegon County described as Blue Lake Township; city of Montague; city of Muskegon; city of Muskegon Heights; city of North Muskegon; city of Roosevelt Park; city of Whitehall; Dalton Township, including village of Lakewood Club; Fruitland Township; Fruitport Township, including village of Fruitport; Laketon Township; Montague Township; Muskegon Township; city of Norton Shores; White River Township; and Whitehall Township.