40 Protection of Environment 20 2007-07-01 2007-07-01 false Abbreviations. 87.2 Section 87.2 Protection of Environment ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) AIR PROGRAMS (CONTINUED) CONTROL OF AIR POLLUTION FROM AIRCRAFT AND AIRCRAFT ENGINES General Provisions
§ 87.2 Abbreviations.

The abbreviations used in this part have the following meanings in both upper and lower case:

COCarbon Monoxide FAAFederal Aviation Administration, Department of Transportation HCHydrocarbon(s) hr.Hour(s) LTOLanding takeoff min.Minute(s) NOXOxides of nitrogen rORated output rPRRated pressure ratio sec.Seconds SPShaft power SNSmoke number TTemperature, degrees Kelvin TIMTime in mode WWatt(s) °Degree %Percent [47 FR 58470, Dec. 30, 1982, as amended at 49 FR 31875, Aug. 9, 1984; 62 FR 25365, May 8, 1997]