18, 2007] As89.109 Maintenance instructions and minimum allowable maintenance intervals. (a) The ... (c) This paragraph (c) specifies emission- related scheduled maintenance for purposes of obtaining durability data for nonroad engines.
|Title||:||Code of Federal Regulations, Title 40, Protection of Environment, Parts 87-99, Revised as of July 1, 2009|
|Author||:||Office of the Federal Register|
|Publisher||:||Government Printing Office - 2009-10-27|