Proposal of emission control area designation for geographic control of emissions from ships  electronic resource 
United States Environmental Protection Agency, Office of Transportation and Air Quality 
 - Washington, D.C.  U.S. Environmental Protection Agency, Office of Trransportation and Air Quality  2009 
<br/><br/> Title from title screen (viewed on March 31 2009). 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Air quality--Standars<br/>Marine diesel motors.<br/>Marine engines--Standars--United States<br/>Marine engines--Standars--United States
<br/><br/><label>GPO Item No.: </label>0483-E-22(online) 
<br/><br/><label>Gov. Doc. Class. No.: </label>EP 6065:420_F-09-015