Guidance on the application of refined dispersion models for air tox ics releases. 

 - Washington, D.C. :    United States Environmental Protection Agency,    1991. 
 - v. :    ill. ;    30 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Air -- Pollution.<br/> Chemical industries -- Safety measures
<br/><br/><label>Dewey Class. No.: </label>363.7392