Wallace, Lance A. <br/><br/>
Rapid Techniques for Calculating the Pollutant Atandards Index: / 
Lance A. Wallace, and Wayne R. Ott 
 - Washington :  United States Government Printing Office,  1980 
 - vii, 64 p. :  28 cm. 
<br/><br/> EPA-600/4-79-039 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Air--Pollution--United States--Environmental aspects<br/>Air quality management--social welfare--United States
<br/><br/><label>Dewey Class. No.: </label>363.7392