Position paper on regulation of atmospheric sulfates / 
Strategies and Air Standards Division. 
 - 1 online resource (xix, 86 pages) :  illustrations 
<br/><br/> Title from title screen (viewed on Apr. 19, 2016).  "EPA-450/2-75-007."  "September 1975."  CRDP Project record. 
<br/><br/>Includes bibliographical references (pages 81-85). 
<br/><br/>Final report. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Air--Pollution--United States.<br/>Atmosphere.<br/>Sulfur compounds--Environmental aspects.
<br/><br/><label>GPO Item No.: </label>0483-E-22 (online) 
<br/><br/><label>Gov. Doc. Class. No.: </label>EP 4.52:SU 5/3 
<br/><br/><label>Report. No.: </label>EPA-450/2-75-007