Benesh, Frank, <br/><br/>
A procedure for tracking emissions growth and air quality maintenance :  final report / 
by Frank H. Benesh, Phillip D. McLellan ; GCA Corporation, GCA/Technology Division. 
 - 1 online resource (x, 135 pages) 
<br/><br/> "This final report was furnished to U.S. Environmental Protection Agency by GCA Corporation, GCA/Technology Division, Bedford, Mass., 01730, in fulfillment of Contract No. 68-01-4354"--Page ii.  "September 1977."  "EPA-400/1-77-001."  "GCA-TR-77-20-G(a)."  CRDP Project record. 
<br/><br/>Includes bibliographical references (pages 123-126). 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Air--Pollution--Standards--United States.<br/>Air--Pollution--Measurement.--United States<br/>Air quality--Standards--United States.<br/>Air quality management--United States.
<br/><br/><label>GPO Item No.: </label>0431-I-01 (online) 
<br/><br/><label>Gov. Doc. Class. No.: </label>EP 1.2:EM 4/59 
<br/><br/><label>Report. No.: </label>EPA-400/1-77-001 GCA-TR-77-20-G(a)