Barber, Lawrence K. <br/><br/>
Processing chrome tannery effluent to meet best available treatment standards / 
by Lawrence K. Barber, Ernest R. Ramirez [and] William L. Zemaitis 
 - Washington, D.C. :  U.S. Environmental Protection Agency,  1979 
 - x, 152 p. ;  28 cm. 
 - Research reporting series. .
<br/><br/> Environmental protection technology : EPA-600/2-79-110 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Factory and trade waste. <br/>Sewage -- Purification --Activated sludge process. <br/>Sewage sludge.
<br/><br/><label>Dewey Class. No.: </label>US 628.5  / B 233(July/1979)