EPA's final pcb ban rule :  over 100 questions & answers to help you meet these requirements  / 
United states environmental protection agency 
 - Rev. edition 
 - Washington :  United States Government Printing Office,  1980 
 - 40 p.  ;  28 cm. 
<br/><br/> Toxic substances 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental problems<br/>Public safety programs
<br/><br/><label>Dewey Class. No.: </label>363.7