Ward, Robert C. <br/><br/>
Regulatory water quality monitoring :  a systems perspective, interagency-environment research and development program report / 
Robert C. Ward 
 - Nevada :  EPA,  1978 
 - vi, 24 p. :  ill. ;  28 cm. 
 - Research and development .
<br/><br/> EPA-600/7-78-228 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water reuse<br/>Water quality
<br/><br/><label>Dewey Class. No.: </label>363.7284