Guidelines for drinking-water quality   Vol 3. 

 - 2nd ed. 
 - Geneva :  World Health Organization,  c1997. 
 - v.:  ill. ;  24 cm. 
<br/><br/> Contents: v. 3. Surveillance and control of community supplies.  Includes index. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>9241545038 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water-supply--Standards.<br/>Water quality--Standard,