Stewart, John Cary,  1958- <br/><br/>
Drinking water hazards :  how to know if there are toxic chemicals in your water and what to do if there are / 
by John Cary Stewart. 
 - Hiram, Ohio :  Envirographics,  c1990. 
 - vi, 323 p. :  ill. ;  22 cm. 
<br/><br/>Includes bibliographical references (p. 292-293) and index. 
<br/><br/><label>ISBN: </label>0943163161 0943163153 (pbk.) 
<br/><br/><label>LCCN: </label>87-024315 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Drinking water--Contamination.<br/>Drinking water--Analysis.<br/>Drinking water--Purification.<br/>Consumer education.
<br/><br/><label>Dewey Class. No.: </label>628.161