Determination of residual chlorine and turbidity in drinking water / 
United States Environmental Protection Agency, National Training and Operational Technology Center 
 - Cincinnati :  United States Environmental Protection Agency, National Training and Operational Technology Center,  1978. 
 - 2v. 
<br/><br/>Contents : [v. 1] Instructor's manual. - [v. 2] Student manual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Drinking water--Standards--Handbooks, manuals, etc.<br/>Water--Purification--Chlorination.<br/>Water quality--Measurement.<br/>Water--Analysis--Laboratory manuals.