Guidance manual :  For compliance with the filtration and disinfection requirements :  For public water systems using surface water sources 

 - 573 páginas 
<br/><br/><label>ISBN: </label>0898675588 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agua--Purificacion--Filtracion--Manuales, etc.<br/>Abastecimiento de agua--Manuales
<br/><br/><label>LC Class. No.: </label>TD441  / G85