Standarde pentru incercari apa uzata: sr iso7150-1:2001 sr iso7890-3:2000 sr8662-2:1996 sr en iso5667-1:2007 sr7877-2:1995 sr7877-1:1995 sr en iso5667-3:2018 sr en26777:2002 se en25813:2000 sriso6332:1999 sr13315:1996 sr en872:2005 sr en iso10523:2012 sr en27888:1997 sr iso6060:1996