4500-N.C:2017
8
Tổng Phosphor (TP)
TCVN 6202:2008;
SMEWW 4500P.B&D:2017;
SMEWW 4500P.B&E:2017;
US EPA Method 365.3
9
Amoni (NH4+)
TCVN 6179-1:1996;
TCVN 6660:2000;
SMEWW 4500-NH3.B&D:2017;
SMEWW 4500-NH3.B&F:2017;
SMEWW 4500-NH3.B&H:2017
10
Chloride (Cl-)
TCVN 6194:1996;
TCVN 6494-1:2011;
SMEWW 4110B:2017