Standard

Variable

Ideal

Acceptable

Tolerable

Croc Interim RQO

PO₄ (mg/l)

0.03

0.05

0.1

TWQG (1996)

PO₄ (mg/l)

0.025

n/a

n/a

Inkomati RQO (2016)

PO₄ (mg/l)

0.025

n/a

n/a