Ammonia

0.1 - 0.5

mgNH4 /L

Colour

5 - 25

Hazen

Colour ISO 7887-C

5 - 25

mg/L Pt

Conductivity

100 - 750

μS/cm

Free Cyanide

10-60

μgCN/L

Nitrate

1-30

mgNO3/L

Nitrite

0.05-0.35

mgNO2/L

Permanganate index (PI)

1-6

mgO2/L

pH

4-10

-

Silicate

1 - 10

mgSiO2/L

Soluble Reactive Phosphorus (PO4)

1000 - 2500

μgP/L

Total Cyanide

10-60

μgCN/L

Total dissolved solids

25 - 100

mg/L

Total oxidised nitrogen

0.2-10

mgNO3/L