Ammonia

0.5 - 10

mgN/L

COD

10 - 100

mgO2/L

Conductivity (20°C)

500 - 1000

µS/cm

Nitrate

3.75 - 30

mgN/L

Nitrite

0.1 - 4

mgN/L

Ortho-phosphate

0.13 - 10

mgP/L

pH at 20-25°C

7 - 8

-

Total Aluminium

0 - 0.2

mg/L

Total Arsenic

0.5 - 10

µg/L

Total cadmium

0.1 - 1

µg/L

Total copper

0.5 - 5

µg/L

Total Iron

0 - 1

mg/L

Total lead

0.4 - 4

µg/L

Total Mercury

0.01 - 0.1

µg/L

Total nickel

5 - 50

µg/L

Total Zinc

0 - 0.2

mg/L

Turbidity

3 - 30

NTU