Treatment Grade Requirements

A

B

C

Effluent limit values for BOD and SS

BODs

<20

<60

<400

SS

<20

<50

<250

Effluent limit value for fecal coliform and nematode cells or eggs (per liter)

Fecal coliform count² in 100 cm³

<1000

<5000

Unspecified

Count of nematode cells or eggs per liter

<1

<1

Unspecified