Constituents

Unit

Concentration

High

Medium

Low

COD

mg/l

800

430

250

BOD

mg/l

350

190

110

Nitrogen (Total)

mg/l

70

40

20

TOC

mg/l

260

140

80

Phosphorus (Total)

mg/l

12

7

4

TSS

mg/l

400

210

120

Cl

mg/l

90

50

30

SO4

mg/l

50

30

20

Oil and Grease

mg/l

100

90

50