Parameter

Unit

R1

R2

pH

-

7.46

7.65

TS

mg/l

15,800

17,280

COD

mg/l

4200

7000

BOD

mg/l

54

84

Hg

ppm

0.166

0.213

Pb

ppm

0.516

0.696

As

ppm

0.1

0.11