Non Metals

Nitrate

Phosphate

DO

BOD

Nitrate

1

−0.9^n.s

0.7^*

0.3^*

Phosphate

1

0.4^*

0.8^*

DO

1

0.9^*

BOD

1

Heavy Metals

Iron

Manganese

Lead

Iron

1

0.35^*

0.99^*

Manganese

1

0.24^*

Lead

1