Nitrate

Nitrite

Chromium

Copper

iron

Cyanide

Fluoride

Sulphate

Magnesium

Calcium

Total hardness

Total Alkalinity

Phosphate

Ammonia

Sodium

Nitrate

1.0000

Nitrite

0.0459

1.0000

Chromium

0.3281

0.3299

1.0000

Copper

0.0131

0.0171

0.1428

1.0000

Iron

0.2772

−0.0840

0.1120

0.1059

1.0000

Cyanide

−0.2381

−0.1973

−0.2410

0.1735

0.0765

1.0000

Fluoride

−0.1275

−0.1652

0.2319

0.0139

0.2334

0.0143

1.0000