SCHEDULE 4SAMPLING FOR CLASSES C, D, E, 3, 4 AND 5
PART IFREQUENCY
Number of Samples(1) | |||
---|---|---|---|
Class of Supply | Basic Parameters(2) | Additional Parameters(3) | Coliform Parameters(4) |
C | 1 | 1 | 1 |
D | 1 | 1 | — |
E(5) | 1 | 1 | — |
3 | 2(6) | 2(6) | 4(6) (7) |
4 | 2(6) | 1(6) | — |
5 | — | — | 1 |
Notes:
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PART IIPARAMETERS
Basic parameters | Additional Parameters | ||
---|---|---|---|
(1) | (2) | ||
Hydrogen ion | Odour (quantitative) | Zinc | Fluoride |
Conductivity | Taste (quantitative) | Polycyclic aromatic hydrocarbons(4) | Barium |
Total coliforms | Temperature | Silver | |
Faecal coliforms | Nitric | Chloride | Arsenic |
Lead (1) | Ammonium | Sulphate | Cadmium |
Nitrate(2) | Iron | Calcium | Cyanide |
Odour (qualitative) | Aluminium | Magnesium | Chromium |
Taste (qualitative)(3) | Manganese | Sodium | Mercury |
Turbidity | Colour | Potassium | Nickel |
Trihalomethanes | Dry residues | Antimony | |
Tetrachloromethane | Oxidazability (permanent value) | Selenium | |
Trichloroethene | Total hardness | ||
Tetrachloroethene | Totl organic carbon | Alkalinity | |
Copper | Boron | Residual disinfectant | |
Surfaciants | Colony counts | ||
Phosphorus | |||
Notes:
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