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Schedule 3 SAMPLING FREQUENCIES FOR CLASSES A, B, 1 AND 2

Original text. Later amendments are not shown.

Sampling Frequency (number per annum)Sampling Frequency (number per annum)
ParameterClass A and Class 1Class B and Class 2
ReducedStandardIncreasedReducedStandardIncreased
(1)(2)(3)(4)(5)(6)(7)

Notes:

  1. (i)

    Increased or reduced sampling where permitted or required may be confined to the substance in question.

  2. (ii)

    The sum of the detected concentrations of fluoranthene, benzo 3.4 fluoranthene, benzo 11.12 fluoranthene, benzo 3.4 pyrene, benzo 1.12 perylene and indeno (1,2,3-cd) pyrene.
PART I:
Conductivity612244612
Hydrogen ion612244612
Odour (qualitative)612244612
Taste (qualitative)612244612
PART II:
Odour (quantitative)—424—412
Taste (quantitative)—424—412
Turbidity—424—412
Temperature—424—412
Nitrate—424—412
Nitrite—424—412
Ammonium—424—412
Iron—424—412
Aluminium—424—412
Manganese—424—412
Colour—424—412
PART III:
Trihalomethanes14121412
Tetrachloromethanes14121412
Trichloroethene14121412
tetrachloroethene14121412
Copper14121412
Lead14121412
Zinc14121412
Pesticides and related prodcts(i)14121412
Polycyclic aromatic hydrocarbons(ii)14121412
PART IV:
Chloride—112—112
Sulphate—112—112
Calcium—112—112
Magnesium—112—112
Sodium—112—112
Potassium—112—112
Dry residues—112—112
Ozidizability (permanganatge value)—112—112
Total organic carbon—112—112
Boron—112—112
Surfactants—112—112
Phosphorus—112—112
Fluoride—112—112
Barium—112—112
Silver—112—112
Arsenic—112—112
Cadmium—112—112
Cyanide—112—112
Chromium—112—112
Mercury—112—112
Nickel—112—112
Antimony—112—112
Selenium—112—112
Total Hardness—112—112
Alkalinity—112—112
PART V:
Total coliforms—24——1224
Faecal coliforms—24——1224
Residual disinfectant—24——1224
Colony counts—24——1224