[F1SCHEDULE 1ASMONITORING: MINIMUM REQUIREMENTS

PART CSDeviation from standard parameters and frequencies

[F23B.  Any parameter removed from the list of parameters to be monitored in Part B of this schedule under paragraph 3(b) must be monitored—S

(a)at least once every six years, and

(b)in cases where—

(i)a new water source is integrated into the water supply chain (from the catchment area through abstraction, treatment and storage to distribution), or

(ii)changes made to the water supply chain are expected to have a potentially adverse effect on the quality of water.]]