2. (1) In these Regulations–
“category one supply” has the meaning given by regulation 9;
“category two supply” has the meaning given by regulation 10;
“parameter” means a property, element, organism or substance listed in the second column of the Tables in Schedule 2, in column 1 of Schedule 3 or in Part II of Schedule 4;
“pesticides and related products” means any fungicide, herbicide or insecticide and polychlorinated biphenyls and terphenyls;
“prescribed concentration or value”, in relation to any parameter, means the maximum or minimum concentration or value specified in relation to that parameter in the Tables in Schedule 2 as measured by reference to the unit of measurement so specified;
“quarter” means a period of three months beginning on 1st January, 1st April, 1st July or 1st September in any year;
“trihalomethanes” means trichloromethane, dichlorobromomethane, dibromochloromethane and tribromomethane;
“year” means a calendar year.
(2) For the purposes of these Regulations the relevant persons, in relation to a private supply of water to any premises in the area of a local authority are–
(a)the owners and occupiers of those premises; and
(b)whether or not the source of the private supply is in that authority’s area, the owners and occupiers of the premises where that source is situated and any other person who exercises powers of management or control in relation to that source.
(3) Any reference in these Regulations to–
(a)a class followed by–
(i)a letter, is a reference to a class of a category one supply;
(ii)a number, is a reference to a class of a category two supply; and
(b)a Table followed by a letter, is a reference to the Table that bears that letter in Schedule 2.
(4) These Regulations shall not apply to a private supply which is used solely for washing a crop after it has been harvested but which does not affect the fitness for consumption of any food or drink in its finished form.