2.—(1) In these Regulations—
“construct” (“adeiladu”) includes install;
“Environment Agency” (“Asiantaeth yr Amgylchedd”) means the agency established under Chapter I of the Environment Act 1995(1);
“fuel oil” (“olew tanwydd”) means oil intended for use as a fuel for the production of heat or power but does not include oil intended for use exclusively as a fuel for heating a farmhouse or other residential premises on a farm and stored separately from other oil;
“livestock” (“da byw”) means—
animals kept for the production of food or wool, or
birds kept for the production of food;
“reception pit” (“pydew derbyn”) means a pit used for the collection of slurry before it is transferred into a slurry storage tank or for the collection of slurry discharged from such a tank;
“silage” (“silwair”) includes a crop being made into silage;
“silage effluent” (“elifiant silwair”) means effluent from silage;
“silo” (“seilo”) means a structure used for making or storing silage;
“slurry” (“slyri”) means liquid or semi-liquid matter composed of—
excreta produced by livestock while in a yard or building (including that held in wood chip corrals); or
a mixture wholly or mainly consisting of livestock excreta, livestock bedding, rainwater and washings from a building or yard used by livestock,
of a consistency that allows it to be pumped or discharged by gravity at any stage in the handling process;
“slurry storage tank” (“tanc storio slyri”) includes a lagoon, a pit (other than a reception pit) or tower used for the storage of slurry.
(2) A reference in these Regulations to a slurry storage system includes a slurry storage tank and—
(a)any reception pit and any effluent tank used in connection with the tank; and
(b)any channels and pipes used in connection with the tank, any reception pit or any effluent tank.
(3) A requirement in these Regulations for a silo or slurry storage tank to conform to a British Standard (in whole or in part) is satisfied if the silo or tank conforms to a standard or specification that provides an equivalent level of protection and performance and is recognised for use in a member State, Iceland, Liechtenstein, Norway or Turkey.