18. In this Schedule—
“establishment period” (“cyfnod sefydlu”) means the period of 12 months ending on—
4 September 2015; or
(if later) the date on which hazardous substances consent was first required for the relevant substance;
“relevant minor change” (“mân newid perthnasol”) means a change to the quantity or type of hazardous substances present in, on or under land in relation to which there is a hazardous substances consent, where hazardous substances consent would be required for that change but for this Schedule;
“safety hazard change” (“newid o ran perygl diogelwch”) means a change to an area notified to a local planning authority by the Health and Safety Executive or the Office of Nuclear Regulation for the purposes of paragraphs (c) or (ca) of the Table in Schedule 4 to the Town and Country Planning (Development Management Procedure) (Wales) Order 2012 M1, where that change results in—
that area encompassing land which it did not previously encompass; or
where the notification of that area included the identification of zones within that area corresponding to levels of risk, the expansion of any such zone.
Marginal Citations
M1S.I. 2012/801 (W. 110).