Paragraph 11

In Part 1 of this Schedule—

• “background quantity” means, in relation to the release of a substance resulting from an activity, such quantity of that substance as is present in—

  1. (a)

     water supplied to the site where the activity is carried out,

  2. (b)

     water abstracted for use in the activity, and

  3. (c)

     precipitation onto the site on which the activity is carried out,

• “Part A activity” means an activity falling within Part A of any Section in Part 1 of this Schedule;

• “Part B activity” means an activity falling within Part B of any Section in Part 1 of this Schedule.