(1) The operator of a proposed facility at which schedule 15 chemicals are likely to be present in a quantity that exceeds 10% of their threshold quantity may notify the regulator of this circumstance.Notes—1 See the definition of
"proposed facility" in schedule 19 .2 For the meaning of
"likely to be present" , see section 532 .
(2) Any notification under this section must include the information required by section 538 (with any necessary changes).