(1) Applicability. The standards of WAC 173-306-405 through 173-306-470 are the ash disposal standards and apply to all disposal facilities except ash disposal facilities that are engaged in closure or were closed before the effective date of this chapter.

(2) Standards for permits. The standards of WAC 173-306-405 through 173-306-470 must be used as the basis for permitting as required in WAC 173-306-300.

(3) Effective dates.

(a) All existing ash disposal facilities not in conformance with these standards must be placed on compliance schedules as part of the permit issued in WAC 173-306-300. Full compliance must be met within three years of the effective date of this chapter. However, the following facility standards must be met within eighteen months of the effective date of this chapter:

(i) The general facility standards of WAC 173-306-405;

(ii) The operating and maintenance standards of WAC 173-306-440(5); and

(iii) The monitoring requirements of WAC 173-306-500.

(b) All new and expanded facilities shall meet the ash disposal facility standards of WAC 173-306-405 to 173-306-470 after the effective date of this chapter.