(1) A general permit may be modified, revoked and reissued, or terminated, during its term for cause including, but not limited to, the following:

(a) A change occurs in the technology or practices for control or abatement of pollutants applicable to the category of dischargers covered under the general permit;

(b) Effluent limitation guidelines or standards are promulgated pursuant to the FWPCA or chapter 90.48 RCW, for the category of dischargers covered under the general permit;

(c) A water quality management plan containing requirements applicable to the category of dischargers covered under the general permit is approved;

(d) Information is obtained which indicates that cumulative effects on the environment from dischargers covered under the general permit are unacceptable; or

(e) A toxic effluent standard or prohibition (including any schedule of compliance specified in such effluent standard or prohibition) is established under section 307(a) of the FWPCA for a toxic pollutant which is more stringent than any limitation upon such pollutant in the permit.

(2) In the event that the director has determined to modify or revoke, in whole or in part, a general permit pursuant to subsection (1) of this section the director shall notify, in writing, all dischargers covered under the general permit. The notification shall include:

(a) The reason(s) why the general permit is being revoked or modified;

(b) The process for appealing the determination pursuant to RCW 43.21B.310;

(c) An application form and a time limit for submitting the application; and

(d) Any other information determined to be relevant by the department.