161. To be installed, a commercial storm water treatment technology must meet the conditions provided for in one of the following paragraphs:(1) the commercial storm water treatment technology is approved by the Washington State Department of Ecology for a General Use Level Designation (GULD) and complies with the conditions and restrictions issued for that commercial storm water treatment technology by the Washington State Department of Ecology for a General Use Level Designation (GULD);
(2) the commercial storm water treatment technology must be verified as part of a verification process compliant with ISO Standard 14034 Environmental management — Environmental technology verification (ETV) and the verification declaration of that technology attests that the Technology Assessment Protocol – Ecology (TAPE), produced by the Washington State Department of Ecology, has been complied with. That verification declaration may not be expired on the date on which the plans and specifications were signed or must be dated not more than 3 years preceding the date of signing of the plans and specifications. The conditions and restrictions provided for in the verification declaration and the verification report produced at the end of the verification process must be complied with.