All actions heretofore taken by port districts in conformity with the provisions of this chapter, and the provisions of chapter 6, Laws of 1975 hereby made applicable thereto, relating to pollution control facilities or other industrial development, including, but not limited to, all bonds issued for such purposes, shall be deemed to have been taken pursuant to Article 8, section 8 of the Washington state Constitution and are hereby declared to be valid, legal and binding in all respects. All provisions of Title
53 RCW directly or indirectly relating to pollution control facilities or other industrial development are hereby found and declared to be legislation implementing the provisions of Article 8, section 8 of the Washington state Constitution.