hazardous waste dump can be expanded. and, i mean, it really appears this is a case about the money. reporter: so now residents and activists have filed a lawsuit against king s county. for any discussion of an item on the consent calendar reporter: richard valley, the chairman of the king s county board of supervisors, agreed to an interview with cnn. but when we came to town, he didn t show up. supervisor valley? yes. reporter: hi, i m kyra phillips of cnn. you canceled our interview last week. i wanted to ask you a couple of questions, most importantly why you voted to expand the toxic waste site, even without a thorough health investigation. do you know that i m the one who called for the health investigation? reporter: valley did ask the state for an investigation into birth defects on december 15th. but just a week later, on december 22nd, he voted to