The district investigating where the mercury came from and when. Is that concerning we dont have a time line . It is concerning but you will have to remember we are working with unknowns here. Reporter the superintendent says the big of unknown how far it spread. Kid like noah are dropping off trash bas filled with back packs, shoes and clothes for testing. I want to make sure my in my house. Reporter there are 1200 kid back pack in heated class rooms because mercury vaporizes. We take our analyzer and we put it in the bag. And just take a measurement off the vapors. Number one priority, safety and getting the school cleand and ready for kid and teachers on monday. Were confidence on monday we believe everybody will be that had a part in this we are talking about cc sd, fire department. Epa will sit down to talk about what works, what could have been done better in case this were on ever happen in the futureful reporting lime kels, news 3ment maria thank you. News 3 is keeping uptodate