OFFICIAL USE ONLY Rochester Tcxicity Studies Dr, Albert continued by discussing thc _current tcxicologic problems under study at Rochestcr. He explained that the Knolls Leboratory had asked them to look into some of the current problems on rare earths, gadclinium, samarium, etc. Sandia hac asked that some toxicolcgical studies be dene of indium, bcth in the non-radicactive state and also indium 1h. Dr, flbcrt stated alse that the Labcratory at Rcechestcr plans to get some stucics going on mercury for Oak Ridgc, because there are levels of mercury vapor in the air at thc separation plant for the lithium isctcpes which are pretty high, anc thcy have had about 30 or hO cases of albuminuria. Oak Ridge Neticnal Laboratory is making some stremous cfforts to cut down the exposure ccncentrations by increascd ventilation and cleaning up the area. However, they arc still worriec about the lcng term toxicity of mercury vapor, Gasecus Diffusion Plant Dr. Fly reportcd that at the instance cf the Division of Reactor Development he visited the Portsmouth arca (Ohio) for the purpose cf locking into several prcblems at the Gascous Diffusion Plant, - 23- OFFICLAL USE ONLY