Document rpjOZgLB4eNpLDVda8DGMDREr

FILE NAME: JH DATE: 1980 Jan 4 DOC#: JH013 DOCUMENT DESCRIPTION: Internal J-M Memo RE Response to a letter from a Mrs. Barnes Stating They Cannot Determine How Much Asbestos that Her Children were Exposed to To; .E. M. Fenner Dat0. January 4, 1980 Prow W- B. Reitae Copiest: C. Linke Subject: BARNES LETTER I believe this is in your territory, but I would like tc make a few comments about the request for information from' Mrs, Barnes- The first point that I believe we should stress is that, .to the best of our knowledge, we have no way of determining | w h o Jsupplied the material that her children used back ir iythe late 1960s and, furthermore, we have no way of deter- /mining .whether this material actually did contain asbestos-... ^Neither do we have any way of determining how much asbestos fwas contained in the material.. The percentage could have <gohe from rero to 100%, 'Furthermore, we do not know hov;yyy/.y: ;J: /.the `school mixed this material, whether an effort was mede gy .5 to suppress the dust by prewetting and/or isolation, or |whether the dust was allowed .to float free. The frequency i.:/ ;|bf.; this'hoperation is also' unknown, and this could have indirectybearing'upon any health effects. This could be %; i|once per year project or it could have been more often. jjwith a l l :the above unknowns, it is almost impossible to jfassign/health'risks to this particular type of exposure. . asbestos was used, it is obvious that.it is an improper' : % /use :;of the material. With the limited data available tc . . .us-at'.this point in time, it is impossible to assess a Rhealth risk-