Document RVjm1NowNjmVDYRbQ1oe46Bv

* " . / . .i bcc: J. N. leveridga Un \^y . . v 7402 May 20, 1970 , Mr. 9. t., Parks V' I Assoclata Managing Inflaeor I Fir# Protection Department {.Underwriters' Laboratories, Inc. ^35 Pfingsten Head Northbrook, Illinois <*0061 Dear tuaat I'we attached some representatiwe artiolaa oa tka aaboatoa problem with sprayed fireproofing. 9e cognise that tha problem did originate la Now York aad a major factor vaa tha tery'bad work practical of.'application of fibers, J>r. Aelikof# stated, "Tka worst ha could imeflae;"' i. ; ' **: t\ ; . rY ' : ; >h **' There are mdny more articles but are repetitive and this problem has .been major la PhiladelphiA-and Ian Prkaelace. Pitas# let ma know at oaca If there's`more background data jroft'^ap need.^ ^ j , :\:x >. /r. tuss, a ragarda to applied density would there ba an official statement* from 0. Lv. Inc. on cthe importance. ef tka tasted density in sprayed firaprooflagf Ifaot, toiild lamaana make ranch a s*tatamaatt ' - . is - . Again, I must emphasis that this'la ana of tliekey'issues 1b getting atroag controls on the problem of long-term pollution. 'An inswap,*; this, guest ion would ba appreciated as soon as passible. ' i;/- : ' * . ' .J. v` ~ ^v .* !. 5f A/ N. 1 ' . TFS/jac t Attachments Vf , y.; V Thanas F. Igaa - Manager Fireproofing Products j '"A i ,*.v V ' <. <1 -V I: