Document oeawNqXQOpn7jVreax3aerzk7

. WJt t 8 198J GRACE Zonal** Csmuvstise frsdum OMtiw W l Croc* i Co. *3 wtina,i Aum Co--W*g. Mm 031*0 (4171 47*-1*00 March 17, 1913 ) ) Mr. Harold Millikan Nebraska Christian Collt|o P. 0. Bos 919 Norfolk, NS 63701 Osar Mr. Millikan: This is in response to your reeeoc Inquiry eo our Mr. Hex Dyal con cerning MONOXOTS* Plreprooflac OK-3) which was used la 1969 at your College. This produce ras a aill-sixed blood of llghcvelghc veraiculiee aggregace and alr-eacrslalog ageac la a gypsua binder. As aanufaecured, approxiaacely 14Z of asbeseos was added eo the produce. Sales of chls ssbescoscoacalalag produce was discoociaued la 1973. Za deeldlag oa an appropriate course ef accioa with regard to la-place aacerlal such as this, consideration needs eo be aado as co the cypa of pro duce used, the physical eondleloa of the ia-place aacerlal and the accessi bility of the aacerlal co physical danage aad dusting. Zonollca* Moaokoee fireproofing (MK-3) should not be confused with those products vhleh were fomulscad with higher asbestos coneeaes (up to 30Z) aad were air sprayed eo fom e low density, fluffy, lightly bound aae. By eoacrasc, Moaokoee was fomulated to be coabiaed with waeer oa the jab-- site co produce a csaaaclclous piaster-type alxeure which see co a relatively dease aad durable aacerlal, well bondad co the surface co which le was applied. Because of the "aecting* characteristics of this plaster-type aacerlal, we believe that the asbeseos fibers are encapsulated in the aaerlx, aad charafore, era ooc subjecc to release laco the eavlroomer 2 Zf, however, the'aacerlal has beaa damaged or has deteriorated so chat the surface is subject eo Busclog or flaking, consideration should be lives co either (1) removal of ehe aacerlal, or (2) oversprsylag aad sealing of the surface. Enclosed is a list of sealers cascad by Battalia Coluabua Laboratories to aeec EPA regulations. Sloce your coacera is possible exposure to respirable asbeseos fibers which sight be released froa the aacerlal, only ea-eica air saapllog aaasura aeaes will deceralaa the actual airborne asbestos fiber concentrations. Air aonlcoriag should be done in accordance with OggA regwlaCions. G000076