Document e7Maz0reKoXQq1ogN5B8m2VBG

FILE NAME: CertainTeed (CERT) DATE: 1978 June 13 DOC#: CERT020 DOCUMENT DESCRIPTION: Memo - Keasby & Mattison and CertainTeed tu-- { c{ 7'- i ifiifiiia' / rS`;r-"o l U S .I1 Mr. J.M . A tk in son , T & N Lim ited 7o ..........................` .......... ! ................................... From T .L .' Forsyth ................ ......................................................................... Date........ .1..3...t..h.....J.u...n...e.....1...9..7..8......................................................... 2 ,^ ^ 3 Keasbev & Mattison & Certain-teed I am afraid that in reply to your r e q u " ^ t f r i a l personal recollection since since we sold K & M in 192 over a large drectly concerning that company. Howeve^th^general*technical background m same length of time as Newalls, they m d gn insulation, the diatomaceous modifications 01 t F finally calcium silicate insulation. th du<jt and " Z From time to time X " <* d l . TM * . S'S!TM as they visited us and as I visited tnem in my mind that their technical p e j ^ r e ISJUt the itself asbestos health rlsk * although some work had been done even6among.tth " ^ i S T p o o p l e either in K & H or at e.aXls. Uhen K & M -as sold the remaining there, which was calcium silicate " ^ 0 tere was no separately to Nicolet aln_teed people should be familiar particular reason why tke . ^ ^ f r f t h e ^ a insulation was ^ o e TM d " b,|"o o r s r h e y ver. fu " L e d to f S n h " dddn toofomthins of the asbestosis hazard at any rate prior to 1 9 6 2 . ta + 197T X visited Certain-teed specifically in connection In August 1973 nf of.fer made to them by the with their mvestigati Certain-teed their process for Calsilite Corporation to J-^ilicate ^ the plant which had making asbestos-free ca ^ asbestos_containing product. until then been used . tfa t the officials concerned at At that time X am in no doubt that the * ^ ^ asbestos_ O Certain-teed were aware of *h "taining product and that it was S d and^the^ossible^physiological .It. of orposuro. .,,V momorv of th. * 1 " " .^PPl^*^ the Ambler, Pa. factory that time, particularly in the areas those applying in Newall insuia tion was being machined. in which asbestos-containing insulation was o j: Castleman.CERT000098 iti__ n P n l.tH f i *i t i - 2- ... ,, 4- 4 4-las at that time were even ( I "ayt S i So*? S i. "<>" "* ler ` r the Atla" d e l v e d from K & M* a operation.)- X have never noon * of fibre^perations**.*6 the Stime "hich "ere" "S S S T- Si X" t S n o nt be^ th o u^g h t t"o be e x o e e o l v e . dust in qu8nt X h o p , th at the above i n f o TM . p T * * p u rp o se b u t i t may e in v estiga tio n a t C ertain ee St ufroi nugndmtyh1e9/7w3 e"r el C^ s"t i l l " e im,,p l0o y i,,neg cu e x K 4 Mi s ems tpillolyeeemcpalol lyeedd W i l l a r d R. S e i p t p h d i t i s p r o b a b le d S e ip t was a s e n io r i n th e i* r asbestos p i p e d e p a r t m e n t ^ T e c h n i c a l O f f i c e r i n th e K &M ^ ill ent and fo r a ^he developm ent o f calciu m period h is s p e c ific / p r o c e s s o f t h e i r own s i l i c a t e in s u la t io n , f i r s t l y oin p r o c e s s. He w i l l undoubtedly T i e T d e S i l e S p l e d g e o f the K & M Furthermore , in ^ e,Pa^ ^ Sc? ^ e ri!eSutchcrof t who was for many o was still employed in 1973 C y with a m ore complete general years the Research Manager exposure situations than Seipt. knowledge of asbestos usage and exp from retirement but 5w h e r e a b o u ts i f He i s his xr it i . * k rate t h i n k y o u ou dMg f rom e i t h e r o f t h e s e two named g e n tle m e . YvtinfC ft ot ri Castleman.CERT000099 Castleman.CERT000100