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FILE NAME: Kaiser Gypsum (KG) DATE: 1979 Aug 28 DOC#: KG082 DOCUMENT DESCRIPTION: Memo RE Masonry, Plastic and Gun Cements Permanent-Cushenbury Plants, Asbestos Formulations K A I S E R C E M E N T <0 G Y P S U M C O R P O R A T I O N INTER-OFFICE MEMORANDUM TO J. W. Post DATe August 28, 1979 ASBESTOS FORMULATIONS The production of three cements, Masonry, P l a s t ic (Hand) and Gun P la s t ic was researched fo r Permanente and Cushenbury plants apropos of asbestos content. S a lien t dates of manufacture and product s p e c if ic a tio n s are attached (Table I). Relevant comments are l is t e d below by.pi apt. 1. Masonry - produced from 11/1^/60 to 7/24/62. - manufactured without asbestos. P l a s t ic (Hand) - f i r s t produced on 11/15/60. - asbestos addition i n i t i a t e d on 12/15/61. - asbestos deleted from formulation on 7/73. - s t i l l in production with asbestos-free formulation, 3. Gun P l a s t ic - asbestos added at production onset, 11/15/60. - l a s t produced in 10/73. - fin a l product sp ecificatio n (Pl.G-5) containing asbestos formulation is 'current' despite lack of production. . I I . Cushenbury .1 Masonry - f i r s t produced in 9/72 containing asbestos. - l a s t manufactured in 9/77. - product s p e c if ic a tio n (M-l Tentative) wi th asbestos formulation is 'c u rre n t' despite lack off production, FORM 13D i Fvo??n3A-nn93 Pernanente/Cushenbury Plants Asbestos Formulations August 28, 1979- ' Page 2 Masonry, Plastic & Gun P l a s t i c Cements 2. P l a s t i c (Hand) - production i n i t i a t e d w itho ut asbestos, 1/25/60. - asbestos a d d it io n on 9/15/63. - asbestos dele ted on 8/17/64. - product manufactured u n t i l 1976. 3. Gun P l a s t i c - f i r s t produced 'containing asbestos on 2/1/60. - manufactured up t o ~ 2 . 7 4 with asbestos form ulation. - product sp e c ific a tio n (G.P1-7) with asbestos formulation is 'current' despite lack of production. Both Permanente and Cushenbury have shipped P l a s t i c Cement by bulk on occasion to se le c te d customers. This was considered r a r e . 1 Current product specifications are attached. 1 As per I. H a rriso n , M. M cClella nd . RMR/lz i n/nononoA nno/i