Document 5YN7ZNGRmLprqOaknbrEoBkR

FILE NAME Kaiser Gypsum KG DATE 1989 Oct 3 DOC KG104 DOCUMENT DESCRIPTION Letter from KG to EPA RE Submission of Kaiser Gypsum Co. in Compliance with the Asbestos Information Act of 1988 62073 KAISER GYPSUM COMPANY 1333 NORTH CALIFORNIA BLVD SUITE 445 WALNUT CREEK CALIFORNIA 94596-1209 TELEPHONE 415 256-3050 INC Log 16 MAILING ADDRESS P.O. BOX 8019 WALNUT CREEK CA 94596-1209 October 3 , Spp ATLIS Federal Services Inc. EPA Clearing House 6011 Executive Boulevard Rockville Maryland 20852 1989 ECEIVE iy Hl OCT 10 10 1989 i Re Docket Control No. 62073 Submission Kaiser Gypsum Company Inc. in Compliance the Asbestos Information Act of 1988 of with Dear Sirs In compliance with the Asbestos Information Act of 1988 the Act and Federal Register notices promulgated by the EPA at 54 Fed Reg 15622 April 18 1989 and 54 Fed Reg 32430 August 7 1989 Kaiser Gypsum Company Inc. Kaiser Gypsum submits information on containing building products that it formerly manufactured Kaiser Gypsum building products has not manufactured containing since 1976 and has marketed no products of any sort since 1978 when the last of its production facilities in the United States was sold to a affiliated firm Accordingly Kaiser Gypsum does not have current employees with detailed personal knowledge concerning its former production and sale of products including containing building products The information contained herein reflects Kaiser Gypsum's best knowledge at this time 1. Name and address of manufacturer of containing materials The name of the manufacturer of containing materials submitting information is Kaiser Gypsum Company Kaiser Gypsum's corporate headquarters are located at 1333 California Boulevard Walnut Creek California 94596 Inc. North 2. Yearosf manufacture of asbestos- containing materials Kaiser Gypsum manufactured between 1952 and 1976 containing materials ATLIS Federal Services October 3 1989 Page two Inc. 3. Types or classes of products Kaiser Gypsum manufactured limited lines of asbestos- containing specialty building products within the surfacing materials and miscellaneous material categories as defined in the Act thermal Kaiser Gypsum did system insulation not manufacture containing products as that term is defined in the Act The containing products manufactured and sold by Kaiser Gypsum were accessory products ancillary to its main product line of gypsum wallboard and represented a very small percentage of its overall product sales and revenue 4 Identifying characteristics of manufactured containing materials 1. Texture Paints Between 1952 and 1967 Kaiser Gypsum manufactured and sold in dry powder form texture paints for surface application over gypsum Spray wallboard under Cover and the trade names Cover Spray Kaiser These products were sold by the bag and were mixed with water before application Their primary composition was casein limestone and mica Each included as an ingredient a small percentage of chrysotile asbestos These products were sold and distributed only in California and along the West Coast Between 1968 and 1975 Kaiser Gypsum also manufactured a similar product called Cover Wall Texture TSS and marketed and distributed the product principally in California and the Pacific Northwest during that period For a short period between 1968 and 1975 the product was also sold in some Southeastern states and between 1972 and 1975 in Northeastern and Atlantic states 2 Ceiling Texture Paints Between 1961 and 1975 Kaiser Gypsum manufactured in dry powder form ceiling texture paints called Spray Ceiling Texture KSV or KSP and Spray Ceiling Texture KSS These substances after mixing with water were applied over gypsum wallboard or interior concrete ceilings to produce a textured appearance They had the same primary composition as the texture paints in paragraph one above These products were initially sold on the Between 1968 and 1975 West they Coast and were also in the Pacific Northwest available in several states in the Southeast and during 1970-1976 in several Northeastern and Atlantic states ATLIS Federal Services October 3 1989 Page three Inc. 3. Joint Compounds Between 1953 and 1975 Kaiser Gypsum manufactured dry powder compounds under the trade names Joint Compound - Powder Finishing Compound - Powder One Joint Compound - Powder and Purpose Compound - Powder These products sold by the bag were primarily composed of casein or polyvinyl clay talc limestone and mica with a small amount of chrysotile asbestos When mixed with water they were used to fill gypsum wallboard joints and to cover and finish nailheads and metal cornerbeads These products were manufactured and sold primarily on the West Coast and in states in the Pacific Northwest and for several years and at various times between 1968 and 1976 in several Northeastern Atlantic and Southeastern states Between 1959 and 1976 Kaiser Gypsum manufactured a premix form of the compounds described in paragraph 3 above and sold them under the trade names Premix Joint Compound Premix Finishing Compound Dual Purpose Premix Compound and Premix Topping Compound These products were sold in paste form in cartons or pails and their composition was essentially the same as the dry form with the addition of a liquefying agent Kaiser Gypsum sold these products on the West Coast and in the Pacific Northwest and at various times between 1968 and 1976 in several Northeastern Atlantic and Southeastern states 4. Mineral Fiber Ceiling Tile Between 1963 and 1974 Kaiser State of Oregon a single brand of Gypsum manufactureid n the acoustical ceiling tile and lay board for suspended ceilings that contained small percentages of chrysotile asbestos in order to qualify for Fire Rating The product was called Fiberboard Fire Rated Underwriters Kaiser Mineral Laboratories Inc. Design and was composed primarily of mineral wool and various wool fibers clays and starch The product was sold in two thicknesses 5/8 and 1/2 and in various dimensions the 5/8 version is known to have been sold in 12 x 12 12 x 48 24 x 24 24 x 36 24x 48 and 24 x 60 sizes the 1/2 version is known to have been sold in the 24 x 24 and 24 x 48 sizes The face side was white or colored and had a fissured or swirl punched design for acoustical treatment This product was packed and sold in boxes of various quantities It was distributed primarily in the Western States 5. Other Products Between 1968 and 1975 Kaiser Gypsum also manufactured and sold small quantities of specialized surface products whose formulas included small amounts of chrysotile asbestos 3 ATLIS Federal Services October 3 1989 Page four Inc. under the trade names Laminating Radiant Heat Compound Radiant Radiant Heat Scrimless Surfacing Compound Filler Compound Heat Surfacing Compound Compound Radiant Heat Joint Compound Terior Premix Prefill Compound and Terior Premix Wall Texture Compound in California and in the Pacific Northwest Filler Compound Radiant Heat Surfacing Compound Radiant Heat Scrimless Surfacing Compound and Radiant Heat Joint Compound was sold only in the Pacific Northwest The Laminating Compound was used as an adhesive to laminate wallboard to wallboard or to sound deadening board the Filler Compound surfaces was the used to cover Radiant Heat radiant heat system ceiling Compound was used to cover radiant heat cables stapled to ceiling surfaces the Radiant Heat Surfacing Compound was used to cover radiant heat cables embedded in ceiling surfaces as was the Radiant Heat Scrimless Surfacing Compound the Radiant Heat Joint Compound was to fill cracks and embedded tape in radiant heat gypsum used wallboard ceiling surfaces the Terior Premix Prefill Compound was used to prefill joints in gypsum wallboard installed on building exteriors only and the Terior Premix Wall Texture Compound was used to provide surface texture to gypsum wallboard installed on building exteriors only these products except the Premix products were sold in All of bags The Premix products were sold in cartons or buckets The only form of asbestos used as an ingredient in these products was chrysotile The primary compositions of these products were as follows Laminating Compound primarily soya flour and limestone Filler Compound primarily limestone and mica Radiant Heat Compound primarily sand and white portland cement Radiant Heat Surfacing Compound primarily silica flour and mica Radiant Heat Scrimless Surfacing Compound primarily sand silica flour and mica Radiant Heat Joint Compound primarily finely ground materials including casein clay mica and limestone Terior Premix Prefill Compound primarily raw gypsum PVA emulsion and mica and Terior Premix Wall Texture Compound primarily limestone acrylic emulsion and mica Some of these products were sold for only limited periods in very limited geographical areas The Radiant Heat Surfacing Compound was sold only in the Pacific Northwest between 1969 and 1970 the Radiant Heat Compound was sold only in Southern California between 1968 and 1974 the Radiant Heat Scrimless Surfacing Compound was sold only in Southern California in 1972 and in the Pacific Northwest between 1970 and 1974 the Radiant Heat Joint Compound was sold only in Northern California in 1972 and in the Pacific Northwest between 1971 and 1973 the Terior Premix products were sold only in Northern California ld ATLIS Federal Services October 3 1989 Page five Inc. in 1975 the Laminating Compound was sold only in California between 1961 and 1972 and the Filler Compound was sold only in California between 1961 and 1970 and in the Pacific Northwest between 1969 and 1972 If any persons seek clarification as to the meaning of the foregoing information they are invited to direct their inquiries to the Secretary of Kaiser Gypsum Company Inc. at its headquarters at the above address Respectfully submitted KAISER GYPSUM COMPANY INC By MAY yl Assistant Treasurer