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File MH17921 Vol. 1 Sec. 2 Page 2 Issued: 1998-01-27 and Report Revised: 2004-04-12 LISTING MARK: UNDERWRITERS LABORkTORIES INC. LISTED DISPENSING DEVICE ACCESSORY (Control Number) CONSTRUCTION DETAILS: 1. Dispenser Pans and Sumps - Containment boxes manufactured of a single wall construction of a thickness of 200 mils. They are manufactured using a glass fiber reinforcing in combination with an isopothalic polyester resin. The sumps are contact molded. See ILLS. 1, 2 and 3. Sumps may be provided with an opening and access panel for field installation in accordance with ILL. C. Double Wall Sumps - The inner sump wall is fabricated identically to the single wall models. The interstitial material is applied over the single wall sump and the outer wail is applied over the interstitial material to a minims- thickness of 200 ails (0.20 in.) . An interstitial access fitting is installed to allow for testing and/or monitoring in the field. Refer to I11. 7 for fabrication process details. 2. The following lists identify the materials are used in the manufacturing process and are subjected to the Follow-Up Program outlined in File MH19409. Vol. 1, App. A. A. Isopothalic Polyester Resins - Reichhold No. 33-407, may also be designated as Reichhold 98-493. B. Catalyst - Methyl ethyl ketone peroxide in dimethyl phthalate technical grade. Identified by product name on container. C. Glass Fiber Chopping Roving - Owens Corning Fiberglass No. 357. D. Interstitial Material - Parabeam 31) glass fabric Type 87136. 3. Penetration Fittings - Consist of the following: Item Material Designation & Manufacturer ILL. Body M90, Hoechst Celanese Corp. 500BK602, E. I. DuPont de Nemours & Co., Inc. 4-6 Reducer (cap) 20708K, E- I. DuPont de Nemours & Co. , Inc. - Gasket 2250UT, E. I. DuPont de Nemours & Co. , Inc. - Sealant RTV 108, Silicon, GE Plastics - Penetration fittings are packaged with stainless steel band clamps. Reducers are molded of R/C (OMFZ2) by E. I. DuPont de Nemours & Co., Inc. , designated ALCRYN, Model 2070BK. Gasket also provided, overall dimensions approx. 5.25 in. ID, 5.75 in. OD and 0.27 in, high.