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File MH17921 Vol. 1 Sec. 2 Page 1 Issued: 1998-01-27 <br />and Report Revised: 2004-04-12 <br />DESCRIPTION <br />PRODUCT COVERED: <br />USL, CNL - Model DMA Series dispenser sumps and pans, DMA shallow, DMA <br />single -sided deep, DMA double -sided deep and DMA Double Wall <br />Sumps. <br />GENERAL: <br />The pans and sumps are installed underground beneath dispensing devices <br />and are intended for the secondary containment of petroleum products, alcohols <br />and alcohol -gasoline mixtures. Each sump or pan is provided with hardware for <br />anchoring to the concrete dispenser island and for securement of the emergency <br />shutoff valves. The hardware is covered under Report dated October 20, 1993, <br />File MH17921. <br />The interstitial space of the double wall sumps may be monitored by <br />using positive or negative (vacuum) pressure not exceeding 5 psi, or with <br />water or brine solution. <br />The penetration fittings allow for the penetration of piping for <br />flammable liquids and electrical conduit through the wall of the sumps or <br />pans. <br />INSTALLATION: <br />The sumps, pans and penetration fittings are intended for underground <br />installation in accordance with Western Fiberglass Inc.'s installation <br />instructions (ILL, A). Installation instructions for the penetration fittings <br />are shown in ILL. B. Installation instructions for the optional access panel <br />are shown in ILL. C. <br />MARKING: <br />The following markings shall be legibly and permanently applied to the <br />sumps, pans and penetration fittings. <br />A. The manufacturer's name. <br />B. The statement: "Follow Western Fiberglass Guide=ines". <br />C. The Listing Mark described below. <br />