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06/01:94 14:21 $8056836831 s R P RICHARDS r LEO ECER State -Of -The -Art Containment: Changing Environmental Codes Many municipalities, counties and states now mandate underground storage systems with secondary containment features for m Lxi- mum protection of underground water supplies against petroleum contamination. The American Petroleum Institute recommends secondary containment systems wherever underground tanks are located within 300 feet of underground water supplies, .ncreasing Liability Exposure Liabilities associated with leaking fuel are high. one small leak in an underground fuel storage tank can be enough to cause an explosion or pollute the groundwater supply. Many corporate risk managers are faced with the increased possibility that they will be unable to obtain tank leak insurance coverage for gradual, as well as sudden, acci- dental pollution. Those that do find coverage will be forced to comply with more restrictions and will also pay significant premium increases. These increased risks and poten- t liabilities arc causing tank owners, specifying engineers and installing contractors to re-evaluate the effectiveness of their under- ground storar syscenis. � 005: 009 a es -34 Iss P. 04 The Trend to Double -Nall Tanks Many large liability -conscious industrial companies are now specifying double-wall tanks for underground storage applications. Tank owners are specifying dou- ble-wall tanks for three primary reasons: 1. Risk Management Double-wall tanks provide exactly what they say, two walls of protec- tion. The primary tank is designed to contain your fuel. In the unlikely event of a breach of the primary tank, the secondary wall is designed to contain your product and pre- vent a spill into the environment. 2. System Testing for Tightness Fiberglas double-wall tanks can be tested at the jobsite -- prior to and after installation -- to prove that both the primary and secondary containment barriers are product Eight. The secondary walls or jackets of some other types of double containment tucks cannot be tested after they have been installed. 3. Provides a Space for Nfo►iitoring Ali true double-wall tanks provide a defined annular space to accom- modate almost any type of moni- toring device preferred by the end user. But only Owens -Coming's Double -Wall Fiveiglas Tank can Monitoring System that can be installed at our factories. To meet the changing needs of our customers. Owens-Corning has developed a state-of-the-art dou- ble-wall tank system. The Fiberglas double-wall tank pro- vides four unique features: a. High Strength Rustproof Construction On All Four Surfaces b. Full 360' Secondary Containment c: Continuous Leak Monitoring d "Built-in" Ptrcision Test Capability of the Primary and Secondary Tank The system also includes optional electronic monitoring equipment and optional secondary contain- ment accessories for piping. For added liability protection, specify the state-of-the-art in underground containment systems -- specify Owens-Corning Double -Wall Tanks with the Hydrostatic Tank Monitor. tl