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Benefits of Xerxes fiberglass underground storage tanks <br />,;o <br />Why choose a fiberglass tank? <br />Since their introduction in the 1960s, fiberglass underground tanks have rapidly grown in popularity. It was becoming clear <br />that rusting steel tanks were leaking and creating serious environmental damage. Therefore, the initial focus of fiberglass <br />manufacturers was to design storage vessels that weren't vulnerable to the effects of external corrosion. <br />Throughout the 1980s, major oil companies and other large fuel marketers quickly began to realize the benefits of fiberglass <br />over steel underground tanks. Today the preference for fiberglass tanks reaches across all segments of the market and <br />includes those who specify, install and own underground storage tanks. Further, the recognized benefits of fiberglass extend <br />well beyond external corrosion protection. Today, with a greater industry -wide understanding of the increased regulatory <br />burden and risks associated with storage tanks, tank buyers are much more educated and sophisticated in their product <br />selection. <br />Consider the following features and benefits: <br />Corrosion Resistance — External corrosion protection will always be a concern, but, with the widespread use of ethanol -blended <br />gasoline (E10, E15, E85), biodiesel fuels and ultra-low sulfer diesel (ULSD), the focus has shifted to internal corrosion protection. <br />These new biofuels are creating increasing incidents of aggressive microbial -induced corrosion (MIC) of metal components <br />in fueling systems. Fiberglass tanks are not vulnerable to internal corrosion caused by MIC. Neither do they rust externally <br />due to corrosive soil environments. <br />Fuel Compatibility — In addition to creating corrosive conditions in tanks, new ethanol -blended fuels today also raise <br />questions regarding compatibility of the stored fuel with tank materials. Xerxes double-wall fiberglass tanks are not only <br />warranted for the full range of ethanol -blended gasoline, they are also UL -tested and UL -listed as compatible with 0-100 <br />percent ethanol storage. This is a very clear and distinct difference from steel storage tanks. <br />Track Record—With hundreds of thousands of tanks installed thoughout North America during the last three decades, fiberglass <br />tanks have an outstanding record of both protecting the environment and minimizing tank owners' risk. The great majority of <br />new underground tanks installed today for North America's largest fuel retailers and commercial fleet facilities are fiberglass <br />tanks. After exploring their options and evaluating years of product performance, these tank owners overwhelmingly <br />continue to choose fiberglass. <br />3 <br />