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JAN <br /> _ I <br /> Red Thread IIA Historywv <br /> In 1968, this product was UL Listed as "Nonmetallic <br /> Underground Piping for Petroleum Products Only." Under the 1 0 �^ <br /> UL test program, the pipe was totally immersed in the following <br /> chemicals (all at 100°F). <br /> • Regular leaded gasoline, " <br /> • Premium unleaded gasoline, <br /> ' Premium leaded gasoline, <br /> • No.2 fuel oil, ` <br /> Benzene <br /> • Toluene <br /> • ASTM reference fuel C, <br /> • ASTM reference fuel A, <br /> • Distilled water, ori^ <br /> Nitric acid (5%by weight), <br /> Sodium carbonate and sodium bicarbonate solution, . <br /> • Sodium chloride solution (saturated), <br /> ' Dilute sulfuric acid (pH=3) <br /> Dilute sulfuric acid (20%by weight). <br /> ' NOV Fiber Glass Systems recommended this pipe for <br /> methanol/gasoline blends up to 5% methanol at temperatures a-� ••a- <br /> t <br /> up to 75°F. The pipe was also recommended for all mixtures of iO4 <br /> ethanol and gasoline including 100%ethanol. <br /> .. w._ <br /> In 1984, the Red Thread II system carried the same UL V <br /> listing as in 1968 and NOV Fiber Glass Systems recommended '" <br /> the piping system for all ethanol and methanol blends up to 100% k <br /> at temperatures up to 75°F. <br /> ' In 1990,NOV Fiber Glass Systems began manufacturing Red " <br /> Thread IIA. This product was UL Listed for petroleum products, <br /> alcohols (ethanol and methanol) and alcohol/gasoline mixtures. » y <br /> In 1995 and 2005, the UL standard changed and each time the # ,- <br /> ' Red Thread IIA piping system passed all new requirements. <br /> For additional product information and location of the NOV �ua—W,, <br /> ' Fiber Glass Systems Regional Managers and Manufacturer's <br /> Representatives,visit www.fgspipe.com. <br /> •i <br /> Old vs.New-Pipe in the foreground was installed in 1973 and removed <br /> 27 years later when the station closed. <br /> ' 3 <br />