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6.0 Overview of Facility Oil Storage —40 CFR 112.7(a)(3) <br />Diesel fuel storage at the KRC TRACY PLANT is conducted in a 10,000 GA, pad mounted, STI <br />Fireguard design storage tank (AST) and a 500 GA pad mounted Fireguard design storage tank <br />(AST), with adjacent dispenser. Waste oil from plant equipment servicing is not accumulated, but <br />rather transported off site to corporate facility in non -reportable quantities <br />The stored fuels are used on a regular basis for servicing on -road concrete delivery trucks (Transit <br />Mixers) and yard equipment (Loader). <br />Please reference Table 1, "SUMMARY OF OIL STORAGE" at the plant site. Oil storage <br />locations are illustrated on Figure 2, "SITE PLAN." <br />Table 1 <br />SUMMARY OF OIL STORAGE <br />KRC TRACY PLANT <br />Storage Location <br />Contents <br />Capacity <br />AbovegroundStorage Tanks <br />Fuel containment south of plant <br />Diesel (highway -trucks) <br />10,000 GA-dbl wall AST <br />Fuel containment south of plant <br />Diesel off road -loader <br />500 GA-dbl wall AST <br />Lube containment inside lube shop <br />Lubricant Storage <br />Containers less than 55 GA <br />6.1 Discharge Management -40 CFR 112.7(a)(3) <br />(9) Discharge Prevention Procedures (Loading $ Unloading) §§(a)(3)(ii) <br />Delivery Truck drivers are subject to California's Commercial Driver License (CDL) <br />requirements, including hazardous material endorsement, and have documented knowledge <br />of safe handling of these materials. Truck unloading procedures are presented in Appendix F <br />and are consistent: with .API Recommended Practice 1007. <br />(2) Discharge or Drainage Controls ,f §(a)(3J(iii) <br />I he two double walled, 1,71...1065, steel diesel AS"1"s have iniegral secondary containment, <br />Onsite drainage is directed to a system of surface drains, containment pond and sediment trap. <br />Off-site drainage is not common. In the event of excessive precipitation, offsite flow would be to <br />northeastern corner of fenced yard thence to detention pond northeast of facility. <br />PL.P,N r 6 <br />