This contract requires on-site cleaning and inspection of two contaminated diesel fuel storage tanks aboard the USCGC SPAR in Duluth, MN. The work involves removing up to 250 gallons of fuel, cleaning tank interiors, performing visual and ultrasonic inspections, and ensuring all waste disposal complies with regulations. The period of performance must not exceed 21 calendar days from the date of award. The contractor must provide all labor, materials, tools, and travel, and will work primarily during weekday business hours, though other times may be required.