Salt River Project – Oil Restorationcleanfluids2019-06-07T23:38:42+00:00 Project Description Salt River Project – Oil RestorationTank: 1,000 gallon oil tank Fluid Type: Hydraulic Oil Work Performed: Hydraulic oil removed, filtered, varnish removed, and the tank detail cleaned. Result: The hydraulic oil was restored and the tank was returned to like-new condition.