Synthetic leachate solutions containing complexometric agents were used to simulate the long-term release of trace metals, carbonates, and sulfates from indirectly retorted and directly retorted oil shale. This approach was also taken to accelerate the leaching process in a lab scale real time leach test which would approach the maximum potential release of chemical constituents. The complexometric agents examined were acetate, oxalate, and citrate ions, and EDTA and DTPA. Retorted oil shale's were also extracted with distilled deionizer water.