Today, I completed the remaining work to decommission the heating oil tank from the River House. I cut the middle section of the tank off and then proceeded to muck out the sludge (about 2 gallons worth) from the bottom of the tank. The work was time-consuming but not difficult. I cut the bottom off a plastic milk jug which served admirably as a mucking scoop. Kitty litter worked perfectly to absorb the small amount of remaining oil in the tank. Finally, I used an eco-friendly degreaser to remove all remaining residue from the tank.