Lior Eshed, Water reuse projects for potable reuse must comply with the regulations of log removal values (LRV).State of Nevada Division of Water Resources. Find the depth of the wooden log in the water when the specific gravity of the log is 0.7. A wooden log of 0.6m diameter and 5m length is floating in river water.The weight that can be put on the raft to make it just sink, should be (density of wood = 600 kg/m) A log of wood of mass 120 kg floats in water.