Moeller 97 Gallon Waste Tank All Moeller waste tanks meet the material and pressure specifications for sanitation tanks as called out in federal regulations. Each tank features a nominal wall thickness of 0.30 in 7.6 mm to control odor which would otherwise permeate through the walls. A multitude of waterwaste tank sizes ensures you the right fit for your vessel needs. Feature nominal wall thickness of 0.300. Resin meets FDA spec CTF177 1520 requirements. Satisfies all U.S. Coast Guard standards