Copper Corrosion Bath as per ASTM D130. This test...

                    Copper Corrosion Bath as per ASTM D130.  This test method is used for determination of the corrosiveness to copper of aviation
gasoline, aviation turbine fuel, automotive gasoline, solvents, kerosene, 
diesel fuel, distillate fuel oil, lubricating oil, and natural gasoline or other hydrocarbons having a
vapor pressure no greater than 124 kPa (18 psi) at 37.8°C.