In 1999, Angarsk Petrochemical Company issued a bid for revamping the EDU-AVT-6 plant for the purpose of simultaneously producing four oil cuts in the vacuum unit-transformer oil base (viscosity of 7-9 mm(2)/sec at 50degreesC), low-viscosity, medium-viscosity, and viscous cuts (4.7-5.5, 6.5-7, and 8.5-9.5 mm(2)/sec, respectively, at 100degreesC), as well as vacuum gasoil.