This part, the final part in the four part series, outlines the detergent and solvent fractionation processes and concludes with an examination of the exports from the Malaysian refining industry.

The Environment Quality ( Prescribed Premises) (Crude Palm Oil) Regulations 1977 containing the enabling provisions for the stipula­tion of acceptable conditions of effluent discharge in licences was gazetted on 3 November 1977 arid came into force on 1 July 1978. These ac­ceptable conditions were in the form of a four generation set of effluent standards. […]