Delta G Scientific Company was originally a front company established April 1982 in Weldegraan by the South African Defence Force to research and produce chemical weapons within a covert operation known as Project Coast. Medchem Consolidated Investments - was registered in the Cayman Islands by a David Webster on behalf of Wouter Basson, who held 75% of Delta G shares. Delta G was acquired in 1993 by Dow Sentrachem.