DOW CHEMICAL &lt;DOW> TO SELL SOUTH AFRICAN UNIT
  Dow Chemical Co said it has
  agreed in principle to sell its industrial chemicals and
  plastics business interests in South Africa and related assets
  to a group of South African investors for undisclosed terms,
  completing the sale of the company's South African assets
      Dow said it will continue to support its educational and
  health programs for South African blacks.
  

