ALLWASTE &lt;ALWS.O> TO ACQUIRE FIRM
  Allwaste Inc said it entered into an
  agreement in principle to buy Tank Cleaning Co, a
  privately-held company that cleans tank trailers, in exchange
  for about 1.3 mln shares or Allwaste common.
      Allwaste said that Tank Cleaning earned about one mln dlrs
  before taxes last year and had about 1.5 mln dlrs in pre-tax
  income for the nine months ended September 30.
  

