	allwaste alws to buy related company allwaste inc said it entered into an agreement in principle to uire all the outstanding common of a related air moving and industrial services company it did not disclose the name of the company allwaste which preforms air moving and related services said it will swap shares of its common valued at mln dlrs with the company it is uiring it said the uisition is subject to negotiation of a final agreement reuter 
