ALLWASTE <ALWS> TO BUY RELATED COMPANY Allwaste Inc said it entered into an agreement in principle to acquire 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 2.6 mln dlrs, with the company it is acquiring. It said the acquisition is subject to negotiation of a final agreement.