WAITING PERIOD ENDS ON WASTE MANAGEMENT<WMX> BID Waste Management Inc said it received notice of early termination of the Hart-Scott-Rodino waiting period for its 270 mln dlr takeover bid for Chemlawn Corp <CHEM>. The waiting period was terminated March 11, Waste Management said. Chemlawn has rejected Waste Management's 27 dlrs a share bid. It has said it was talking with other parties about selling its business.