MDU RESOURCES: Knife River Still Potentially Liable at Portland

MDU Resources Group, Inc. says that, since December 2000, Knife River Corporation Northwest has been a potentially responsible party in connection with the cleanup of a riverbed site adjacent to a commercial property site acquired by Knife River Northwest from…

MDU RESOURCES: Knife River Still a PRP at Portland Harbor Site

MDU Resources Group, Inc. says that, since December 2000, Knife River Corporation Northwest has been a potentially responsible party in connection with the cleanup of a riverbed site adjacent to a commercial property site acquired by Knife River Northwest from…

MDU RESOURCES: Cascade Facing Claim Over Contamination in Oregon

MDU Resources Group Inc.’s affiliate, Cascade Natural Gas Corporation, faces a claim for soil and groundwater contamination at a site in Oregon.

The claim was received in 1995. There are potentially responsible parties (PRPs) in addition to Cascade that may be…

MDU RESOURCES: Cascade Facing 2 Claims on Contamination in Wash.

MDU Resources Group Inc.’s affiliate, Cascade Natural Gas Corporation, faces two claims for contamination at sites in Washington.

The first claim is for contamination at a site in Washington and was received in 1997. A preliminary investigation has found soil and…