Your search Notice: Eighth Circuit Rule 28a(k) Governs Citation of Unpublished Opinions and Provides That No Party May Cite an Opinion Not Intended for Publication Unless the Cases Are Related by Identity Between the Parties or the Causes of Action.waldor Pump & Equipment Company; Iowa Pump & Equipmentcompany, Appellants, v. Envirex, Inc., Appellee.waldor Pump & Equipment Company; Iowa Pump & Equipmentcompany, Appellees, v. Envirex, Inc., Appellant did not match any document.