Declaration Status - Chemical

Web Part Error: A Web Part or Web Form Control on this Page cannot be displayed or imported. The type KGO.EPA.EPADeclarationStatus.EPADeclarationStatus, KGO.EPA, Version=1.0.0.0, Culture=neutral, PublicKeyToken=642fd26af76472d7 could not be found or it is not registered as safe. Correlation ID: ed2194a0-bc2e-d0f8-cda5-a96a63b2aa95.

Error Details:
[UnsafeControlException: A Web Part or Web Form Control on this Page cannot be displayed or imported. The type KGO.EPA.EPADeclarationStatus.EPADeclarationStatus, KGO.EPA, Version=1.0.0.0, Culture=neutral, PublicKeyToken=642fd26af76472d7 could not be found or it is not registered as safe.]
  at Microsoft.SharePoint.ApplicationRuntime.SafeControls.GetTypeFromGuid(Boolean isAppWeb, Guid guid, Guid solutionId, Nullable`1 solutionWebId, String assemblyFullName, String typeFullName, Boolean throwIfNotSafe)
  at Microsoft.SharePoint.WebPartPages.SPWebPartManager.CreateWebPartsFromRowSetData(Boolean onlyInitializeClosedWebParts)