The Department of Natural Resources intends to change Chapter 9, Groundwater Hazard Documentation, of the Iowa Administrative Code. The amendments would incorporate changes to the private sewage disposal requirements contained in Iowa Admin. Code r. 455B.172(11) and the groundwater hazard statement requirements contained in Iowa Admin. Code r. 558.69. http://www.legis.state.ia.us/aspx/ACODOCS/DOCS/06-02-2010.Bulletin.pdf pp. 2699-700.