The Environmental Protection Commission seeks public comment on proposed amendments to Iowa Admin. Code ch. 135, Technical Standards and Corrective Action Requirements for Owners and Operators of Underground Storage Tanks. Changes incorporate new state laws on the investigation and cleanup of petroleum contamination. The last day for comment is November 15, 2010. http://www.legis.state.ia.us/aspx/ACODOCS/DOCS/10-20-2010.Bulletin.pdf pp.583-86.