When the director places a site on the registry as provided in section 455B.426 , then the director shall file with the county recorder a statement disclosing the period during which the site was used as a hazardous waste or hazardous substances disposal area. When the director finds that a site on the registry has been properly closed under section 455B.427, subsection 3 , paragraph “e” , with no evidence of potential adverse impact, this finding shall be filed with the county recorder. The finding shall state that the director’s finding does not warrant to a future purchaser of the site that the site will be free from any future adverse impacts as a result of use of the site as a hazardous waste or hazardous substances disposal site. 84 Acts, ch 1108, §17 ; 86 Acts, ch 1025, §11 ; 86 Acts, ch 1245, §1899 Referred to in §455B.426 , 455B.432