De novo judicial review of certain agency actions.

Requires a court to try disputed issues of fact de novo in a judicial review of certain agency actions. Provides that the burden of proving the validity of certain agency actions is the same as in the hearing before the agency. Requires the court in a judicial review of an agency action to review all issues of law and fact de novo and without deference to any previous interpretation made by the agency. Specifies that a monetary penalty issued by an agency may not be excessive and that a court may review a monetary penalty de novo to determine if the penalty is excessive.