KERAPCD RULE 210.5 VISIBILITY PROTECTION          
LAST REVISED 05/00/89
          
          
          RULE 210.5 Visibility Protection - Adopted 11/18/85, 
                     Renumbered 5/89

          "This Rule becomes effective on the date the Environmental
          Protection Agency publishes in the Federal Register its final
          approval of this Rule for inclusion in the State Implementation
          Plan, or upon the date the Environmental Protection Agency
          publishes its final approval of Rule 210.1 for inclusion in the
          State Implementation Plan, which ever date is later."

          I.    Definition

                A. Adverse impact on visibility means visibility impairment
                   which interferes with management, protection,
                   preservation, or enjoyment of the visitor's visual
                   experience of the Federal Class I area.  This
                   determination must be made on a case-by-case basis
                   taking into account the geographic extent, intensity,
                   duration, frequency, and time of the visibility
                   impairments and how these factors correlate with:

                   1.  Times of visitor use of the Federal Class I area,
                       and

                   2.  The frequency and timing of natural conditions that
                       reduce visibility.

                B. For the purpose of this Rule, definitions of other terms
                   shall be the same as those defined in Rule 210.4
                   Prevention of Significant Deterioration.

          II.   Standards for Approval

                A. For any new major stationary source or major
                   modification which would have the potential to emit
                   nitrogen oxides, sulfur dioxide or particulate matter in
                   significant amounts and is required to utilize BACT/LAER
                   for such pollutants, the APCO shall not issue an
                   Authority to Construct unless the analysis required by
                   this Rule demonstrates that an adverse impact on
                   visibility will not occur.

          III.  Procedures

                A. Applicants for Authority to Construct subject to this
                   Rule shall provide:

                   1.  An analysis of the proposed source's anticipated
                       impacts on visibility in any Class I area which may
                       be affected by the source's emissions; and

                   2.  Monitoring of visibility in any Class I area near
                       the proposed source for such purposes and by such
                       means as the Control Officer determines is necessary
                       and appropriate.

                       The analysis shall be consistent with "The
                       Workbook for Estimating Visibility Impairment" -
                       EPA 450-4-80-031.

                B. The APCO shall notify all affected Federal Land Managers
                   within 30 days of receipt of any advance notification of
                   any such permit application.

                C. The APCO shall provide notice of any permit application
                   for a proposed major stationary source or major
                   modification, the emissions from which may affect a
                   Class I area, to the Federal Land Manager and the
                   Federal official charged with direct responsibility for
                   management of any lands within such area.  The APCO
                   shall provide such notice promptly after receipt of the
                   application.

                   The notice shall include a copy of the application, the
                   analysis of the proposed source's anticipated impacts on
                   the visibility in any Class I area which may be affected
                   by the source's emissions and all information relevant
                   to the application.

                   This information shall be given within 30 days of
                   receipt and at least 60 days prior to any public hearing
                   on the application for an Authority to Construct.

                D. The APCO shall provide the Federal Land Manager and such
                   Federal official with a copy of the preliminary
                   determination and shall make available to them any
                   materials used in making that determination, promptly
                   after reaching such determination.
                
                E. The APCO shall consider any analysis performed by the
                   Federal Land Manager and/or Federal official, provided
                   within 30 days of the preliminary determination
                   notification required by this Rule, that the proposed
                   source may have an adverse impact on any Class I area.

                F. Where the APCO finds that the Federal Land Manager's
                   analysis provided under this Rule does not demonstrate
                   to the satisfaction of the APCO that an adverse impact
                   on visibility will result in the Class I area, the APCO
                   shall in the notice of public hearing on the permit
                   application either explain the decision or give notice
                   as to where the explanation can be obtained.