                       SUMMARY OF COSTS FOR FINAL RULE:
 PROMULGATION OF AIR QUALITY IMPLEMENTATION PLANS; ARIZONA; REGIONAL HAZE AND INTERSTATE VISIBILITY TRANSPORT FEDERAL IMPLEMENTATION PLAN, EPA-R09-OAR-2013-0588 
                                       
                       Summary of Costs for NOx Controls
                                       
                                    Source
                                 Capital Cost
                                      ($)
                            Annualized Capital Cost
                                   ($/year)
                                Annual O&M
                                   ($/year)
                             Total Annualized Cost
                                   ($/year)
                          Cost-effectiveness ($/ton)
TEP Sundt Unit 4
                                                                     $3,079,089
                                                                       $290,644
                                                                       $975,124
                                                                     $1,265,768
                                                                         $3,222
Nelson Lime Plant Kiln 1
                                                                       $450,000
                                                                       $42, 477
                                                                       $358,459
                                                                       $400,936
                                                                           $817
Nelson  Lime Plant Kiln 2
                                                                       $450,000
                                                                        $42,477
                                                                       $354,981
                                                                       $397,458
                                                                           $807
Phoenix Cement Kiln 4
                                                                     $1,500,000
                                                                       $140,000
                                                                       $800,000
                                                                       $940,000
                                                                         $1,162
CalPortland Cement Kiln 4
                                                                     $1,300,000
                                                                       $128,000
                                                                     $1,220,000
                                                                     $1,350,000
                                                                         $1,850
                                                                          Total
                                                                    $6,779,089 
                                                                      $601,121 
                                                                    $3,708,564 
                                                                    $4,354,162 
                                                                              -

                       Summary of Costs for SO2 Controls
                                       
                                    Source
                                 Capital Cost
                                      ($)
                            Annualized Capital Cost
                                    ($/year)
                                Annual O&M
                                   ($/year)
                             Total Annualized Cost
                                   ($/year)
                              Cost-effectiveness
                                    ($/ton)
TEP Sundt Unit 4
                                                                     $3,250,000
                                                                       $306,777
                                                                     $2,482,107
                                                                     $2,788,884
                                                                         $1,857
Nelson Lime Plant Kiln 1 
                                                                             --
                                                                             --
                                                                       $313,096
                                                                       $313,096
                                                                           $856
Nelson Lime Plant Kiln 2
                                                                             --
                                                                             --
                                                                       $458,179
                                                                       $458,179
                                                                           $819
Hayden Smelter
                                                                    $85,000,000
                                                                     $8,023,399
                                                                     $9,300,000
                                                                    $17,323,399
                                                                           $865
Miami Smelter 
                                                                    $47,850,000
                                                                     $4,516,701
                                                                     $2,258,351
                                                                     $6,775,052
                                                                           $990
                                                                          Total
                                                                  $136,100,000 
                                                                   $12,846,877 
                                                                   $14,811,733 
                                                                   $27,658,610 
                                                                              -

                     Total Costs for NOx and SO2 Controls
                                       
                                 Capital Cost
                                      ($)
                            Annualized Capital Cost
                                    ($/year)
                                Annual O&M
                                   ($/year)
                             Total Annualized Cost
                                   ($/year)
                                                                  $142,879,089 
                                                                   $13,447,998 
                                                                   $18,520,297 
                                                                   $32,012,772 

