Exhibit A-1: Single FGD Exhibit A-2: Three FGD Modules on Six Units Exhibit A-3: Single SCR Exhibit A-4: Seven SCRs Exhibit A-5: Single ACI Exhibit A-6: Two ACIs Exhibit A-7: Single FGD and SCR Exhibit A-8: Single FGD and ACI Exhibit A-9: Single SCR and ACI 