This TSD provides information that supports EPA’s determination of unit-level allocations for existing and new units under the proposed Revised CSAPR Update Rule. This TSD provides additional information in support of unit level allocations and elaborates on the data and methodology used to arrive at the proposed allocations. The TSD is organized as follows:

1. Overview
2. New Unit Set-Asides and Allocations
3. Allocation Methodology for Existing Units
   1. ​List of Existing Units
   2. Data and Calculations
   3. States with state-approved allocation methodologies

• Proposed Revised CSAPR Update Allowance Allocations TSD.pdf (PDF)(14 pp, 377 K)