
MACT Floor Calculation Details for Primary Aluminum Supplemental Proposal 

	The attachments to this file contain the calculations supporting the development of MACT standards for the primary aluminum reduction supplemental proposal, as described in the memo: Revised Draft MACT Floor Determination for the Primary Aluminum Reduction Industry  -  Supplemental Proposal.  File names are given in the following table.


 Summary of UPL Calculation Sheets in MACT Floor Calculation Details for Primary Aluminum Supplemental Proposal 
Polycyclic Organic Matter (POM) Standards 
                                   Category
                                  Source Type
                                  Subcategory
                                 Distribution
                             MACT Limit (99% UPL)
                                  File Name 
Existing Source Standards
Potline
Prebake 
CWPB1
Normal
                                                                            1.1
lb/ton Al
01_UPL_POM_Existing_Potlines_CWPB1.xlsx
Potline
Prebake 
CWPB2
Normal
                                                                             12
lb/ton Al
02_UPL_POM_Existing_Potlines_CWPB2.xlsx
Potline
Prebake 
CWPB3
Normal
                                                                            2.7
lb/ton Al
03_UPL_POM_Existing_Potlines_CWPB3.xlsx
Potline
Prebake 
SWPB
Normal
                                                                             19
lb/ton Al
04_UPL_POM_Existing_Potlines_SWPB.xlsx
New Source Standards 
Potline
All types
N/A
Normal
                                                                           0.77
lb/ton Al
05_UPL_POM_New_Potlines.xlsx
Particulate Matter (surrogate for HAP metals) Standards 
Existing Source Standards
Potline
Prebake 
CWPB1
Lognormal
                                                                            7.2
lb/ton Al
06_UPL_PM_Existing_Potlines_CWPB1.xlsx
Potline
Prebake 
CWPB2
Normal
                                                                             11
lb/ton Al
07_UPL_PM_Existing_Potlines_CWPB2.xlsx
Potline
Prebake 
CWPB3
Normal
                                                                             20
lb/ton Al
08_UPL_PM_Existing_Potlines_CWPB3.xlsx
Potline
Prebake 
SWPB
Normal
                                                                            4.6
lb/ton Al
09_UPL_PM_Existing_Potlines_SWPB.xlsx
Potline
Soderberg
--
Lognormal
                                                                             26
lb/ton Al
10_UPL_PM_Existing_Potlines_VSS2.xlsx
Anode Bake Furnace
N/A
N/A
Normal
                                                                          0.068
lb/ton Anode
11_UPL_PM_Existing_Anode_Bake_Furnace.xlsx
Paste Plant
N/A
N/A
Lognormal
                                                                          0.082
lb/ton Anode
12_UPL_PM_Existing_Paste_Plant.xlsx
New Source Standards 
Potline
All types
N/A
Normal
                                                                            4.6
lb/ton Al
13_UPL_PM_New_Potlines.xlsx
Anode Bake Furnace
N/A
N/A
Normal
                                                                          0.036
lb/ton Anode
14_UPL_PM_New_Anode_Bake_Furnace.xlsx
Paste Plant
N/A
N/A
Lognormal
                                                                         0.0056
lb/ton Anode
15_UPL_PM_New_Paste_Plant.xlsx



