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ALUTRINT: Attachment 2 – ADM Updated Results

ALUTRINT: Attachment 2 – ADM Updated Results. February 2007. SCENARIO 16, a review of Scenario 12b.

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ALUTRINT: Attachment 2 – ADM Updated Results

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  1. ALUTRINT: Attachment 2 – ADM Updated Results February 2007

  2. SCENARIO 16, a review of Scenario 12b 1 Emissions data and stack parameters are from spreadsheet “Aluminium Complex - PointSourceParametersTemplate - August 15 2005.xls” transmitted in the email from Philip Julien to Joe Scire dated August 15, 2005. Note:New HF Emission rates for Fume stacks are provided in the e-mail from Philip Julien to Joe Scire dated November 30, 2006 (0.1 g/s in lieu of 0.0874 g/s used in the previous Scenario 12b). 2 Emissions data and stack parameters are from spreadsheet “rev 2 - Aluminium Complex - PointSourceParametersTemplate - August 17 2005.xls” transmitted in the email from Philip Julien to Joe Scire dated August 17, 2005. 3 UTM Coordinates obtained from “rev 2 - Aluminium Complex - PointSourceParametersTemplate - August 17 2005.xls” transmitted in the email from Philip Julien to Joe Scire dated August 17, 2005, except for the two Fume stacks, anode bake furnace and Green Mill bake furnace are from the excel spreadsheet “CMEC Update – Air Dispersion Model Template – Aluminum Complex – Nov 30 2006.xls” sent to Joe Scire on November 30, 2006. 4 Based on an emission rate of 330 kg CO per ton of aluminum produced transmitted in the email from Philip Julien to Joe Scire dated November 22, 2005 with a smelter capacity of 125,000 tons of aluminum per year and a 90% - 10% respective split between the Fume Stacks and Potroom Roof Vents. The New CO Emission rates for Fume Stacks are provided in the e-mail from Philip Julien to Joe Scire on November 27, 2006 (40kg/t in lieu of 330 kg/t used previously). 5 Emissions data and stack parameters are from spreadsheet “rev 1 - Aluminium Complex - Building Heights and Emission Estimates - August 172005.xls” transmitted in the email from Philip Julien to Joe Scire dated August 17, 2005. 6 Emissions data is from the email from Philip Julien to Joe Scire dated November 22, 2005 7 No emissions data available

  3. 1 Emissions data and stack parameters are from spreadsheet “Aluminium Complex - PointSourceParametersTemplate - August 15 2005.xls” transmitted in the email from Philip Julien to Joe Scire dated August 15, 2005. Note:New HF Emission rates for Fume stacks are provided in the e-mail from Philip Julien to Joe Scire dated November 30, 2006 (0.1 g/s in lieu of 0.0874 g/s used in the previous Scenario 12b). 2 Emissions data and stack parameters are from spreadsheet “rev 2 - Aluminium Complex - PointSourceParametersTemplate - August 17 2005.xls” transmitted in the email from Philip Julien to Joe Scire dated August 17, 2005. 3 UTM Coordinates obtained from “rev 2 - Aluminium Complex - PointSourceParametersTemplate - August 17 2005.xls” transmitted in the email from Philip Julien to Joe Scire dated August 17, 2005, except for the two Fume stacks, anode bake furnace and Green Mill bake furnace are from the excel spreadsheet “CMEC Update – Air Dispersion Model Template – Aluminum Complex – Nov 30 2006.xls” sent to Joe Scire on November 30, 2006. 4 Based on an emission rate of 330 kg CO per ton of aluminum produced transmitted in the email from Philip Julien to Joe Scire dated November 22, 2005 with a smelter capacity of 125,000 tons of aluminum per year and a 90% - 10% respective split between the Fume Stacks and Potroom Roof Vents. The New CO Emission rates for Fume Stacks are provided in the e-mail from Philip Julien to Joe Scire on November 27, 2006 (40kg/t in lieu of 330 kg/t used previously). 5 Emissions data and stack parameters are from spreadsheet “rev 1 - Aluminium Complex - Building Heights and Emission Estimates - August 172005.xls” transmitted in the email from Philip Julien to Joe Scire dated August 17, 2005. 6 Emissions data is from the email from Philip Julien to Joe Scire dated November 22, 2005 7 No emissions data available

  4. 1 UTM Coordinates (Datum = NAP) and source parameters from Table 2-1 in “Modeling Report.pdf” transmitted in the email from Philip Julien to Joe Scire dated October 17, 2005. 2 Emissions information from Table 2-2 in “Modeling Report.pdf” transmitted in the email from Philip Julien to Joe Scire dated October 17, 2005. 3 Base elevation from Section 2.3 Terrain in “Modeling Report.pdf” transmitted in the email from Philip Julien to Joe Scire dated October 17, 2005. 4 Emissions data and stack parameters for Power Plant Stacks #1-4 are from the email from Philip Julien to Joe Scire dated November 30, 2006 5 UTM Coordinates obtained from “EMISSION CONTROL MASTER.JPG” transmitted in the email from Philip Julien to Joe Scire dated October 10, 2005 6 Emission not provided

  5. BACKGROUND Ambient Air Concentrations

  6. Summary Results for Scenario 16 – cumulative analysis Note: In blue, maximums which changes from the standalone run of Scenario 16

  7. High School Receptor - Summary Results for Scenario 16 – cumulative analysis

  8. Vessigny Village (Highest Peak) - Summary Results for Scenario 16 – cumulative analysis

  9. Union Village (Highest Peak) - Summary Results for Scenario 16 – cumulative analysis

  10. Sobo Village (Highest Peak) - Summary Results for Scenario 16 – cumulative analysis

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