# Al**coa Wenatchee Works Performance Test Results** 

**MA CT Reporting Period January through December 2010** 



# Potline 1 - Total Fluoride

**Roof**

**Reactor Rolling Vent**  **A398 Results**  **Average Results**  **Line Total Reactor**  **Lbs TF / Lbs TF /**  **Roof Vent Lbs TF /**  **Lbs TF / Date**  **Number Test Method**  **ton AL ton AL**  **Location Test Method**  **ton AL ton AL**  January 5, 2010 161-7 Alcoa 4074-TF **0.0680 0.091**  Room 6 Method 14 / 4075 TF **1.543 1.634**  Feb-10 **0.090** Room 6 Method 14 / 4075 TF **1.730 1.820**  Mar-10 **0.092** Room 6 Method 14 / 4075 TF **1.365 1.457**  **1st Quarter 10** April 7, 2010 161-3 Alcoa 4074-TF **0.0278 0.087**  Room 6 Method 14 / 4075 TF **1.142 1.229**  May-10 **0.087** Room 6 Method 14 / 4075 TF **1.193 1.280**  Jun-10 **0.089** Room 6 Method 14 / 4075 TF **1.382 1.470**  **2nd Quarter 10** July 7, 2010 161-9 Alcoa 4074-TF **0.0403 0.092**  Room 6 Method 14 / 4075 TF **1.678 1.770**  Aug-10 **0.090** Room 6 Method 14 / 4075 TF **1.612 1.702**  Sep-10 **0.089** Room 6 Method 14 / 4075 TF **1.518 1.607**  **3rd Quarter 10** October 6, 2010 161-8 Alcoa 4074-TF **0.0173 0.038**  Room 6 Method 14 / 4075 TF **1.776 1.813**  Nov-10 **0.037** Room 6 Method 14 / 4075 TF **1.568 1.605**  Dec-10 **0.037** Room 6 Method 14 / 4075 TF **1.591 1.628**  **4th Quarter 10**

# Al**coa Wenatchee Works Performance Test Results** 

**MA CT Reporting Period January through December 2010** 



# Potline 5 - Total Fluoride

**Roof**

**Reactor Rolling Vent**  **A398 Results**  **Average Results**  **Line Total Reactor**  **Lbs TF / Lbs TF /**  **Roof Vent Lbs TF /**  **Lbs TF / Date**  **Number Test Method**  **ton AL ton AL**  **Location Test Method**  **ton AL ton AL**  January 5, 2010 GTC OutletAlcoa 4074-TF **0.099 0.141**  Room 20 Method 14 / 4075 TF **1.400 1.541**  Feb-10 **0.140** Room 20 Method 14 / 4075 TF **1.289 1.429**  Mar-10 **0.138** Room 20 Method 14 / 4075 TF **1.065 1.203**  **1st Quarter 10** April 6, 2010 GTC OutletAlcoa 4074-TF **0.114 0.124**  Room 20 Method 14 / 4075 TF **0.789 0.913**  May-10 **0.125** Room 20 Method 14 / 4075 TF **0.993 1.118**  Jun-10 **0.126** Room 20 Method 14 / 4075 TF **1.075 1.200**  **2nd Quarter 10** July 8, 2010 GTC OutletAlcoa 4074-TF **0.171 0.124**  Room 20 Method 14 / 4075 TF **1.069 1.193**  Aug-10 **0.126** Room 20 Method 14 / 4075 TF **1.026 1.152**  Sep-10 **0.127** Room 20 Method 14 / 4075 TF **1.203 1.330**  **3rd Quarter 10** October 6, 2010 GTC OutletAlcoa 4074-TF **0.116 0.126**  Room 20 Method 14 / 4075 TF **1.508 1.634**  Nov-10 **0.122** Room 20 Method 14 / 4075 TF **1.752 1.874**  Dec-10 **0.125** Room 20 Method 14 / 4075 TF **1.752 1.877**  **4th Quarter 10**

# Al**coa Wenatchee Works Performance Test Results**  **Baking Furnace**

**MACT Reporting Period January through December 2010**  

## Baking Furnace - Total Fluoride(TF) and Polycyclic Organic Matter (POM)

**A446 Results**  **Results Production**  **Reactor Lbs TF /**  **Lbs POM's / US**  **Date Number** **Test Method ton GAB** **Test Method ton GAB**  **Tons DSCFM** **Comments** January 4, 2010 A446 - 4Alcoa 4075-TF**0.0008** EPA M-315 **0.0153** 4855.9 66,548Normal ore flow; 2 of 4 reactors running Feb-10 Mar-10 **1st Quarter 10** Apr-10 May 5, 2010 A446 - 1Alcoa 4075-TF**0.0023** EPA M-315 **0.0313** 5056.4 59,298Normal ore flow; 2 of 4 reactors running Jun-10 **2nd Quarter 10** Jul-10 Aug-10 Sep-10 **3rd Quarter 10** October 5, 2010 A446 - 2Alcoa 4075-TF**0.0005** EPA M-315 **0.0373** 4929.7 59,774Normal ore flow; 2 of 4 reactors running Nov-10 Dec-10 **4th Quarter 10**

**MACT limits: TF - 0.20 lbs / ton GAB**  **POM - .18 lbs / GAB**