Alcoa Wenatchee Works

Fabric Filter Emission Test Data

43E Mar-08

Run 1 0.00124 gr/dscf

Run 2 0.00096 gr/dscf

Run 3 0.00071 gr/dscf
Alcoa Wenatchee Works

Fabric Filter Emission Test Data

54H Mar-08

Run 1 0.00009 gr/dscf

Run 2 0.00000 gr/dscf

Run 3 0.00020 gr/dscf

Jun-13

Run 1 0.00020 gr/dscf

Run 2 0.00020 gr/dscf

Run 3 0.00010 gr/dscf
Alcoa Wenatchee Works

Fabric Filter Emission Test Data

DC 2 DC Mar-08

Run 1 0.00246 gr/dscf

Run 2 0.00308 gr/dscf

Run 3 0.00312 gr/dscf

Dec-12

Run 1 0.00506 gr/dscf

Run 2 0.00607 gr/dscf

Run 3 0.00520 gr/dscf
Alcoa Wenatchee Works

Fabric Filter Emission Test Data

Furnace 2 May-08

Run 1 0.01055 gr/dscf

Run 2 0.01760 gr/dscf

Run 3 0.01839 gr/dscf

Oct-12

Run 1 0.02610 gr/dscf

Run 2 0.02164 gr/dscf

Run 3 0.05166 gr/dscf
Alcoa Wenatchee Works

Fabric Filter Emission Test Data

A446

0.00020 gr/dscf

2008 0.00044 gr/dscf

0.00030 gr/dscf

0.00060 gr/dscf

2009 0.00859 gr/dscf

0.00029 gr/dscf

0.00018 gr/dscf

2010 0.00026 gr/dscf

0.00017 gr/dscf

0.00072 gr/dscf

2011 0.00022 gr/dscf

0.00006 gr/dscf

0.00054 (315) gr/dscf

2012 0.00129 0.00024 gr/dscf

0.00042 0.00224 gr/dscf

0.00579 0.00253 gr/dscf

2013 0.00057 0.00024 gr/dscf
Alcoa Wenatchee Works

Fabric Filter Emission Test Data

Page 1 of 2

M14 Line 5

Jan-08 0.00126 gr/dscf

Feb-08 0.00167 gr/dscf

Mar-08 0.00146 gr/dscf

Apr-08 0.00113 gr/dscf

May-08 0.00113 gr/dscf

Jun-08 0.00132 gr/dscf

Jul-08 0.00109 gr/dscf

Aug-08 0.00130 gr/dscf

Sep-08 0.00122 gr/dscf

Oct-08 0.00137 gr/dscf

Nov-08 0.00105 gr/dscf

Dec-08 0.00145 gr/dscf

Jan-09 0.00171 gr/dscf

Feb-09 0.00174 gr/dscf

Mar-09 0.00206 gr/dscf

Apr-09 0.00173 gr/dscf

May-09 0.00162 gr/dscf

Jun-09 0.00229 gr/dscf

Jul-09 0.00171 gr/dscf

Aug-09 0.00225 gr/dscf

Sep-09 0.00171 gr/dscf

Oct-09 0.00168 gr/dscf

Nov-09 0.00193 gr/dscf

Dec-09 0.00207 gr/dscf

Jan-10 0.00257 gr/dscf

Feb-10 0.00232 gr/dscf

Mar-10 0.00200 gr/dscf

Apr-10 0.00175 gr/dscf

May-10 0.00204 gr/dscf

Jun-10 0.00199 gr/dscf

Jul-10 0.00189 gr/dscf

Aug-10 0.00179 gr/dscf

Sep-10 0.00169 gr/dscf

Oct-10 0.00216 gr/dscf

Nov-10 0.00252 gr/dscf

Dec-10 0.00232 gr/dscf

Jan-11 0.00173 gr/dscf

Feb-11 0.00227 gr/dscf

Mar-11 0.00133 gr/dscf

Apr-11 0.00176 gr/dscf

May-11 0.00150 gr/dscf

Jun-11 0.00160 gr/dscf
Alcoa Wenatchee Works

Fabric Filter Emission Test Data

Page 2 of 2

Jul-11 0.00129 gr/dscf

Aug-11 0.00147 gr/dscf

Sep-11 0.00178 gr/dscf

Oct-11 0.00158 gr/dscf

Nov-11 0.00211 gr/dscf

Dec-11 0.00273 gr/dscf

Jan-12 0.00230 gr/dscf

Feb-12 0.00213 gr/dscf

Mar-12 0.00166 gr/dscf

Apr-12 0.00227 gr/dscf

May-12 0.00154 gr/dscf

Jun-12 0.00148 gr/dscf

Jul-12 0.00209 gr/dscf

Aug-12 0.00164 gr/dscf

Sep-12 0.00173 gr/dscf

Oct-12 0.00151 gr/dscf

Nov-12 0.00283 gr/dscf

Dec-12 0.00218 gr/dscf

Jan-13 0.00198 gr/dscf

Feb-13 0.00180 gr/dscf

Mar-13 0.00166 gr/dscf

Apr-13 0.00186 gr/dscf

May-13 0.00199 gr/dscf

Jun-13 0.00171 gr/dscf

Jul-13 0.00182 gr/dscf

Aug-13 0.00150 gr/dscf
Alcoa Wenatchee Works

Fabric Filter Emission Test Data

GTC

0.00058 gr/dscf

2008 0.00130 gr/dscf

0.00160 gr/dscf

0.00120 gr/dscf

0.00072 gr/dscf

2009 0.00087 gr/dscf

0.00044 gr/dscf

0.00056 gr/dscf

0.00025 gr/dscf

0.00064 gr/dscf

0.00034 gr/dscf

2010 0.00051 gr/dscf

0.00065 gr/dscf

0.00097 gr/dscf

0.00090 gr/dscf

0.000559 gr/dscf

2011 0.00058 gr/dscf

0.003535 gr/dscf

0.000753 gr/dscf

0.00061 gr/dscf

2012 0.001328 gr/dscf

0.000759 gr/dscf

0.00076 gr/dscf

0.001286 gr/dscf

2013 0.001549 gr/dscf

0.001248 gr/dscf
Alcoa Wenatchee Works

Fabric Filters without Emission Test Data

OH-18 21M No Data

OH-21 19C No Data

IP-1 Furnace 1 No Data

IP-11 Furnace 11 No Data