2012 A398 Report

Pollutant POM - 2013 Test Date 4/23/2013 4/24/2013 4/25/2013

A398 Source Reactor A4 Reactor B4 Reactor C4

Units Avg.

% of Total 

emissions

Gaseous MCEM Emission Rate (lb/hr) 0.32 0.17 0.17 0.220 0.71

Particulate MCEM Emission Rate) (lb/hr) 0.10 0.08 0.09 0.090 0.29

Total MCEM Emission Rate (lb/hr) 0.42 0.25 0.26 0.310

Gaseous MCEM Concentration (Ci) (mg/dscf) 0.139 0.0723 0.0665

Particulate MCEM Concentration (Ci) (mg/dscf) 0.0425 0.0321 0.0386

Total MCEM Concentration (mg/dscf) 0.1812 0.1044 0.1051

Total Particulate Concentration (mg/dscf) 0.6290 0.1687 0.1665

Flow Rate (dscf/hr) 2092374.9 2141612.8 2297036.6

Production for April 2013 (tons/hr) 16.87

Primary Emissions MCEM (not adjusted for production) (lbs/hr) 11.17

Primary Emissions of PM (not adjusted for production) (lbs/hr) 27.25

Ep of PM for April 2013 (lbs/TAP) 1.615

Ep of MCEM for April 2013 (lbs/TAP) 0.662

Ep = (((C1xQ1)+ (C2xQ2) + (C3xQ3))/3)/K/P

Ep = Primary emission rate, (lbs/ton) A B C

Ci = concentration of TF or POM's for each run, (mg/dscf) 15.05 8.87 9.58 MCEM lbs/hr

Qi = volumetric flow rate of effluent gas for each run, (dscf/hr) 52.23 14.34 15.18 PM lbs/hr

P = Total plant aluminum production, (ton/hr) 0.892 0.526 0.568 MCEM lbs/TAP

K = conversion factor, (453,592 mg/lb) 3.096 0.850 0.900 PM lbs/TAP
Pollutant TF - 2011 Test Date 5/24/2011 5/25/2011

A398 Source Reactor C1 Reactor A1

Units

Gaseous F Emission Rate (lb/hr) 0.006 0.004

Particulate F Emission Rate) (lb/hr) 0.007 0.023

Total F Emission Rate (lb/hr) 0.013 0.027

Gaseous F Concentration (Ci) (mg/dscf) 0.0012 0.0009

Particulate F Concentration (Ci) (mg/dscf) 0.0014 0.0047

Total F Concentration (mg/dscf) 0.0026 0.0056

Total Particulate Concentration (mg/dscf) 0.0253 0.0748

Flow Rate (dscf/hr) 2254901.598 2171594.156

Production for May 2011 (tons/hr) 16.25

Primary Emissions TF (not adjusted for production) (lbs/hr) 0.39

Primary Emissions of PM (not adjusted for production) (lbs/hr) 4.59

Ep of PM for May (lbs/TAP) 0.282

Ep of TF for May (lbs/TAP) 0.024

A398F

Gaseous

Particulate

Ep = (((C1xQ1)+ (C2xQ2) + (C3xQ3))/3)/K/P

Ep = Primary emission rate, (lbs/ton)

Ci = concentration of TF or POM's for each run, (mg/dscf)

Qi = volumetric flow rate of effluent gas for each run, (dscf/hr)

P = Total plant aluminum production, (ton/hr)

K = conversion factor, (453,592 mg/lb)
5/25/2011

Reactor B1

Avg. %

0.008 0.006 0.27

0.018 0.016 0.73

0.026 0.022

0.0014

0.0033

0.0048

0.0532

2395249

lb/ton

0.007

0.017
Pollutant TF - 2010 Test Date 5/11/2010 5/12/2010 5/13/2010

A398 Source Reactor C6 Reactor B6 Reactor A6

Units

Gaseous F Emission Rate (lb/hr) 0.004 0.004 0.006

Particulate F Emission Rate) (lb/hr) 0.038 0.013 0.007

Total F Emission Rate (lb/hr) 0.042 0.017 0.013

Gaseous F Concentration (Ci) (mg/dscf) 0.0007 0.0008 0.0012

Particulate F Concentration (Ci) (mg/dscf) 0.0076 0.0026 0.0015

Total F Concentration (mg/dscf) 0.0084 0.0034 0.0027

Total Particulate Concentration (mg/dscf) 0.2515 0.0658 0.0201

Flow Rate (dscf/hr) 2270512.3 2248396 2293567.8

Production for May 2010 (tons/hr) 16.44

Primary Emissions TF (not adjusted for production) (lbs/hr) 0.43

Primary Emissions of PM (not adjusted for production) (lbs/hr) 10.12

Ep of PM for May (lbs/TAP) 0.616

Ep of TF for May (lbs/TAP) 0.026

A398F lb/ton

Gaseous 0.005

Particulate 0.021

Ep = (((C1xQ1)+ (C2xQ2) + (C3xQ3))/3)/K/P

Ep = Primary emission rate, (lbs/ton)

Ci = concentration of TF or POM's for each run, (mg/dscf)

Qi = volumetric flow rate of effluent gas for each run, (dscf/hr)

P = Total plant aluminum production, (ton/hr)

K = conversion factor, (453,592 mg/lb)
Avg. %

0.005 0.19

0.019 0.81

0.024
TF A398 Reactors

Massena West Plant

Pollutant TF - 2009 Test Date 5/20/2009 5/21/2009 5/28/2009

A398 Source Reactor A5 Reactor B5 Reactor C5

Units Avg. %

Gaseous F Emission Rate (lb/hr) 0.02 0.045 0.017 0.027 0.57

Particulate F Emission Rate) (lb/hr) 0.029 0.026 0.006 0.020 0.43

Total F Emission Rate (lb/hr) 0.049 0.071 0.023 0.048

Gaseous F Concentration (Ci) (mg/dscf) 0.0038 0.0111 0.0044

Particulate F Concentration (Ci) (mg/dscf) 0.0055 0.0065 0.0011

Total F Concentration (mg/dscf) 0.0093 0.0176 0.0055

Total Particulate Concentration (mg/dscf) 0.0330 0.0614 0.0098

Flow Rate (dscf/hr) 2380822.621 1834819.118 1755966.38

Production for May 2009 (tons/hr) 15.65

Primary Emissions TF (not adjusted for production) (lbs/hr) 0.85

Primary Emissions of PM (not adjusted for production) (lbs/hr) 2.76

Ep of PM for May (lbs/TAP) 0.176

Ep of TF for May (lbs/TAP) 0.054

A398F lb/ton

Gaseous 0.031

Particulate 0.023

Ep = (((C1xQ1)+ (C2xQ2) + (C3xQ3))/3)/K/P

Ep = Primary emission rate, (lbs/ton)

Ci = concentration of TF or POM's for each run, (mg/dscf)

Qi = volumetric flow rate of effluent gas for each run, (dscf/hr)

P = Total plant aluminum production, (ton/hr)

K = conversion factor, (453,500 mg/lb)
TF A398 Reactors

Massena West Plant
TF Primary Emissions

Alcoa West A398 Reactors

Pollutant TF - 2008 Test Date 5/20/2008 5/21/2008 5/20/2008

A398 Source Reactor A4 Reactor B4 Reactor C4

Units Avg. %

Gaseous F Emission Rate (lb/hr) 0.028 0.012 0.016 0.019 0.71

Particulate F Emission Rate) (lb/hr) 0.02 0.001 0.002 0.008 0.29

Total F Emission Rate (lb/hr) 0.048 0.013 0.018 0.026

Gaseous F Concentration (Ci) (mg/dscf) 0.0005 0.0021 0.0031

Particulate F Concentration (Ci) (mg/dscf) 0.0034 0.0002 0.0003

Total F Concentration (mg/dscf) 0.0038 0.0024 0.0034

Total Particulate Concentrate (mg/dscf) 0.0471 0.0127

Flow Rate (dscf/hr) 2718470.518 2555720.648 2425619.985

Production for May 2008 (tons/hr) 16.51

Primary Emissions TF minus production (lbs/hr) 0.33

Primary Emissions of PM minus prod. (lbs/hr) 3.15

Ep of PM for May (lbs/TAP) 0.191

Ep of TF for May (lbs/TAP) 0.020

A398F lb/ton

Gaseous 0.014

Particulate 0.006

Ep = (((C1xQ1)+ (C2xQ2) + (C3xQ3))/3)/K/P

Ep = Primary emission rate, (lbs/ton)

Ci = concentration of TF or POM's for each run, (mg/dscf)

Qi = volumetric flow rate of effluent gas for each run, (dscf/hr)

P = Total plant aluminum production, (ton/hr)

K = conversion factor, (453,500 mg/lb)
TF Primary Emissions

Alcoa West A398 Reactors

Pollutant TF - 2007 Test Date 5/21/2007 5/22/2007 5/23/2007

A398 Source Reactor A3 Reactor B3 Reactor C3

Units

Gaseous F Emission Rate (lb/hr) 0.018 0.014 0.023 0.018

Particulate F Emission Rate) (lb/hr) 0.03 0.02 0.023 0.024

Total F Emission Rate (lb/hr) 0.047 0.034 0.046 0.042

Gaseous F Concentration (Ci) (mg/dscf) 0.0033 0.0031 0.0043

Particulate F Concentration (Ci) (mg/dscf) 0.0055 0.0042 0.0044

Total F Concentration (mg/dscf) 0.0088 0.0074 0.0087

Total Particulate Concentrate (mg/dscf) 0.0273 0.0418 0.0947

Flow Rate (dscf/hr) 2462309.921 2093304.299 2425619.985

Production for May 2007 (tons/hr) 16.43

Primary Emissions TF minus production (lbs/hr) 0.77

Primary Emissions of PM minus prod. (lbs/hr) 5.08

Ep of PM for May (lbs/TAP) 0.310

Ep of TF for May (lbs/TAP) 0.047

A398F lb/ton

Gaseous 0.02 *Use C7, D7, E7 (Gaseous F Conc.) vs. C9,D9,E9 (Total F Concentration)

Particulate 0.027 *Use C8, D8, E8 (Gaseous F Conc.) vs. C10,D10,E10 (Total Particulate Concentr

Ep = (((C1xQ1)+ (C2xQ2) + (C3xQ3))/3)/K/P

Ep = Primary emission rate, (lbs/ton)

Ci = concentration of TF or POM's for each run, (mg/dscf)

Qi = volumetric flow rate of effluent gas for each run, (dscf/hr)

P = Total plant aluminum production, (ton/hr)

K = conversion factor, (453,500 mg/lb)
TF Primary Emissions

Alcoa West A398 Reactors

 *Use C8, D8, E8 (Gaseous F Conc.) vs. C10,D10,E10 (Total Particulate Concentration)
TF Primary Emissions

Alcoa West A398 Reactors

Pollutant TF - 2006 Test Date 5/22/2006 5/23/2006 5/24/2006

A398 Source Reactor A2 Reactor B2 Reactor C1

Units

Gaseous F Emission Rate (lb/hr) 0.022 0.016 0.018

Particulate F Emission Rate) (lb/hr) 0.006 0.009 0.037

Total F Emission Rate (lb/hr) 0.027 0.0250 0.055

Gaseous F Concentration (Ci) (mg/dscf) 0.0042 0.0036 0.0037

Particulate F Concentration (Ci) (mg/dscf) 0.0011 0.0020 0.0077

Tota F Concentration (mg/dscf) 0.0053 0.0057 0.0114

Flow Rate (dscf/hr) 2376522.902 2008081.83 2182759.505

Production for May 2006 (tons/hr) 16.07

Primary Emissions minus production (lbs/hr) 0.65

Ep for May (lbs/TAP) 0.040

A398F lb/ton

Gaseous 0.021

Particulate 0.019

Ep = (((C1xQ1)+ (C2xQ2) + (C3xQ3))/3)/K/P

Ep = Primary emission rate, (lbs/ton)

Ci = concentration of TF or POM's for each run, (mg/dscf)

Qi = volumetric flow rate of effluent gas for each run, (dscf/hr)

P = Total plant aluminum production, (ton/hr)

K = conversion factor, (453,500 mg/lb)
TF Primary Emissions

Alcoa East Wet Scrubbers

Pollutant TF - 2005 Test Date 5/24/2005 5/25/2005 5/26/2005

A398 Source Reactor A1 Reactor B-1 Reactor C2

Units

Gaseous F Emission Rate (lb/hr) 0.111 0.026 0.022

Particulate F Emission Rate) (lb/hr) 0.073 0.02 0.125

Total F Emission Rate (lb/hr) 0.183 0.0460 0.147

Gaseous F Concentration (Ci) (mg/dscf) 0.0243 0.0049 0.0050

Particulate F Concentration (Ci) (mg/dscf) 0.0160 0.0037 0.0282

Tota F Concentration (mg/dscf) 0.0404 0.0086 0.0333

Flow Rate (dscf/hr) 2060505.025 2411650.253 2002433.97

Production for May 2005 (tons/hr) 15.93

Primary Emissions minus production (lbs/hr) 2.26

Ep for May (lbs/TAP) 0.142

Ep = (((C1xQ1)+ (C2xQ2) + (C3xQ3))/3)/K/P

Ep = Primary emission rate, (lbs/ton)

Ci = concentration of TF or POM's for each run, (mg/dscf)

Qi = volumetric flow rate of effluent gas for each run, (dscf/hr)

P = Total plant aluminum production, (ton/hr)

K = conversion factor, (453,500 mg/lb)
TF Primary Emissions

Alcoa East Wet Scrubbers

2004

Pollutant TF - 2004 Test Date 5/21/2004 5/21/2004 5/22/2004

Source React B6Test 1 React B6 Test 2 Reactor A6

Units

Gaseous F Emission Rate (lb/hr) 0.01 0.019 0.028

Particulate F Emission Rate) (lb/hr) 0.047 0.011 0.009

Total F Emission Rate (lb/hr) 0.057 0.0300 0.038

Gaseous F Concentration (Ci) (mg/dscf) 0.002 0.004 0.006

Particulate F Concentration (Ci) (mg/dscf) 0.010 0.002 0.002

Tota F Concentration (mg/dscf) 0.013 0.007 0.009

Flow Rate (dscf/hr) 2043099.755 2038754.922 1978224.681

Production for May 2005 (tons/hr) 11.06

Primary Emissions minus production (lbs/hr) 0.4855

Ep for May (lbs/TAP) 0.044

Ep = ((((C1xQ1)+ (C2xQ2))/2) + (C3xQ3))/2)/K/P

Ep = Primary emission rate, (lbs/ton)

Ci = concentration of TF or POM's for each run, (mg/dscf)

Qi = volumetric flow rate of effluent gas for each run, (dscf/hr)

P = Total plant aluminum production, (ton/hr)

K = conversion factor, (453,500 mg/lb)