Measured Flux Rates from Diffuse Sources using Flux Chamber (for full details refer to GHD, 2005 and Air Assessments, 2005) Source Type/Sample Point Lower Dam 1 (near return water intake) Lower Dam 2 (near condensate discharge point) ROCP2-1 ROCP2-2 Average ROCP RDA2-1 RDA2-2 Super Thickener Super Thickener Average Superthickener Cooling Pond 1 Cooling Pond 1 Average Cooling Pond 1 Cooling Pond 2 Oxalate 1 Oxalate 2 Average Oxalate Pond ROWS 1 ROWS 2 Average ROWS Dry Mud Nearly Dry Mud (derived) Partially Dry Mud (derived) Wet Mud Average (Based on 90:10) Wet Sand Surface Area BaP m2 Equivalents Acetone Acetaldeyhde Formaldehyde 2-Butanone Benzene Toluene All substances (except odour) micrograms/m2/minute as on plan 8.53 1.51 as on plan as on plan as on plan 14.73 6.20 3.26 4.73 42.64 18.60 0.00 555.56 555.56 32.56 3.33 7.75 0.74 0.78 7.75 8.91 0.78 1.78 5.43 206.72 206.72 10.85 1.29 1.29 4.65 61.37 61.37 4.26 10.85 37.60 1.96 3.44 2.70 2.05 4.65 1.71 4.26 6.20 as on plan as on plan 4418 as on plan as on plan as on plan as on plan as on plan 5.40E-03 4.30E-03 4.85E-03 2.38E-04 5.61E-04 3.99E-04 5.94E-04 as on plan as on plan as as as as on plan on plan on plan on plan as on plan 1.05E-04 32.56 54.26 5.21 12.42 8.81 3.02 2.02 2.52 9.10 16.54 24.21 31.65 11.35 1.32 2.05 0.95 3.62 6.37 9.04 1.76 0.87 0.92 0.23 0.94 0.34 0.23 0.29 1.60 1.60 1.01 0.85 0.93 2.09 4.24 6.33 0.63 4.55 Odour OU Xylenes (measured) OU/m2/sec 1.15 2.33 3.48 0.35 0.48 1.34 1.98 1.66 2.83 7.70 5.26 2.40 2.14 1.68 1.91 4.30 4.19 4.25 0.54 1.07 0.81 0.33 0.80 0.80 0.80 3.10 3.10 0.78 0.78 0.30 0.30 0.73 1.09 1.22 1.22 2.06 2.06 1.85 1.28 0.32 0.80 1.07 0.31 0.18 0.24 1.11 2.15 5.67 6.98 6.32 0.78 0.78 1.76 0.17 0.12 0.15 0.13 0.07 0.10 0.05 0.36 0.69 1.00 0.15 1.00 Mass Emission Rates from Diffuse Sources – Current RDA Configuration Source Type RDA1 RDA3 RDA4 RDA5 RDA6 RDA7 RDA8 RDA9 RDA10 RDA11 Surface Area m2 BaP Equivalents Acetone residue mud 105300 654900 407000 190000 253000 255000 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 AcetaldeyhdeFormaldehyd 2-Butanone Benzene All substances except odour grams/s 1.99E-02 3.09E-03 1.11E-03 1.24E-01 1.92E-02 6.91E-03 7.70E-02 1.19E-02 4.29E-03 3.59E-02 5.57E-03 2.00E-03 4.79E-02 7.42E-03 2.67E-03 4.82E-02 7.48E-03 2.69E-03 Toluene Xylenes Odour OU (measured) 6.11E-04 3.80E-03 2.36E-03 1.10E-03 1.47E-03 1.48E-03 1.29E-03 8.01E-03 4.98E-03 2.33E-03 3.10E-03 3.12E-03 3.25E-03 2.02E-02 1.26E-02 5.87E-03 7.82E-03 7.88E-03 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 OU/sec 1.56E+04 9.71E+04 6.03E+04 2.82E+04 3.75E+04 3.78E+04 Drying Beds Total 0.00E+00 3.53E-01 5.47E-02 1.97E-02 1.08E-02 2.28E-02 5.77E-02 0.00E+00 2.76E+05 Lower Dam 1 (near return water intake) 176988.2 Lower Dam 2 (near condensate discharge point) 11.78097 Lower Dam combined 0.00E+00 2.52E-02 4.46E-03 0.00E+00 0.00E+00 2.72E-03 6.86E-04 0.00E+00 1.66E+05 0.00E+00 0.00E+00 2.89E-06 2.52E-02 6.54E-07 4.46E-03 1.45E-07 1.45E-07 0.00E+00 0.00E+00 0.00E+00 2.72E-03 0.00E+00 6.86E-04 0.00E+00 0.00E+00 1.26E+01 1.66E+05 ROCP2-1 ROCP2-2 109560 45800 0.00E+00 0.00E+00 8.63E-03 3.61E-03 1.42E-02 5.92E-03 1.42E-03 5.92E-04 0.00E+00 0.00E+00 5.24E-04 2.19E-04 0.00E+00 0.00E+00 0.00E+00 0.00E+00 2.66E+04 1.11E+04 RDA2-1 Liquor Southern RDA2-2 Mud - Northern (use wet mud) 141550 73600 0.00E+00 0.00E+00 1.01E-01 3.88E-02 2.10E-02 1.11E-02 4.21E-03 7.77E-03 1.28E-02 4.27E-03 0.00E+00 3.62E-04 0.00E+00 0.00E+00 1.12E-03 0.00E+00 1.57E+05 7.33E+04 4610 3.72E-07 4.27E-02 1.59E-02 9.93E-05 4.72E-03 1.27E-04 3.26E-04 6.14E-05 2.92E+04 120280 34920 8.01E-07 3.46E-07 6.53E-02 3.16E-02 2.18E-02 2.19E-02 9.32E-03 9.93E-04 8.55E-03 3.61E-03 1.06E-02 1.40E-03 1.62E-03 1.89E-04 0.00E+00 0.00E+00 9.33E+04 6.16E+04 1.15E-06 9.68E-02 4.36E-02 1.03E-02 1.22E-02 1.20E-02 1.81E-03 0.00E+00 1.55E+05 18880 0.00E+00 2.77E-03 8.51E-04 0.00E+00 5.04E-04 6.01E-04 2.51E-04 0.00E+00 2.78E+03 332800 0.00E+00 1.40E-02 1.14E-02 5.16E-03 0.00E+00 1.72E-02 6.76E-03 0.00E+00 3.35E+04 5000 5000 38400 8.74E-09 8.74E-09 0.00E+00 8.74E-09 1.10E-04 1.10E-04 2.73E-02 2.74E-02 7.24E-05 7.24E-05 5.71E-03 5.78E-03 3.79E-04 3.79E-04 1.14E-03 1.52E-03 0.00E+00 0.00E+00 3.47E-03 3.47E-03 9.09E-05 9.09E-05 0.00E+00 9.09E-05 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 3.05E-04 3.05E-04 4.98E+03 4.98E+03 4.27E+04 4.76E+04 2972600 1.54E-06 7.13E-01 1.89E-01 5.11E-02 4.87E-02 5.67E-02 6.75E-02 1.49E-03 9.83E+05 Super Thickener Cooling Pond 1 Cooling Pond 2 inlet 22.5% Cooling Pond Total Oxalate Ponds ROWS Wet Sand (sand cannon) Wet Sand (sand Lake) Sand Lake liquor (ass as RDA2-1) Sand Lake total Total Mass Emission Rates from Diffuse Sources – 2008 RDA Configuration Assuming Expansion Source Type RDA1 RDA3 RDA4 RDA5 RDA6 RDA7 RDA8 RDA9 RDA10 RDA11 Total dry RDAs Lower Dam 1 (near return water intake) Lower Dam 2 (near condensate discharge point) Lower Dam combined Surface Area m2 BaP Equivalents Acetone residue mud 92300 571600 322000 134800 227500 246400 391000 438400 391100 507300 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 AcetaldeyhdeFormaldehyd 2-Butanone All substances except odour grams/s 1.75E-02 2.71E-03 9.74E-04 1.08E-01 1.68E-02 6.03E-03 6.09E-02 9.45E-03 3.40E-03 2.55E-02 3.95E-03 1.42E-03 4.30E-02 6.67E-03 2.40E-03 4.66E-02 7.23E-03 2.60E-03 7.40E-02 1.15E-02 4.13E-03 8.29E-02 1.29E-02 4.63E-03 7.40E-02 1.15E-02 4.13E-03 9.60E-02 1.49E-02 5.35E-03 Benzene Toluene Xylenes Odour OU (measured) 5.36E-04 3.32E-03 1.87E-03 7.82E-04 1.32E-03 1.43E-03 2.27E-03 2.54E-03 2.27E-03 2.94E-03 1.13E-03 7.00E-03 3.94E-03 1.65E-03 2.78E-03 3.02E-03 4.79E-03 5.37E-03 4.79E-03 6.21E-03 2.85E-03 1.77E-02 9.95E-03 4.17E-03 7.03E-03 7.62E-03 1.21E-02 1.36E-02 1.21E-02 1.57E-02 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 OU/sec 1.37E+04 8.47E+04 4.77E+04 2.00E+04 3.37E+04 3.65E+04 5.79E+04 6.50E+04 5.80E+04 7.52E+04 3322400 176988.2 0.00E+00 2.52E-02 4.46E-03 0.00E+00 0.00E+00 2.72E-03 6.86E-04 0.00E+00 1.66E+05 11.78097 0.00E+00 0.00E+00 2.89E-06 2.52E-02 6.54E-07 4.46E-03 1.45E-07 1.45E-07 0.00E+00 0.00E+00 0.00E+00 2.72E-03 0.00E+00 6.86E-04 0.00E+00 0.00E+00 1.26E+01 1.66E+05 ROCP2-1 ROCP2-2 109560 45800 0.00E+00 0.00E+00 8.63E-03 3.61E-03 1.42E-02 5.92E-03 1.42E-03 5.92E-04 0.00E+00 0.00E+00 5.24E-04 2.19E-04 0.00E+00 0.00E+00 0.00E+00 0.00E+00 2.66E+04 1.85E-04 RDA2-1 Liquor Southern RDA2-2 Mud - Northern (use wet mud) 141550 45500 0.00E+00 0.00E+00 1.01E-01 3.88E-02 2.10E-02 1.11E-02 4.21E-03 7.77E-03 1.28E-02 4.27E-03 0.00E+00 3.62E-04 0.00E+00 0.00E+00 1.12E-03 0.00E+00 1.57E+05 4.53E+04 5317 4.29E-07 4.92E-02 1.83E-02 1.14E-04 5.44E-03 1.47E-04 3.76E-04 7.08E-05 3.36E+04 120280 34920 1.20E-06 5.19E-07 9.79E-02 4.74E-02 3.26E-02 3.28E-02 1.40E-02 1.49E-03 1.28E-02 5.41E-03 1.58E-02 2.10E-03 2.42E-03 2.84E-04 0.00E+00 0.00E+00 1.40E+05 9.23E+04 28880 0.00E+00 4.24E-03 1.30E-03 0.00E+00 7.71E-04 9.19E-04 3.84E-04 0.00E+00 4.25E+03 332800 0.00E+00 2.79E-02 2.28E-02 1.03E-02 0.00E+00 3.44E-02 1.35E-02 0.00E+00 6.70E+04 5000 8.74E-09 1.10E-04 7.24E-05 3.79E-04 0.00E+00 9.09E-05 0.00E+00 0.00E+00 4.98E+03 7500 38400 8.74E-09 0.00E+00 8.74E-09 1.10E-04 2.73E-02 2.74E-02 7.24E-05 5.71E-03 5.78E-03 3.79E-04 1.14E-03 1.52E-03 0.00E+00 3.47E-03 3.47E-03 9.09E-05 0.00E+00 9.09E-05 0.00E+00 0.00E+00 0.00E+00 0.00E+00 3.05E-04 3.05E-04 4.98E+03 4.27E+04 4.76E+04 7737307 2.17E-06 1.06E+00 2.68E-01 7.68E-02 6.43E-02 9.81E-02 1.20E-01 1.50E-03 1.28E+06 Super Thickener Cooling Pond 1 Cooling Pond 2 inlet 22.5% Oxalate Ponds ROWS Wet Sand (sand cannon) Wet Sand (sand Lake) Sand Lake liquor (ass as RDA2-1) Sand Lake total Total