Version #3 September 20, 2007Pollutant ID Production/Heat Production Units Emissions Emissions HG Annual Hours HG Co-Product NotesRate (eg. tons/yr) Factor Factor Units Emissions (lbs/yr) Operated (tons/yr)Source: Newmont Mining Corporation - Twin Creeks Mine: AP1041-0723.01Hg 41.90 tpy 0.0000853 lbs/hr 0.0358 420 0Hg 43.80 tpy 0.00208 lbs/hr 0.9027 434 0Hg 5,650.00 tpy 0.00313 lbs/hr 23.8850 7,631 0Hg 18.78 tpy 0.000133 lbs/hr 0.4680 3,519 2.31Hg 17.37 tpy 0.0000187 lbs/hr 0.0617 3,298 2.12Hg 18.61 tpy 0.0000271 lbs/hr 0.0885 3,264 2.23Hg 19.61 tpy 1.071E-06 lbs/hr 0.0038 3,519 2.25Hg 0.00 tpy 0.171 lbs/hr 0.0000 0 0 Unit did not operate in 2006.Hg 1,673,331.00 tpy 0.018559 lbs/hr 153.4273 8,267 0 Emissions factor based on October, 2006 test data.Hg 1,624,170.00 tpy 0.00795 lbs/hr 64.0770 8,060 0Hg 800,000.00 sol tons/yr 0.00486 lbs/hr 42.5736 8,760 0Hg 800,000.00 sol tons/yr 0.0163 lbs/hr 142.7880 8,760 0Hg 800,000.00 sol tons/yr 0.000133 lbs/hr 1.1651 8,760 0Hg 800,000.00 sol tons/yr 0.000133 lbs/hr 1.1651 8,760 0Hg 116.40 tpy lbs/hr 3.7300 0 Assumes 100% volatization.System Description: Mercury Retort Circuit (B) - S2.005System Description: Mercury Retort Circuit (C) - S2.005.1System Description: Juniper Mill Electric Induction Furnace (1 of 2 - only one operates at a time) - S2.001Nevada Bureau of Air Pollution ControlCalendar Year 2006 Actual Production/Emission Reporting Form Addendum for Mercury EmissionsSource: Cumulative NMCP Data SubmittalsSystem Description: Juniper Mill Carbon Kiln - S2.002System Description: Juniper Mill Electric Induction Furnace (1 of 2 - only one operates at a time) - S2.001.1System Description: Mercury Retort Circuit (A) - S2.004System Description: Mercury Retort Circuit (D) - S2.005.2System Description: Pinon Carbon Kiln - S2.021System Description: Sage Mill Autoclave (Phase 1) - S2.023System Description: Sage Mill Autoclave (Phase 2) - S2.024System Description: Electrowinning Cells (six cells ducted to common stack)System Description: Juniper Mill Pregnant & Barren TanksSystem Description: Pinon Mill Pregnant Solution TankSystem Description: Pinon Mill Barren Solution TankSystem Description: Laboratory Sample Preparation Circuit (includes Drying Ovens) - S2.006 - S2.011Version #3 September 20, 2007Hg 6.90 tpy lbs/hr 0.0000 0 Assumes 100% volatization.Hg 3.00 tpy lbs/hr 0.0000 0 Assumes 100% volatization.Source: Queenstake Resources USA, Inc - Jerritt Canyon Mine: AP1041-0778Hg 459,549.00 tpy 0.0004 lbs/ton 183.8196 6,837 1.39 Estimate based on 2004 testing.Hg 520,625.00 tpy 0.000114 lbs/ton 59.3513 6,551 1.57 Estimate based on 2004 testing.Estimate based on 2006 testing, Hg co-product accounted forunder roasters.Based on March, 2007 testing, submitted to NDEP April, 2007.Hg N/A 0 lbs/hr 0.0000 N/A N/A Based on February, 2001 testing.Based on 2006 sample of induction feed. Hg co-productaccounted for under roasters.Hg 1,094,530.00 lbs/yr 29.9 ppm Hg 32.7000 N/A N/A Assumes 100% volatization.Hg 58,667.00 lbs/yr 0 ppm Hg 0.0000 N/A N/A All Hg assumed to be volatized in the Large Drying Ovens.Hg 6,652.00 lbs/yr 100 ppm Hg 0.6700 N/A N/A Assumes 100% volatization.Hg 423.00 lbs/yr 0 ppm Hg 0.0000 N/A N/A All Hg assumed to be volatized in the Small Drying Oven.Hg 977.80 lbs/yr 2.8 ppm Hg 0.0027 N/A N/A Concentrations per WPCP Quarterly testing, max value.Facility Total: 434.3715 8.9100Facility Total: 293.9245System Description: Laboratory Assay Furnaces - S2.012 - S2.016System Description: System 40: West Roaster Process - S2.036 & PF1.2132.9600System Description: System 35: Ore Dryer - S2.026Hg 47.00 tpy 0.02139 lbs/ton 1.0053 1,541 See NoteSystem Description: Laboratory Leco FurnaceSystem Description: System 42: East Roaster Process - S2.041 & PF1.214System Description: Carbon Bed Venturi Scrubber (System 49: Carbon Kiln - S2.041 & System 51: Retort - S2.051)System Description: Other Lab Processes downstream of the Large Drying OvensHg 10.51 tpy 130 ppm Hg 2.7000 831 See Note974,738.00 tpy lbs/ton 13.6756 4,958 N/ASystem Description: Laboratory Small Ore Dryer (1 Unit)0.00001403System Description: Electrowinning CellsSystem Description: System 50: Refining Process (S2.050) Induction FurnaceSystem Description: Laboratory: Large Ore Drying Ovens (5 Units)HgSystem Description: Other Lab Processes downstream of the Small Drying OvenSystem Description: Laboratory Hot Plates (2 Units)Version #3 September 20, 2007Source: Newmont Mining Corporation - Gold Quarry: AP1041-0793Hg 3,156,763.00 tpy 1.8875E-07 lbs/ton 0.5958 7,519 0Hg 3,073,402.00 tpy 0.006805 lbs/hr 51.9222 7,630 0Hg 3,073,402.00 tpy 0.000433 lbs/hr 3.3038 7,630 0.62Hg 1,365,051.00 tpy 0.011412 lbs/hr 86.9823 7,622 0Hg 1,708,351.00 tpy 0.007024 lbs/hr 53.5931 7,630 0Hg 6,121.50 tpy 0.011673 lbs/hr 71.5438 6,129 0.01Hg 33,693.90 MMBTU/yr 0.000216 lbs/hr 1.3239 6,129 0Hg 14,800.30 tpy 0.000418 lbs/hr 2.7458 6,569 0Hg 7,064.50 tpy 0.002487 lbs/hr 17.2672 6,943 0.04Hg 39,396.00 MMBTU/yr 0.000047 lbs/hr 0.3263 6,943 0Hg 80.10 tpy 0.002846 lbs/hr 9.1983 3,232 2.05Hg 114.00 tpy 0.00922 lbs/hr 6.1811 670 0Hg 0.00067 lbs/hr 5.3801 8,030 0Emission rate is based on volume of samples processed,average mercury concentration and sample size assuming100% volatization and release at the exhaust stacks.Emission rate is based on volume of samples processed,average mercury concentration and sample size assuming0.1% volatization at operating temperatures and release atthe exhaust stacks.0N/A N/A 0.1000 N/AHg 4.80 tpyHg 3,769.90 tpy N/A 0N/A N/A 0.1000System Description: Zadra Carbon Kiln CombustionSystem Description: ROTP Dry-Grinding Static SeparatorSystem Description: ROTP Ore PreheatersSystem Description: ROTP Ore RoastersSystem Description: South Calcine QuenchSystem Description: Refinery RetortsSystem Description: Refinery Induction & Pour FurnacesSystem Description: Refinery Barren Tank & Electrowinning (EW) CellsSystem Description: Integrated Lab Fusing/Cupelling Furnaces #'s 1 - 7System Description: Integrated Lab Grieve Drying OvensSystem Description: AARL Carbon KilnSystem Description: AARL Carbon Kiln CombustionSystem Description: AARL Carbon Stripping (Pregnant) TanksSystem Description: ROTP North Calcine QuenchSystem Description: Zadra Carbon KilnVersion #3 September 20, 2007Emission rate is based on volume of samples processed,average mercury concentration and sample size assuming100% volatization and release at the exhaust stacks.Hg 0.018 lbs/hr 16.4700 915 0 Emissions factor from 2001 stack testing.Emissions factor from 2003 stack testing.Throughput not reported, only heat rate. Calculations andtest results on file.Emissions factor from 2003 stack testing.Throughput not reported, only heat rate. Calculations andtest results on file.Source: Bald Mountain Mine Properties - Huntington Valley: AP1041-1362Default factor from permit limits. Alternative emissions ratebased on 2005 testing = 34.29 lbs/yr (.007 lbs/hr * 4,899).Hg 127,504.00 tpy 7,167 0 Emissions factor to be determined during 2007 testing.Hg 13.82 tpy 0.02 lbs/ton 0.2764 1,637 2.94 Default factor from permit limits.Default factor from permit limits. Alternative emissions ratebased on 2005 testing = 174.7 lbs/yr (.486 lbs/hr * 359.5).0N/A N/A 0.1300 N/AHg 5.88 tpy0.000245 lbs/hr 0.6162 2,515HgSystem Description: Retort B - S2.038System Description: Carbon Reactivation KilnSystem Description: Electrowinning Cells0Facility Total: 17.1801 0.0000System Description: Retort FurnaceSystem Description: Bullion FurnaceHg 10.87 tpyFacility Total: 310.69370.0000303 lbs/hr 0.0939 3,100 0System Description: Manual Lab FurnacesSystem Description: Refinery Furnaces #1 & #2 - S2.035 & S2.036System Description: Retort A - S2.037Hglbs/ton 108.6900 453tpyHg 532.50 0.179 lbs/ton 95.3175 4,899 0102.7200Source: Newmont Mining Corporation - Midas Operations: AP1041-0766.010Version #3 September 20, 2007Hg0 Assay Lab reported as one De Minimis Unit assuming 100%volatization of mercury based on the following formula:Hg0.0186 0 Samples/Yr * Weight (g)/1 * Avg. Hg Content (ppmw) *1/(1.00E+06) = Hg Emitted/Yr. Actual values are:Hg0 141,154 samples * 30g * 2ppmw / 1.00E-06 = 8.47g/yr /448 g/lb. = .0186 lbs/yr.Hg0Source: Kennecott Rawhide Mining Company - Denton-Rawhide Mine: AP1041-1116.02Hg 0.00 tpy 0.53534 lbs/ton 0.0000 0 Kiln inoperable during 2006.Hg 12,249.80 tpy 0.00779 lbs/ton 95.4259 1,632 0.0477Hg 21.21 tpy 0.08 lbs/ton 1.6968 3,606Hg 44.00 tpy 0.616 lbs/hr 254.4696 413 0.01442Hg 0.05 tpy 0.01 lbs/ton 0.0005 416 <0.00001System Description: Fire Assay Lab (4 Drying Ovens)System Description: Carbon Regeneration KilnSystem Description: Fire Assay Lab (2 Fire Assay Furnaces)System Description: Fire Assay Lab (6 Hot Plates)Facility Total: 351.5928 0.0621System Description: Electrowinning CircuitSystem Description: System 1 - Mercury RetortSystem Description: System 2 - Refinery Furnace BaghouseSystem Description: Fire Assay Lab Furnace BaghouseSystem Description: Fire Assay Lab (1 Atomic Adsorption Analytical Instrument)Facility Total: 204.3025 2.9400Version #3 September 20, 2007Source: Hycroft Resources & Development, Inc. - Crofoot/Lewis Project: AP1041-0334.02HgSystem did not operate in 2006.HgSystem did not operate in 2006.HgSystem did not operate in 2006.HgSystem did not operate in 2006.HgSystem did not operate in 2006.HgSystem did not operate in 2006.Source: Metallic Ventures, Inc.: AP1041-1202HgSystem did not operate in 2006.HgSystem did not operate in 2006.Source: Coeur D'Alene Mining Corporation - Coeur Rochester Mine: AP1044-0063.02Hg 250.26 tpy 0.0059 lbs/hr 2.8792 488 0Hg 250.26 tpy 2.85E-10 lbs/hr 0.0000 6,376 16.1Hg 8.30 tpy 0.0080 9,704 0Hg 7.22 tpy 0.0000 1,726 0Hg 1.08 tpy 0.0000 484 0Hg 0.00 0.0000 3,288 0Hg 0.00 0.0000 520 00.0000Facility Total: 0.0000System Description: Assay Lab (Cumulative total for all units listed below)System Description: Assay Lab - Grieve Sample Drying Oven (4 Units)System Description: Assay Lab - Assay Furnaces (4 Units)System Description: Assay Lab - Atomic Adsorption Analyzers (2 Units)System Description: Assay Lab - LECO Furnace (1 Unit)System Description: Dore FurnaceSystem Description: Carbon Reactivation KilnSystem Description: Refinery FurnaceSystem Description: RetortSystem Description: Mercury Retort #3System Description: Furnace #1System Description: Furnace #2System Description: Furnace #3System Description: Mercury Retort #1System Description: Mercury Retort #2Facility Total: 0.0000 0.0000Version #3 September 20, 2007Hg 0.00 0.0000 3,650 0Hg 0.00 0.0000 36 0Source: Newmont Mining Corporation - Lone Tree Mine: AP1041-0059Hg 27,592.00 tpy 0.00539 lbs/hr 35.1590 6,523 0 Based on 2006 source test data.Hg 611.00 tpy 0.205222 lbs/hr 572.1589 2,788 0 Based on 2006 source test data.Hg 3.00 tpy 0.001442 lbs/hr 11.2822 7,824 0 Based on 2006 source test data.Hg N/A N/A 0.00012 lbs/hr 1.0512 8,760 0Based on a mass balance multiplying pounds of sampleprocessed and the average Hg concentration (1.94 ppm),assuming 100 volatization.Hg0Hg0Hg0Source: Cortez Gold Mines - Pipeline Mining Operation: AP1041-0619.01Hg 51.66 tpy 0.11 lbs/hr 56.4300 513 0 Tier 1 stack test conducted 03/06.Hg 4,420.00 tpy 0.025 lbs/hr 92.4500 3,698 0.12 Tier 1 stack test conducted 03/06 with both kilns online.Hg 50.00 gal/min 0.00061 lbs/hr 5.3436 8,760 0 Tier 1 stack test conducted 04/06.Hg 50.00 gal/min 0.000154 lbs/hr 1.3490 8,760 0 Tier 1 stack test conducted 04/06.0.0000Facility Total: 622.1013Facility Total: 2.8872 16.10000System Description: Assay Lab - Wet Lab Hot Plates (2 Units)System Description: Assay Lab - Metallurgy Lab Hot Plate (1 Units)2.4500Hg 645.00 tpySystem Description: Refinery Induction Furnaces #1 & 2System Description: Electric Carbon Reactivation Kiln #1 (S2.006) & #2 (S2.007)System Description: Electrowinning Cells (Train #1 - 3 cells)System Description: Electrowinning Cells (Train #2 - 3 cells)System Description: Electrowinning CellsSystem Description: Pregnant and Barren Solution TanksSystem Description: Drying OvensSystem Description: Autoclave, electrically firedSystem Description: Carbon Kiln, electric inductionSystem Description: Lone Tree Mine Laboratory - Fire Assay FurnacesSystem Description: Lone Tree Mine Laboratory - Cress FurnacesSystem Description: Lone Tree Mine LaboratoryVersion #3 September 20, 2007Hg 0.01 tpy 0.000609 lbs/hr 4.8903 8,030 0 Tier 2.Based on engineering calculations & other design criteria.Tier 2 stack test scheduled for June 2007.Hg 40,000.00 lbs/yr 1 ppm Hg 0.0000 0Hg 99.00 lbs/yr 0.3 ppm Hg 0.0000 0Hg 4,365.00 lbs/yr 0.3 ppm Hg 0.0013 0Hg 2,936,557.00 lbs/yr 1 ppm Hg 2.9366 0Hg 277,782.00 lbs/yr 1 ppm Hg 0.2778 0Hg 4,762.00 lbs/yr 1 ppm Hg 0.0048 0Hg 12,699.00 lbs/yr 1 ppm Hg 0.0127 0Hg 159.00 lbs/yr 1 ppm Hg 0.0002 0Hg 1,587.00 lbs/yr 1 ppm Hg 0.0016 0Hg 5.00 lbs/yr 1 ppm Hg 0.0000 0Hg 5.00 lbs/yr 1 ppm Hg 0.0000 0Hg 5.00 lbs/yr 1 ppm Hg 0.0000 0Hg 7,937.00 lbs/yr 1 ppm Hg 0.0079 0Hg 198.00 lbs/yr 0.3 ppm Hg 0.0001 0Facility Total: 166.7059 0.1200System Description: Gold Sludge Drying Oven51.660System Description: Assay Laboratory, Leco Induction FurnacesSystem Description: Assay Laboratory, Graphite FurnaceSystem Description: Assay Laboratory, Hotplates0.002 lbs/hr 3.0000 1,500Hg tpySystem Description: Assay Laboratory, Roasting OvenSystem Description: Met Laboratory, Hot PlateSystem Description: Met Laboratory, Benchtop AutoclavesSystem Description: Met Laboratory Drying OvenSystem Description: Assay Laboratory, Atomic Absorption SpectrometersSystem Description: Assay Laboratory, Drying Oven (Walk through Grieve)System Description: Assay Laboratory, Drying Oven (Small Grieve)System Description: Assay Laboratory, Drying Oven (Back-up Small Grieve)System Description: Strip Circuit Area, AA MachineSystem Description: Assay Laboratory, Fusing/Cupelling Furnaces (DFC Electric)System Description: Assay Laboratory, Annealing FurnaceSystem Description: Assay Laboratory Furnace BaghouseVersion #3 September 20, 2007Retort emissions factor calculated from 1993 stack testresults; throughput for retorts and electrowinning circuitsare the same.Emissions factor from De Minimis Determination Title VInventory for Lab. Assay lab emissions calculated from Hgconcentration in samples & annual throughput assumingall Hg in samples was emitted (volatized).Emissions factor from industrial source with similarequipment; throughput for retorts and electrowinning circuitsare the same.Emissions factor from industrial source with similarequipment.Hg 22,632.00 lbs/yr 0.00225 lbs/lb 50.9220 272 0.025461 Emissions factor comes from Title V Inventory.Emissions factor from industrial source with similarequipment, however, hours not reported.Emissions factor from industrial source with similarequipment, however, hours not reported.Source: Round Mountain Gold Corporation - Smoky Valley Common Operation: AP1041-0444.01Hg 3,618.00 tpy 0.0091 lbs/ton 32.9238 8,675 Based on Hg mass balance.Hg 44.30 tpy 0.23 lbs/ton 10.1890 767 0.0085 Emissions estimate based on Hg mass balance.Hg 0.00159 lbs/hr 13.9284 8,760 Based on limited vent sampling data.440.7382 0.22640.0029960.1812780.0029960.0000043020.01312465System Description: Mercurt Retorts0.0011 lbs/hrHg 23,863.00 lbs/yrHg 23,863.00 lbs/yr 0.0011 lbs/hr0.162 lbs/ton 362.5560Hg 2,238.00 tpyHg 23,863.00 lbs/yr 0.0011 lbs/lb 26.24930.000002 lbs/lb 0.0086Hg 4,302.00 sample lbs/yr0.000042 lbs/lb 1.0022 0.000501123Hg 23,863.00 lb/yrSystem Description: Assay LabSystem Description: Inductotherm Dore FurnaceSystem Description: Pregnant TankSystem Description: Barren TankSystem Description: Summit Valley Electrowinning Cell Model #75EC18System Description: Combustion Air International Carbon Kiln Model #WCC250DX-21,030System Description: Electric Induction Furnace: System 24 - S2.130System Description: Carbon Regeneration Kiln: System 25 - S2.121System Description: Refinery Electrowinning Vent - NP1.005Facility Total:Source: Florida Canyon Mining, Inc. - Florida Canyon Mine: AP1041-0106.02Version #3 September 20, 2007HgMass balance approach, emissions are for all twelveSystem Description: Assay Lab (8 Assay Furnaces)Assay Lab units.Hg 365,000.00 lbs/yr 3.8E-08 lbs/lb 0.0139 8,760Hg 482.81 lbs/yr 0.000002 lbs/lb 0.0010 8,760 Mass balance approach, emissions are for all threeSystem Description: High Grade Area (2 Assay Fusion Furnaces) High Grade Area units.Hg 63,875.00 lbs/yr 3.8E-08 lbs/lb 0.0024 8,760Source: Homestake Mining Company - Ruby Hill Project: AP1041-0713.01Hg 11.80 tpy 0.03 lbs/hr 9.3900 313 0 See attached calculations.Hg 0.46 tpy 0.001 lbs/ton 0.0005 216 0.5 Default emissions factor from permit.Hg 0.07 tpy 5 lbs/ton 0.3600 6 0 Default emissions factor from permit.Hg 0.0026 lbs/hr 19.0320 7,320 0 See attached calculations.HgSystem did not operate in 2006.Source: Glamis Marigold Mine - Marigold Mine: AP1041-0158.02Hg 743.46 tpy 0.162 lbs/hr 893.6244 5,516 0 Emissions factor from January 17, 2006 source test.Emissions factor from January 17, 2006 source testmultiplied by 99.9% control efficiency.Hg0 System did not operate in 2006.Hg 0.0011 lbs/hr 7.2072 6,552 0 Emissions factor from January 18, 2006 source test.Emissions factor from January 18, 2006 source test.multiplied by 99.9% control efficiency.System Description: Electric Carbon Kiln (S2.019)System Description: Electric Mercury Retort (S2.022)Facility Total: 57.0585 0.0085System Description: Electric Refinery Induction Furnace (S2.013)System Description: Electrowinning Cells 1 & 2 (IA1.005)System Description: Assay LabSystem Description: Carbon Kiln (existing drum without controls from January 1, 2006 - October 17, 2006)Facility Total: 28.7825 0.5000System Description: Electrowinning Circuit (3 cells with controls from October 18, 2006 - December 31, 2006)Hg 132.10 tpy 0.00016 lbs/hr 0.2011 1,257System Description: Carbon Kiln (under construction)Hg N/A N/A 0.000001 lbs/hrSystem Description: Assay Lab (4 Drying Ovens)System Description: High Grade Area (1 Drying Oven)2,208 000.0022System Description: Carbon Kiln (existing drum with controls from October 18, 2006 - December 31, 2006)System Description: Electrowinning Circuit (3 cells without controls from January 1, 2006 - October 17, 2006)Version #3 September 20, 20077.71 tpy 0.000834 lbs/hr 0.7564 907 0.1165 Emissions factor from December 19, 2005 source test.0.051 0.051 tpy misc. clean-up.HgSystem not modified as of December 31, 2006.Hg 5.98 tpy 0.0089 lbs/hr 1.8939 213 0 Emissions factor from September 21, 2005 source test.HgSystem not modified as of December 31, 2006.Hg 0.0011 lbs/hr 2.1858 1,987 0 Common stack w/kiln - no data for barren tank alone.Hg 0.0011 lbs/hr 2.1858 1,987 0 Common stack w/kiln - no data for barren tank alone.Hg0.0022 0 Mass balance approach, 100% volatization assumed forSystem Description: Assay Lab (1 Atomic Adsorption Analytical Instrument) total of 83,051 samples processed during 2006. TheHg0.0005 0 volatization rates used were: Drying Ovens - 5%,System Description: Assay Lab (2 Assay Furnaces)AA Instrument - 100%, Assay Furnaces - 99%,Hg0.0015 0 Cupellation Furnace - 33% of remaining 1% from assay furn.,System Description: Assay Lab (Cupellation Furnace)Hot Plates - 33% of remaining 1% from assay furnaces,Hg0.0000 0 Annealing Oven - 33% of remaining 1% from assay furnaces.System Description: Assay Lab (2 Hot Plates)See hard copy submittal for detailed discussion of emissionHg0.0000 0 calculations.System Description: Assay Lab (1 Annealing Oven)Hg0.0000 0Source: Borealis Mining Company: AP1041-2125HgMine not yet operational, project on indefinite hold.Source: Placer Turquoise Ridge, Inc. - Getchell Mine: AP1041-0292.01Hg 0.000229 lbs/hr 0.3506 1,531 Stack test results on file, test performed 09/12/06.Hg 2,726.00 assays 0.00000.1675System Description: Lab Fire Assay/Cuppellation Furnaces (4 Units - System 5: S2.008 & S2.009)System Description: Leco Induction Furnaces (2 Units)Facility Total: 0.0000 0.0000Facility Total: 908.0610System Description: Retort (current configuration)System Description: Retort (future configuration)System Description: Smelting Furnace (current configuration)System Description: No SubmittalSystem Description: Smelting Furnace (future configuration)System Description: Pregnant TankSystem Description: Barren TankSystem Description: Assay Lab (2 Drying Ovens)HgVersion #3 September 20, 2007Hg 6,830.00 analyses 0.0000Hg 6,830.00 analyses 0.0000Hg 16,293.00 samples 8.0461Hg 5,431.00 samples 2.2682Hg 37,884.00 samples 0.0009Hg 37,884.00 samples 0.0094Hg 2,726.00 samples 0.0000Hg 0.00 samples 0.0000Hg 0.00 tests 0.0000Hg 0.00 samples 0.0000Source: Battle Mountain Gold Company - Reona & Phoenix Projects: AP1041-0220.02Hg 3,727.00 tpy 0.000366 lbs/hr 2.2736 6,212 0Hg 0.00000466 lbs/hr 0.0308 6,600 0Hg 2.65E-07 lbs/hr 0.0017 6,600 0Hg 2.80 tpy 0 0.0000 112 0Facility Total: 2.3061 0.000010.6752 0.0000System Description: Drying Room (1 Unit)System Description: Drying Ovens (3 Units - Carl Mauer)System Description: Graphite Furnace (1 Unit)System Description: Atomic Absorption Spectrometers (2 Units)System Description: Retort (S2.014)System Description: Benchtop Autoclave (1 Unit)System Description: Drying Ovens (1 Unit)System Description: Annealing Furnace (1 Unit)System Description: Hotplates (3 Units)System Description: Roasting Oven (1 Unit)System Description: Digestion Blocks (1 Unit)Facility Total:System Description: Electric Carbon Kiln (S2.002)System Description: Electrowinning CellsSystem Description: Pregnant & Barren Solution Vent SystemVersion #3 September 20, 2007Source: Golden Phoenix Minerals, Inc.: AP1041-0694.01HgFacility in temporary closure, system did not operatre in 2006.HgFacility in temporary closure, system did not operatre in 2006.HgFacility in temporary closure, system did not operatre in 2006.HgFacility in temporary closure, system did not operatre in 2006.HgFacility in temporary closure, system did not operatre in 2006.Source: Barrick Goldstrick Mines, Inc.: AP1041-0739.01Hg 5,858,384.00 tpy0.00003996 lbs/ton 234.1010 8,573 98.55 Facility-wide Elemental and Calomel.Hg 10,153.00 tpy 0.024452 lbs/ton 248.2612 7,361 0 See Table C for emissions factor rationale.Hg 833,725.00 tpy 0.0000128 lbs/ton 10.6717 8,149 0 See Table C for emissions factor rationale.Hg 2,189,423.00 tpy 0.0000128 lbs/ton 28.0246 16,267 0 See Table C for emissions factor rationale.Hg 1,134,601.00 tpy 0.0000128 lbs/ton 14.5229 8,025 0 See Table C for emissions factor rationale.Hg 2,404,369.00 tpy 0.0000128 lbs/ton 30.7759 16,796 0 See Table C for emissions factor rationale.Hg 0.000423 lbs/hr 3.3713 7,970 0 See Table C for emissions factor rationale.Hg 100.80 tpy 0.0916 lbs/ton 9.2333 1,019 0 See Table C for emissions factor rationale.Hg 0.00282 lbs/hr 20.8144 7,381 0 See Table C for emissions factor rationale.Hg 2,732,156.00 tpy TBD TBD TBD 7,969 0 Emissions to be determined based on source testingSystem Description: Mill #2 Air Pre-Heater and Dry Grinding Process: System 16 - S2.206 & S2.207.01 - S2.207.12 scheduled forJuly, 2007.Hg 2,648,982.00 tpy TBD TBD TBD 7,907 0Hg 45.35 tpy 0.36 lbs/ton 16.3260 8,760 0 See attached calculations for Assay Lab equipment.Facility Total: 0.0000 0.0000System Description: Dore FurnaceSystem Description: West & East Melting Furnaces & Electrowinning Cells Combined (vented through a common carbon filter): System 68 - S2.013 & S2.014System Description: Electrowinning Cells only: System 68System Description: WET ScrubberSystem Description: Electrowinning CellSystem Description: Electrowinning CellSystem Description: Sludge DryerSystem Description: Mercury Retorts #1 - #3: System 67 - S2.009 - S2.011System Description: Roasters #1 & #2: System 18 - S2.209System Description: Carbon Kiln #2 Drum: System 61 - S2.004.1System Description: Autoclave #1: System 66 - S2.015System Description: Autoclaves #2 & #3: System 66 - S2.016 & S2.017System Description: Autoclave #4: System 66 - S2.018System Description: Autoclaves #5 & #6: System 66 - S2.019 & S2.020System Description: Mill #1 Air Pre-Heater and Dry Grinding Process: System 15 - S2.204 & S2.205.01 - S2.205.12System Description: Assay Laboratories Furnaces: System 70 - S2.051Version #3 September 20, 2007Hg 11.00 lbs/yr 25.79 ppm Hg 0.0003 0 See attached calculations for Assay Lab equipment.Hg 6.60 lbs/yr 25.79 ppm Hg 0.0002 0 See attached calculations for Assay Lab equipment.Hg 6,613.90 lbs.yr 25.79 ppm Hg 0.2000 0 See attached calculations for Assay Lab equipment.Hg 1.50 lbs/yr 25.79 ppm Hg 0.0000 0 See attached calculations for Assay Lab equipment.Hg 1.30 lbs/yr 25.79 ppm Hg 0.0000 0 See attached calculations for Assay Lab equipment.Hg 80.50 lbs/yr 25.79 ppm Hg 0.0020 0 See attached calculations for Assay Lab equipment.Hg 5.50 lbs/yr 25.79 ppm Hg 0.0001 0 See attached calculations for Assay Lab equipment.Hg 87.10 lbs/yr 25.79 ppm Hg 0.0020 0 See attached calculations for Assay Lab equipment.Hg 850.40 lbs/yr 25.79 ppm Hg 0.0200 0 See attached calculations for Assay Lab equipment.Hg 1.30 lbs/yr 25.79 ppm Hg 0.0000 0 See attached calculations for Assay Lab equipment.Hg 160.90 lbs/yr 25.79 ppm Hg 0.0040 0 See attached calculations for Assay Lab equipment.Hg 687.80 lbs/yr 25.79 ppm Hg 0.0200 0 See attached calculations for Assay Lab equipment.Hg 4,960.40 lbs/yr 25.79 ppm Hg 0.1000 0 See attached calculations for Assay Lab equipment.Hg 199.80 tpy 0.000119 lbs Hg/ton 0.0240 0 See attached calculations for Assay Lab equipment.Hg 482.80 lbs/yr 25.79 ppm Hg 0.0100 0 See attached calculations for Assay Lab equipment.Hg 17.70 lbs/yr 25.79 ppm Hg 0.0005 0 See attached calculations for Assay Lab equipment.Hg 5,000.00 lbs/yr 25.79 ppm Hg 0.1300 0 See attached calculations for Assay Lab equipment.Hg 17.70 lbs/yr 25.79 ppm Hg 0.0005 0 See attached calculations for Assay Lab equipment.System Description: Assay Laboratory: Leco Induction FurnacesSystem Description: Assay Laboratory: MicrowaveSystem Description: Met Laboratory: Laboratory Tube (bench-top) RoastersSystem Description: Assay Laboratory: Graphite FurnaceSystem Description: Assay Laboratory: Atomic Absorption SpectrometersSystem Description: Assay Laboratory: Mercury AnalyzerSystem Description: Assay Laboratory: Hot PlatesSystem Description: Assay Laboratory: Digestion BlocksSystem Description: Met Laboratory: Semi-Continuous AutoclaveSystem Description: Assay & Met Laboratory: Drying OvensSystem Description: Mill Met Laboratory: Drying OvenSystem Description: Mill Met Laboratory: LecosSystem Description: Strip Circuit Area: AA MachineSystem Description: Autoclave Met Laboratory: LecosSystem Description: Assay Laboratory: Digestion BlocksSystem Description: Met Laboratory: Hot PlateSystem Description: Met Laboratory: Inductively Coupled Plasma (ICP)System Description: Met Laboratory: Bench Top AutoclavesVersion #3 September 20, 2007Hg 482.80 lbs/yr 25.79 ppm Hg 0.0100 0 See attached calculations for Assay Lab equipment.Hg 357.30 lbs/yr 25.79 ppm Hg 0.0090 0 See attached calculations for Assay Lab equipment.Hg 5,000.00 lbs/yr 25.79 ppm Hg 0.1300 0 See attached calculations for Assay Lab equipment.Source: The Plum Mining Company, LLC - Billy The Kid Mine: AP1041-0936HgSource: Royal Standard Minerals, Inc. - Manhattan Mine: AP1041-1457HgMine not yet operational, project on indefinite hold.Cumualtive Cum. Co-Prod.lbs/yr. tpy4,468.15 Total 133.26System Description: No SubmittalFacilityTotal: 0.0000 0.0000Facility Total: 0.0000 0.0000Facility Total: 616.7650 98.5500System Description: No SubmittalSystem Description: Autoclave Met Laboratory: Hot PlateSystem Description: Roaster Pumphouse Laboratory: AA MachineSystem Description: Autoclave Met Laboratory: Drying Oven