Pollutant 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: AP1041-0723.01System Description: Juniper Mill Electric Induction Furnace (S2.001 - 1 of 2, only one operates at a time)Hg 123.77 tpy 0.02993 lbs/hr 35.0160 1,170 0.0000 Induction Furnace emissions factor derived from 2007 M29 stack test.System Description: Juniper Mill Electric Induction Furnace (S2.001.1 - 1 of 2, only one operates at a time)Hg 145.51 tpy 0.0425 lbs/hr 55.3690 1,303 0.0000 Induction Furnace emissions factor derived from 2007 M29 stack test.System Description: Juniper Mill Carbon Kiln (S2.002)Hg 5,591.00 tpy 0.00097 lbs/hr 7.3245 7,551 0.0000 Carbon Kiln emissions factor derived from 2007 M101A stack test.System Description: Mercury Retort Circuit A (S2.004)Hg 19.64 tpy 0.00012 lbs/hr 0.4223 3,519 3.6895 Retort A emissions factor derived from 2007 M29 stack test.System Description: Mercury Retort Circuit B (S2.005)Hg 16.94 tpy 0.000068 lbs/hr 0.2154 3,168 3.2885 Retort B emissions factor derived from 2007 M29 stack test.System Description: Mercury Retort Circuit C (S2.005.1)Hg 13.78 tpy 0.0000053 lbs/hr 0.0136 2,574 3.1960 Retort C emissions factor derived from 2007 M29 stack test.System Description: Mercury Retort Circuit D (S2.005.2)Hg 14.54 tpy 0.00001 lbs/hr 0.0281 2,814 3.0420 Retort D emissions factor derived from 2007 M29 stack test.System Description: Pinon Carbon Kiln (S2.021)Hg 0.00 tpy 0.0171 lbs/hr 0.0000 0 0.0000 System did not operate in 2007.System Description: Sage Mill Autoclave (Phase 1 - S2.023)Hg 1,711,457.00 tpy 0.0662 lbs/hr 523.9068 7,914 0.0000 Autoclave #1 emissions factor derived from 2007 M101A stack test.System Description: Sage Mill Autoclave (Phase 2 - S2.024)Hg 1,699,260.00 tpy 0.033 lbs/hr 252.2520 7,644 0.0000 Autoclave #2 emissions factor derived from 2007 M101A stack test.System Description: Electro-winning Cells (six cells ducted to common stack)Hg Not reported sol tons/yr 0.00157 lbs/hr 13.7532 8,760 0.0000 Electro-winning Cells emissions factor derived from 2007 M29 stack test.System Description: Juniper Mill Pregnant & Barren (P/B) TanksHg Not reported sol tons/yr 0.0109 lbs/hr 95.4840 8,760 0.0000 P/B Tanks emissions factor derived from 2007 M29 stack test.System Description: Pinon Mill Pregnant Solution TankHg Not reported sol tons/yr 0.000136 lbs/hr 1.1914 8,760 0.0000 See attached emissions calculation.System Description: Pinon Mill Barren Solution TankHg Not reported sol tons/yr 0.000136 lbs/hr 1.1914 8,760 0.0000 See attached emissions calculation.System Description: Laboratory Sample Prep. Room, Fire Assay Room, Wet Lab Room, Slurry Prep. Room, LECO Room, InstrumentationRoom, Met Lab Room & Autoclave RoomHg3.9471 0.0000 Potential to emit (PTE), not actual - see De Minimis Designation Tech. Rev.434.3715 8.9100 CY 2006 Co-product: 17,820.00 lbs/yr990.1148 13.2160 CY 2007 Co-product: 26,432.00 lbs/yr.Nevada Bureau of Air Pollution ControlCalendar Year 2007 Actual Production/Emission Reporting Form Addendum for Mercury EmissionsSource: Cumulative NMCP Data SubmittalsCY 2006 Facility Total:CY 2007 Facility Total:Source: Queenstake Resources USA, Inc - Jerritt Canyon Mine: AP1041-0778System Description: West Roaster Process (System 40 - S2.036 & PF1.213)Hg 468,581.00 tpy 0.1775 lbs/hr 1,274.4500 7,180 0.4900 Roaster emissions factor derived from average of 2007 M29 stack tests.System Description: East Roaster Process (System 42 - S2.041 & PF1.214)Hg 507,084.00 tpy 0.071 lbs/hr 496.2900 6,990 0.5300 Roaster emissions factor derived from average of 2007 M29 stack tests.System Description: Carbon Bed Venturi Scrubber (System 49 - Carbon Kiln - S2.041 & System 51 - Retort - S2.051)Scrubber emissions factor derived from 2006 OHM stack test.Mercury co-product accounted for under roasters.System Description: Ore Dryer (System 35 - S2.026)Hg 967,727.00 tpy 0.0039 lbs/hr 19.6287 5,033 0.0000 Ore Dryer emissions factor derived from average of 2007 M29 stack tests.System Description: Refining Process Induction Furnace (System 50 - S2.050)Induction Furn. emissions factor derived from avg. of 2007 M29 stack tests.Mercury co-product accounted for under roasters.System Description: Laboratory Units Including Large Ore Drying Ovens (5 Units) and Electro-winning CellsHg2.1363 0.0000 Potential to emit (PTE), not actual - see De Minimis Designation Tech. Rev.293.9245 2.9600 CY 2006 Co-product: 5,920.00 lbs/yr.1,966.3934 1.0200 CY 2007 Co-product: 2,040.00 lbs/yr.Source: Newmont Mining Corporation - Gold Quarry: AP1041-0793System Description: ROTP Dry-Grinding Static Separator (System 42 - S2.120 - S2.0124)Hg 3,234,037.00 tpy 0.000732 lbs/hr 5.4776 7,483 0.0000 Static Seperator emissions factor derived from 2007 M29 stack test.System Description: ROTP Ore Preheaters (System 43 - S1.125 - S2.130)Hg 3,154,578.00 tpy 0.003163 lbs/hr 23.8047 7,526 0.0000 Ore Preheater's emissions factor derived from 2007 M29 stack test.System Description: ROTP Ore Roasters (System 44 - S2.131 - S2.156)Hg 3,154,578.00 tpy 0.000333 lbs/hr 2.5062 7,526 1.3000 Ore Roaster's factor derived from 2007 M29 stack test.System Description: ROTP North Calcine Quench Circuit (System 47 -S2.158 & S2.159)Hg 1,450,875.00 tpy 0.005148 lbs/hr 38.7438 7,526 0.0000 North Quench Circuit emissions factor derived from 2007 M29 stack test.System Description: ROTP South Calcine Quench Circuit (System 51 - S2.160 & S2.161)Hg 1,703,703.00 tpy 0.00563 lbs/hr 41.9210 7,446 0.0000 South Quench Circuit emissions factor derived from 2007 M29 stack test.System Description: AARL Carbon Kiln #2 Scrubber Stack (System 73 - S2.058 & S2.059)Hg 6,537.30 tpy 0.035088 lbs/hr 227.0544 6,471 0.0100 Kiln Scrubber Stack emissions factor derived from 2007 M29 stack test.System Description: AARL Carbon Kiln #2 Combustion Stack (System 73 - S2.058 & S2.059)Hg 36,722.60 MMbtu/yr 0.001253 lbs/hr 8.1082 6,471 0.0000 Kiln Comb. Stack emissions factor derived from 2007 M29 stack test.System Description: Zadra Carbon Kiln #1 Scrubber Stack (System 72 - S2.056 & S2.057)Hg 6,758.30 tpy 0.006165 lbs/hr 41.5891 6,746 0.0200 Kiln Scrubber Stack emissions factor derived from 2007 M29 stack test.System Description: Zadra Carbon Kiln #1 Combustion Stack (System 72 - S2.056 & S2.057)Hg 43,993.80 MMbtu/yr 0.000405 lbs/hr 2.7321 6,746 0.0000 Kiln Comb. Stack emissions factor derived from 2007 M29 stack test.System Description: Refinery Mercury Retort Circuit (System 77 - S2.041 - S2.046)Hg 62.00 tpy 0.0015365 lbs/hr 4.9414 3,216 2.1100 Retort emissions factor derived from 2007 M29 stack test.See Note0.012195 lbs/hrSee Note0.158437 lbs/hr 138.157135.7314 2,930Hg 12.00 tpyHg 12.00872tpyCY 2006 Facility Total:CY 2007 Facility Total:System Description: Refinery Induction & Pour Furnaces (System 78 - S2.047 - S2.049)Hg 91.40 tpy 0.141178 lbs/hr 85.3986 605 0.0000 Induction Furnace emissions factor derived from 2007 M29 stack test.System Description: AARL Carbon Stripping (Pregnant) TanksHg 15,244.00 tpy 0.001995 lbs/hr 17.4762 8,760 0.0000 Carbon Strip Tanks emissions factor derived from 2007 M29 stack test.System Description: Refinery Barren Tank & Electro-winning CellsHg 48,319,979.00 gal/yr 0.000361 lbs/hr 2.7691 7,671 0.0000 Electro-winning Cells emissions factor derived from 2007 M29 stack test.System Description: Assay Laboratory, Met Laboratory & Integrated LaboratoryHg1.8980 0.0000 Potential to emit (PTE), not actual - see De Minimis Designation Tech. Rev.310.6937 2.7200 CY 2006 Co-product: 5,440.00 lbs/yr.504.4204 6.1600 CY 2007 Co-product: 6,880.00 lbs/yr.System Description: Refinery Furnaces 1 & 2 (S2.035 & S2.036)Hg Not reported Not reported 0.00478 lbs/hr 3.9791 832 0.0000 Furnaces 1 & 2 emissions factor derived from 2007 M29 stack test.System Description: Retort A (S2.037)Hg Not reported Not reported 0.0000987 lbs/hr 0.2532 2,565 0.0000 Retort emissions factor derived from 2007 M29 stack test.System Description: Retort B (S2.038)Hg Not reported Not reported 0.00000684 lbs/hr 0.0134 1,959 0.0000 Retort emissions factor derived from 2007 M29 stack test.17.1801 0.0000 CY 2006 Co-product: 0 lbs/yr.4.2457 0.0000 CY 2007 Co-product: 0 lbs/yr.Source: Barrick, Bald Mountain Mine - Huntington Valley: AP1041-1362System Description: Carbon Reactivation KilnHg 344.50 tpy 0.000017 lbs/hr 0.0720 4,237 0.0000 Carbon Kiln emissions factor derived from 2007 M29 stack test.System Description: Electrowinning CellsHg 78,074.00 tpy 0.00614 lbs/hr 46.4368 7,563 0.0000 Electro-winning Cells emissions factor derived from 2007 M29 stack test.System Description: Retort FurnaceHg 8.09 tpy 0.000024 lbs/hr 0.0292 1,218 2.2750 Retort emissions factor derived from 2007 M29 stack test.System Description: Bullion FurnaceHg 5.48 tpy 0.0374 lbs/hr 7.7512 207 0.0000 Bullion Furnace emissions factor derived from 2007 M29 stack test.System Description: Assay LaboratoryHg3.1246 0.0000 Potential to emit (PTE), not actual - see De Minimis Designation Tech. Rev.204.3025 2.9400 CY 2006 Co-product: 5,880.00 lbs/yr.57.4138 2.2750 CY 2007 Co-product: 4,550.00 lbs/yr.Source: Newmont Mining Corporation - Midas Operations: AP1041-0766.01CY 2007 Facility Total:CY 2006 Facility Total:CY 2006 Facility Total:CY 2007 Facility Total:CY 2006 Facility Total:CY 2007 Facility Total:Source: Kennecott Rawhide Mining Company - Denton-Rawhide Mine: AP1041-1116.02System Description: Carbon Regeneration Kiln (S2.001)Hg 356.88 tpy 0.00001685 lbs/hr 0.1432 8,497 0.0000 Carbon Kiln emissions factor derived from 2007 M29 stack test.System Description: Electro-winning CircuitHg Not reported tpy 0.00001437 lbs,hr 0.0448 3,120 0.0000 Electro-winning Cells emissions factor derived from 2007 M29 stack test.System Description: System 1 - Mercury Retort (S2.002)Hg 18.54 tpy 4.74E-07 lbs/hr 0.0012 2,513 0.0276 Retort emissions factor derived from 2007 M29 stack test.System Description: System 2 - Refinery Furnace Baghouse (S2.004)Hg 34.66 tpy 0.1134 lbs/hr 39.3611 347 0.0000 Refinery Furnace emissions factor derived from 2007 M29 stack test.System Description: Fire Assay LaboratoryHg0.0142 0.0000 Potential to emit (PTE), not actual - see De Minimis Designation Tech. Rev.351.5928 0.0621 CY 2006 Co-product: 124.20 lbs/yr.39.5645 0.0276 CY 2007 Co-product: 55.20 lbs/yr.Source: Hycroft Resources & Development, Inc. - Crofoot/Lewis Project: AP1041-0334.02System Description: Mercury Retort #1Hg0.0000 0.0000 Facility did not operate in 2007.System Description: Mercury Retort #2Hg0.0000 0.0000 Facility did not operate in 2007.System Description: Mercury Retort #3Hg0.0000 0.0000 Facility did not operate in 2007.System Description: Furnace #1Hg0.0000 0.0000 Facility did not operate in 2007.System Description: Furnace #2Hg0.0000 0.0000 Facility did not operate in 2007.System Description: Furnace #3Hg0.0000 0.0000 Facility did not operate in 2007.0.0000 0.0000 CY 2006 Co-product: 0 lbs/yr.0.0000 0.0000 CY 2007 Co-product: 0 lbs/yr.Source: Metallic Ventures, Inc.: AP1041-1202System Description: Dore FurnaceHg0.0000 0.0000 Facility did not operate in 2007.System Description: Carbon Reactivation KilnHg0.0000 0.0000 Facility did not operate in 2007.0.0000 0.0000 CY 2006 Co-product: 0 lbs/yr.0.0000 0.0000 CY 2007 Co-product: 0 lbs/yr.CY 2007 Facility Total:CY 2006 Facility Total:CY 2007 Facility Total:CY 2006 Facility Total:CY 2006 Facility Total:CY 2007 Facility Total:Source: Coeur D'Alene Mining Corporation - Coeur Rochester Mine: AP1044-0063.02System Description: Refinery FurnaceHg 172.38 tpy 0.214 lbs/hr 130.7540 611 0.0000 Refinery Furnace emissions factor derived from 2007 M29 stack test.System Description: RetortHg 172.38 tpy 0.000632 lbs/hr 4.4613 7,059 15.4000 Retort emissions factor derived from 2007 M29 stack test.System Description: Assay LaboratoryHg1.8805 0.0000 Potential to emit (PTE), not actual - see De Minimis Designation Tech. Rev.2.8872 16.1000 CY 2006 Co-product: 32,200.00 lbs/yr.137.0958 15.4000 CY 2007 Co-product: 30,800.00 lbs/yr.Source: Newmont Mining Corporation - Lone Tree Mine: AP1041-0059System Description: Autoclave (S2.004 - electrically fired)Autoclave emissions factor derived from 2006 M101A stack tests.System ceased operations in 2007, removed from oper. permit in 2008.System Description: Carbon Kiln (S2.007 - electric induction)Hg tpy lbs/hr 0.0000 0.0000 System did not operate in 2007, removed from operating permit in 2008.System Description: Electro-winning (EW) Cells (East and West)EW Cells emissions factor derived from 2007 M101A stack tests.Combined factor for both east and west cell banks was derived bydoubling the average of east cell test results to estimate west cellemissions, then adding the average of scavenger stack test results toderive a combined factor for both banks.System Description: Pregnant and Barren Solution TanksHg N/A 0.00938 lbs/hr 82.1688 8,760 0.0000 P/B Tanks emissions factor derived from 2007 M101A stack tests.System Description: Sample Room, Fire Assay Room, Wet Laboratory, LECO Laboratory, Met LaboratoryHg1.8788 0.0000 Potential to emit (PTE), not actual - see De Minimis Designation Tech. Rev.622.1013 0.0000 CY 2006 Co-product: 0 lbs/yr.148.0964 0.0000 CY 2007 Co-product: 0 lbs/yr.0.0000Hg tpy 0.00659 51.5602 7,824CY 2006 Facility Total:CY 2007 Facility Total:CY 2006 Facility Total:CY 2007 Facility Total:lbs/hrlbs/hr 12.4886 2,317 0.0000Hg 194,458.00 tpy 0.00539Source: Barrick Gold Corporation, Cortez Gold Mines: AP1041-2141 (consolidated Title V permit for Class 2 permits AP1041-1500& AP1041-0619.01)System Description: Refinery Induction Furnaces #1 & 2Hg 23.00 tpy 0.27 lbs/hr 193.0500 715 0.0300 Refinery Furnace's emissions factor derived from 2007 M101A stack test.System Description: Electric Carbon Reactivation Kiln #1 (S2.006)Hg 183.00 tpy 0.00105 lbs/hr 2.6880 2,560 0.2900 Carbon Kiln #1 emissions factor derived from 2007 M101A stack test.System Description: Electric Carbon Reactivation Kiln #2 (S2.007)Hg 155.00 tpy 0.00367 lbs/hr 7.9712 2,172 0.0000 Carbon Kiln #2 emissions factor derived from 2007 M101A stack test.System Description: Electro-winning (EW) Cells (Train #1 - 3 cells)Hg 46.00 gal/min 0.00013 lbs/hr 1.1388 8,760 0.0000 EW Cells emissions factor derived from 2007 M101A stack test.System Description: Electro-winning (EW) Cells (Train #2 - 3 cells)Hg 44.00 gal/min 0.00017 lbs/hr 1.4892 8,760 0.0000 EW Cells emissions factor derived from 2007 M101A stack test.System Description: Assay Laboratory Furnace BaghouseHg 25.00 tpy 0.000132 lbs/hr 1.0454 7,920 0.0000 Furnace emissions factor derived from 2007 M101A stack test.System Description: Assay Laboratory (Analytical Lab Building), Met Laboratory, Strip Circuit Area (Mill Building), Refinery Gold Sludge Drying OvenHg0.6639 0.0000 Potential to emit (PTE), not actual - see De Minimis Designation Tech. Rev.166.7059 0.1200 CY 2006 Co-product: 240.00 lbs/yr.208.0466 0.3200 CY 2007 Co-product: 640.00 lbs/yr. Kiln #1 value (.29) is for both kilns.Source: Florida Canyon Mining, Inc. - Florida Canyon Mine: AP1041-0106.02System Description: Mercurt Retorts (S2.003 & S2.004)Retort emissions factor derived from 2007 M29 stack testresults; throughput for retorts and electrowinning circuitsare the same.System Description: Summit Valley Electro-winning Cell A (Model #75EC18)Hg 22,100.00 lbs/yr 0.00043 lbs/hr 3.7668 8,760 0.0019 Electro-winning Cells emissions factor derived from 2007 M29 stack test.System Description: Summit Valley Electro-winning Cell B (Model #75EC18)Hg 22,100.00 lbs/yr 0.00012 lbs/hr 1.0512 8,760 0.0005 Electro-winning Cells emissions factor derived from 2007 M29 stack test.System Description: Combustion Air International Carbon Kiln (Model #WCC250DX-2)Hg 2,490.00 tpy - carbon 0.00095 lbs/hr 8.3220 8,760 0.0042 Carbon Kiln emissions factor derived from 2007 M29 stack test.System Description: Inductotherm Dore FurnaceHg 20,129.00 lbs/yr 0.0044 lbs/hr 1.2659 288 0.0006 Dore Furnace emissions factor derived from 2007 M29 stack test.System Description: Pregnant TankHg Not reported lbs/yr Not reported lbs/hr 0.0000Not reported0.0000 No emissions factor available - closed circuit.System Description: Barren TankHg Not reported lbs/yr Not reported lbs/hr 0.0000Not reported0.0000 No emissions factor available - closed circuit.System Description: Assay LaboratoryHg4.5934 0.0000 Potential to emit (PTE), not actual - see De Minimis Designation Tech. Rev.440.7382 0.2264 CY 2006 Co-product: 452.80 lbs/yr.19.0000 0.0072 CY 2007Co-product: 14.40 lbs/yr.CY 2007 Facility Total:1,141 0.0000lbs/hr 0.0007CY 2006 Facility Total:Hg 22,100.00 lbs/yr 0.0000006CY 2006 Facility Total:CY 2007 Facility Total:Source: Round Mountain Gold Corporation - Smoky Valley Common Operation: AP1041-0444.01System Description: Carbon Regeneration Kiln (System 25 - S2.121)Hg 3,020.00 tpy 0.0052 lbs/hr 45.0372 8,661 0.0000 Carbon Kiln emissions factor derived from 2007 M29 stack test.System Description: Electric Induction Furnace (System 24 - S2.130)Hg 54.90 tpy 0.0203 lbs/hr 11.6928 576 0.0000 Induction Furnace emissions factor derived from 2007 M29 stack test.System Description: Refinery Electro-winning Vent & Ovens, Assay Laboratory Ovens.Hg2.9352 0.0000 Potential to emit (PTE), not actual - see De Minimis Designation Tech. Rev.57.0585 0.0085 CY2006 Co-product: 17.00 lbs/yr.59.6652 0.0000 CY2007 Co-product: 0 lbs/yr.Source: Homestake Mining Company - Ruby Hill Project: AP1041-0713.01System Description: Electric Carbon Regeneration Kiln (S2.019)Hg 175.40 tpy 0.00128 lbs/hr 5.0893 3,976 0.0400 Carbon Kiln emissions factor derived from 2007 M101A stack test.System Description: Electric Mercury Retort (S2.022)Hg 5.00 tpy 0.0000001 lbs/hr 0.0001 891 0.3400 Retort emissions factor derived from 2007 M101A stack test.System Description: Electric Refinery Induction Furnace (S2.013)Hg 4.81 tpy 0.0432 lbs/hr 4.1472 96 0.0000 Furnace emissions factor derived from 2007 M101A stack test.System Description: Electro-winning Cells 1 & 2 (IA1.005)Hg Not reported Not reported 0.0028 lbs/hr 24.5952 8,784 0.0000 Electro-winning Cells emissions factor derived from 2007 M101A stack test.System Description: Assay LaboratoryHg1.3883 0.0000 Potential to emit (PTE), not actual - see De Minimis Designation Tech. Rev.28.7825 0.5000 CY2007 Co-product: 1,000.00 lbs/yr.35.2201 0.3800 CY2007 Co-product: 760.00 lbs/yr.Source: Marigold Mining Company - Marigold Mine: AP1041-0158.02System Description: Carbon Regeneration Kiln (Existing drum with controls installed October, 2006.)Kiln removed from service 5/10/07 prior to 2007 source testing. Sourceused 01/17/06 source test w/99.9% control efficiency to derive em. factor.System Description: Carbon Kiln (New)Hg 509.00 tpy 0.00000913 lbs/hr 0.0348 3,814 0.1053 Carbon Kiln emissions factor derived from 2007 M29 stack test.System Description: Electro-winning Circuit (3 cells)Hg Not reported tpy 0.0000166 lbs/hr 0.1454 8,760 0.0000 Electro-winning Cells emissions factor derived from 2007 M29 stack test.System Description: RetortHg 7.90 tpy 0.0000116 lbs/hr 0.0110 951 0.1398 Retort emissions factor derived from 2007 M29 stack test.System Description: Smelting Furnace (Tilting Crucible - uncontrolled)Furnace operated uncontrolled until 05/01/07.Furnace emissions factor derived from 2006 M101A stack test.Hg 212.40 tpy 0.00016 lbs/hr 0.0000CY 2007 Facility Total:2,543CY 2006 Facility Total:0.4068CY 2006 Facility Total:CY 2007 Facility Total:0.0000Hg 1.26 tpy 0.0089 lbs/hr 0.4174 47System Description: Smelting Furnace (Tilting Crucible - controlled)Hg 4.34 tpy 0.000229 lbs/hr 0.0447 195 0.0000 Furnace emissions factor derived from 2007 M29 stack test.System Description: Pregnant & Barren (P/B) TanksHg Not reported tpy 0.0000166 lbs/hr 0.1454 8,760 0.0000 P/B Tanks emissions factor derived from 2007 M29 stack tests.System Description: Assay LaboratoryHg4.0198 0.0000 Potential to emit (PTE), not actual - see De Minimis Designation Tech. Rev.908.0610 0.1675 CY 2006 Co-product: 335.00 lbs/yr.5.2255 0.2450 CY 2007 Co-product: 490.00 lbs/yr.Source: Borealis Mining Company: AP1041-2125System Description: No SubmittalHg0.0000 0.0000 Facility did not operate in 2007.0.0000 0.0000 CY 2006 Co-product: 0 lbs/yr.0.0000 0.0000 CY 2007 Co-product: 0 lbs/yr.Source: Barrick Turquoise Ridge, Inc. - Getchell Mine: AP1041-0292.01System Description: Assay/Met LaboratoryHg4.9660 0.0000 Potential to emit (PTE), not actual - see De Minimis Designation Tech. Rev.10.6752 0.0000 CY 2006 Co-product: 0 lbs/yr.4.9660 0.0000 CY 2007 Co-product: 0 lbs/yr.Source: Newmont Mining Corporation - Phoenix Mine: AP1041-0220.02System Description: Electric Carbon Regeneration Kiln (S2.002)Hg 6,601.00 tpy 0.0000134 lbs/hr 0.0905 6,754 0.0000 Carbon Kiln emissions factor derived from 2007 M29 stack test.System Description: Retort (S2.014)Hg 26.63 tpy 2.43E-07 lbs/hr 0.0004 1,442 0.0000 Retort emissions factor derived from 2007 M29 stack test.System Description: Pregnant & Barren Tanks Solution Vent SystemHg 0.0000107 lbs/hr 0.0937 8,760 0.0000 Potential to emit (PTE), not actual - see De Minimis Designation Tech. Rev.System Description: Electro-winning Cells (4 cells operated in 2 banks)Hg 0.0000312 lbs/hr 0.2733 8,760 0.0000 Potential to emit (PTE), not actual - see De Minimis Designation Tech. Rev.2.3061 0.0000 CY 2006 Co-product: 0 lbs/yr.0.4579 0.0000 CY 2007 Co-product: 0 lbs/yr.Source: Golden Phoenix Minerals, Inc.: AP1041-0694.01System Description: Dore FurnaceHg0.0000 0.0000 Facility did not operate in 2007, permit allowed to expire 02/24/08.System Description: Wet ScrubberHg0.0000 0.0000 Facility did not operate in 2007, permit allowed to expire 02/24/08.System Description: Electro-winning CellHg0.0000 0.0000 Facility did not operate in 2007, permit allowed to expire 02/24/08.System Description: Electro-winning CellHg0.0000 0.0000 Facility did not operate in 2007, permit allowed to expire 02/24/08.System Description: Sludge DryerHg0.0000 0.0000 Facility did not operate in 2007, permit allowed to expire 02/24/08.0.0000 0.0000 CY 2006 Co-product: 0 lbs/yr.0.0000 0.0000 CY 2007 Co-product: 0 lbs/yr.CY 2006 Facility Total:CY 2007 Facility Total:CY 2006 Facility Total:CY 2007 Facility Total:CY 2006 Facility Total:CY 2006 Facility Total:CY 2007 Facility Total:CY 2007 Facility Total:CY 2007 Facility Total:CY 2006 Facility Total:Source: Barrick Goldstrick Mines, Inc.: AP1041-0739.01System Description: Roasters #1 & #2 (System 18 - S2.209)Hg 5,553,326.00 tpy0.0567 lbs/hr447.8733 7,899 56.0300 Roaster emissions factor derived from avg. of 2007 M29 stack tests.System Description: Carbon Kiln #2 Drum (System 61 - S2.004.1)Hg 8,348.00 tpy 0.0214 lbs/hr 147.3176 6,884 0.4900 Kiln emissions factor derived from avg. of 2007 & Feb. 08 M29 stack tests.System Description: Autoclave #1 (System 66 - S2.015)Hg 843,578.00 tpy 0.00112 lbs/hr 8.8838 7,932 0.0000 Autoclave #1 emissions factor derived from 2007 M29 stack tests.System Description: Autoclaves #2 & #3 (System 66 - S2.016 & S2.017)Hg 2,244,412.00 tpy 0.000741 lbs/hr 6.2900 8,489 0.0000 Autoclaves #2 & 3 emissions factor derived from 2007 M29 stack test.System Description: Autoclave #4 (System 66 - S2.018)Hg 1,129,705.00 tpy 0.000181 lbs/hr 1.4860 8,210 0.0000 Autoclave #4 emissions factor derived from 2007 M29 stack test.System Description: Autoclaves #5 & #6 (System 66 - S2.019 & S2.020)Hg 2,214,877.00 tpy 0.00137 lbs/hr 11.0038 8,032 0.0000 Autoclaves #5 & 6 emissions factor derived from 2007 M29 stack test.System Description: Mercury Retorts #1 (System 67 - S2.009)Hg Not reported tpy 0.0043 lbs/hr 8.8967 2,069 0.0000 R1 emissions factor derived from avg. of 2007 & Feb. 08 M29 stack tests.System Description: Mercury Retorts #2 (System 67 - S2.010)Hg Not reported tpy 0.0004 lbs/hr 0.9728 2,432 0.0000 R2 emissions factor derived from avg. of 2007 & Feb. 08 M29 stack tests.System Description: Mercury Retorts #3 (System 67 - S2.011)Hg Not reported tpy 0.0035 lbs/hr 6.6920 1,912 0.0000 R3 emissions factor derived from avg. of 2007 & Feb. 08 M29 stack tests.System Description: Mercury Retorts #1 - #3 (System 67 - S2.009 - S2.011 Cumulative Co-product)Hg2.1100 Cumulative co-product for all three mercury retorts.System Description: West & East Melting Furnaces & Electrowinning Cells Combined Operation (System 68 - S2.013 & S2.014, vented through common carbon filter)Hg 85.00 tpy 0.00711 lbs/hr 4.4615 628 0.0000 Furnaces/EW Cells combined ems. factor derived from M29 stack test.System Description: Electrowinning Cells onlyHg Not reported tpy 0.00271 lbs/hr 19.1123 7,053 0.0000 Electro-winning Cells emissions factor derived from M29 stack test.System Description: Mill #1 Air Pre-Heater and Dry Grinding Process (System 15 - S2.204 & S2.205.01 - S2.205.12)Hg 2,621,171.00 tpy 0.00175 lbs/hr 13.8950 7,940 0.0000 Mill #1 emissions factor derived from Oct. 22, 2007 M29 stack test.Hg 2,484,238.00 tpy 0.00125 lbs/hr 9.8175 7,854 0.0000 Mill #2 emissions factor derived from Oct. 23, 2007 M29 stack test.System Description: Analytical Laboratory Assay Facility (System 70 - S2.051)Hg Not reported tpy 0.002 lbs/hr 17.5200 8,760 0.0000 Assay Laboratory emissions factor derived from 2007 M29 stack test.System Description: Assay, Mill, Mill Met, Autoclave, Autoclave Met and Roaster Pumphouse Laboratories, Strip Circuit Area andOre Fines Fee System.Hg4.4366 0.0000 Potential to emit (PTE), not actual - see De Minimis Designation Tech. Rev.616.7650 98.5500 CY 2006 Co-product: 197,100.00 lbs/yr.708.6590 58.6300 CY 2007 Co-product: 117,260.00 lbs/yr.System Description: Mill #2 Air Pre-Heater and Dry Grinding Process (System 16 - S2.206 & S2.207.01 - S2.207.12)CY 2006 Facility Total:CY 2007 Facility Total:Source: The Plum Mining Company, LLC - Billy The Kid Mine: AP1041-0936System Description: Induction Furnace - System to be removed from site.Hg0.0000 0.0000 System did not operate in 2007.0.0000 0.0000 CY 2006 Co-product: 0 lbs/yr.0.0000 0.0000 CY 2007 Co-product: 0 lbs/yr.Source: Royal Standard Minerals, Inc. - Manhattan Mine: AP1041-1457System Description: Dore Smelting FurnaceHg4.1040 0.0000 Potential to emit (PTE), not actual - see De Minimis Designation Tech. Rev.0.0000 0.0000 CY 2006 Co-product: 0 lbs/yr.4.1040 0.0000 CY 2007 Co-product: 0 lbs/yr.CY 2007 process emissions were largely derived using one consistentFRM testing methodology (Method 29) with scattered M101A and OHMProcess Emissions Co-Product results used in lieu of M29 due to test schedule conflicts/logistics issues.lbs/yr tpy Testing protocals were reviewed prior to test commencement and all finalreport submittals were reviewed to ensure reporting accuracy.4,892.6890 97.6808 Co-product: 195,361.60 lbs/yrCY 2006 process emissions and co-product values were acceptedProcess Emissions Co-Product "as submitted" due to variability in testing methodology, emissionlbs/yr tpy calculation methods and/or the lack of current FRM test results.4,468.1500 133.2600 Co-product: 266,520 lbs/yrCY 2007 Cumulative TotalsCY 2007 Facility Total:CY 2006 Facility Total:CY 2007 Facility Total:CY 2006 Facility Total:CY 2006 Cumulative Totals