Pollutant ID Production/Heat Production Units Emissions Emissions HG Annual Hours HG Co-Product Notes

Rate (eg. tons/yr) Factor Factor Units Emissions (lbs/yr) Operated (tons/yr)

Source: Newmont Mining Corporation - Twin Creeks Mine: AQOP AP1041-0723.01; NMCP AP1041-2218 System Description: Juniper Mill Electric Induction Furnace (S2.001 - 1 of 2, only one operates at a time)

Hg 36.80 tpy 0.0083 lbs/hr 3.1689 382 0.0000 Induction Furnace emissions factor derived from 20

System Description: Juniper Mill Electric Induction Furnace (S2.001.1 - 1 of 2, only one operates at a time)

Hg 35.80 tpy 0.0074 lbs/hr 2.9163 394 0.0000 Induction Furnace emissions factor derived from 20

System Description: Juniper Mill Carbon Kiln (S2.002)

Carbon Kiln emissions factor derived from July 200- June 20), August 2008 M29 test (June 21 - Nov. 5test (Nov. 6 - Dec. 31). Three test values were nenscrubber system malfunction from June 21, 2008 th2008. See revised submittal dated July 16, 2009.

System Description: Mercury Retort Circuit A (S2.004)

Hg 20.43 tpy 0.000028 lbs/hr 0.0945 3,375 2.5900 Retort A emissions factor derived from 2008 M29 s

System Description: Mercury Retort Circuit B (S2.005)

Hg 15.99 tpy 0.000028 lbs/hr 0.0778 2,778 2.0500 Retort B emissions factor derived from 2008 M29 s

System Description: Mercury Retort Circuit C (S2.005.1)

Hg 12.83 tpy 0.000073 lbs/hr 0.1752 2,400 1.6900 Retort C emissions factor derived from 2008 M29 s

System Description: Mercury Retort Circuit D (S2.005.2)

Hg 16.45 tpy 0.0000066 lbs/hr 0.0195 2,958 2.4700 Retort D emissions factor derived from 2008 M29 s

System Description: Pinon Carbon Kiln (S2.021)

Hg 0.00 tpy 0 lbs/hr 0.0000 0 0.0000 System did not operate in 2008.

System Description: Sage Mill Autoclave (Phase 1 - S2.023)

Hg 1,844,351.00 tpy 0.083 lbs/hr 685.2480 8,256 0.0000 Autoclave #1 emissions factor derived from 2008 M

System Description: Sage Mill Autoclave (Phase 2 - S2.024)

Hg 1,884,498.00 tpy 0.033 lbs/hr 272.2500 8,250 0.0000 Autoclave #2 emissions factor derived from 2008 M

System Description: Electro-winning Cells (six cells ducted to common stack)

Hg N/A gals/yr 0.01 lbs/hr 87.8400 8,784 0.0000 Electro-winning Cells emissions factor derived from 

System Description: Juniper Mill Pregnant & Barren Strip Solution Tanks

Hg N/A gals/yr 0.0083 lbs/hr 72.9072 8,784 0.0000 Preg./Barren Tanks emissions factor derived from 2

System Description: Pinon Mill Pregnant Strip Solution Tank

Hg N/A gals/yr 0.000136 lbs/hr 1.1946 8,784 0.0000 Emissions estimate - refer to attached calculation.

System Description: Pinon Mill Barren Strip Solution Tank

Hg N/A gals/yr 0.000136 lbs/hr 1.1946 8,784 0.0000 Emissions estimate - refer to attached calculation.

System Description: Laboratory Sample Prep. Room, Fire Assay Room, Wet Lab Room, Slurry Prep. Room, LECO Room, Instrumentation Room, Met Lab Room & Autoclave 

Hg 3.9471 0.0000 Potential to emit (PTE), not actual - see De Minimis 

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.

1,679.1864 8.8000 CY 2008 Co-product: 17,600.00 lbs/yr.

CY 2006 Facility Total:CY 2007 Facility Total:CY 2008 Facility Total:

Nevada Division of Environmental Protection

Calendar Year 2008 Actual Production/Emission Reporting Form Addendum for Mercury Emissions

Cumulative NMCP Mercury Addendum Data Submittals 

Bureau of Air Quality Planning

Hg 5,582.00 tpy 0.07268 lbs/hr 548.1526 7,542 0.0000
Source: Queenstake Resources USA, Inc - Jerritt Canyon Mine: AQOP AP1041-0778; NMCP AP1041-2217 

System Description: West Roaster Process (System 40 - S2.036 & PF1.213)

Hg 176,670.00 tpy 0.0524 lbs/hr 144.3096 2,754 0.3500 Roaster emissions factor derived from average of 2

System Description: West Roaster Quench Stack

Hg tpy lbs/hr No 2008 testing completed.

System Description: East Roaster Process (System 42 - S2.041 & PF1.214)

Hg 158,125.00 tpy 0.0333 lbs/hr 73.5264 2,208 0.3600 Roaster emissions factor derived from average of 2

System Description: East Roaster Quench Stack

Hg tpy lbs/hr No 2008 testing completed.

System Description: Carbon Bed Venturi Scrubber (System 49 - Carbon Kiln - S2.041 & System 51 - Retort - S2.051)

0.0000 0.0000 System did not operate in 2008, no testing complet

System Description: Ore Dryer (System 35 - S2.026)

Hg 334,037.00 tpy lbs/hr 1,868 0.0000 No 2008 testing completed.

System Description: Refining Process Induction Furnace (System 50 - S2.050)

No 2008 testing completed. Mercury co-product acroasters.

System Description: Laboratory Units Including Large Ore Drying Ovens (5 Units) and Electro-winning Cells

Hg 2.1363 0.0000 Potential to emit (PTE), not actual - see De Minimis 

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.

219.9723 0.7100 CY 2008 Co-product: 1,420.00 lbs/yr.

Source: Newmont Mining Corporation - Gold Quarry: AQOP AP1041-0793; NMCP AP1041-2219 System Description: ROTP Dry-Grinding Static Separator (System 42 - S2.120 - S2.0124)

Hg 3,349,657.00 tpy 0.001141 lbs/hr 8.9774 7,868 0.0000 Static Seperator emissions factor derived from 200

System Description: ROTP Ore Preheaters (System 43 - S1.125 - S2.130)

Hg 3,336,226.00 tpy 0.02867 lbs/hr 228.5859 7,973 0.0000 Ore Preheater's emissions factor derived from 2008 

System Description: ROTP Ore Roasters (System 44 - S2.131 - S2.156)

Hg 3,336,226.00 tpy 0.000488 lbs/hr 3.8908 7,973 5.2000 Ore Roaster's factor derived from 2008 M29 stack 

System Description: ROTP North Calcine Quench Circuit (System 47 -S2.158 & S2.159)

Hg 1,521,049.00 tpy 0.005671 lbs/hr 45.2149 7,973 0.0000 North Quench Circuit emissions factor derived from 

System Description: ROTP South Calcine Quench Circuit (System 51 - S2.160 & S2.161)

Hg 1,815,176.00 tpy 0.006853 lbs/hr 53.8783 7,862 0.0000 South Quench Circuit emissions factor derived from 

System Description: AARL Carbon Kiln #2 Scrubber Stack (System 73 - S2.058 & S2.059)

Hg 6,085.50 tpy 0.0059213 lbs/hr 35.0541 5,920 0.0300 Kiln Scrubber Stack emissions factor derived from 

System Description: AARL Carbon Kiln #2 Combustion Stack (System 73 - S2.058 & S2.059)

Hg 30,411.90 MMbtu/yr 0.000252 lbs/hr 1.4918 5,920 0.0000 Kiln Comb. Stack emissions factor derived from 20

System Description: Zadra Carbon Kiln #1 Scrubber Stack (System 72 - S2.056 & S2.057)

Hg 7,467.00 tpy 0.0005433 lbs/hr 4.0894 7,527 0.0200 Kiln Scrubber Stack emissions factor derived from 

System Description: Zadra Carbon Kiln #1 Combustion Stack (System 72 - S2.056 & S2.057)

Hg 61,497.80 MMbtu/yr 0.000481 lbs/hr 3.6205 7,527 0.0000 Kiln Comb. Stack emissions factor derived from 20

System Description: Refinery Mercury Retort Circuit (System 77 - S2.041 - S2.046)

Hg 62.10 tpy 0.0005193 lbs/hr 1.5953 3,072 1.5200 Retort emissions factor derived from 2008 M29 sta

System Description: Refinery Induction & Pour Furnaces (System 78 - S2.047 - S2.049)

Hg 84.90 tpy 0.0071887 lbs/hr 4.4232 615 0.0000 Induction Furnace emissions factor derived from 20

System Description: AARL Carbon Stripping (Pregnant) Tanks

Hg 15,341.90 tpy 0.00291 lbs/hr 25.5614 8,784 0.0000 Carbon Strip Tanks emissions factor derived from 2

System Description: Refinery Barren Tank & Electro-winning Cells

Hg 47,395,947.00 gals/yr 0.000528 lbs/hr 4.1322 7,826 0.0000 Electro-winning Cells emissions factor derived from 

System Description: Assay Laboratory, Met Laboratory & Integrated Laboratory

Hg 1.8984 0.0000 Potential to emit (PTE), not actual - see De Minimis 

310.6937 2.7200 CY 2006 Co-product: 5,440.00 lbs/yr.504.4204 6.1600 CY 2007 Co-product: 12,320.00 lbs/yr.422.4137 6.7700 CY 2008 Co-product: 13,540.00 lbs/yr.

CY 2006 Facility Total:CY 2007 Facility Total:

lbs/hr

CY 2006 Facility Total:CY 2007 Facility Total:

Hg tpy 229 0.0000

CY 2008 Facility Total:CY 2008 Facility Total:
System Description: Refinery Furnace #1 (S2.035)

Hg 69.49 tpy 0.041 lbs/hr 14.5837 356 0.0000 Furnace #1 emissions factor derived from 2008 M2

System Description: Refinery Furnace #2 (S2.036)

Hg 110.41 tpy 0.031 lbs/hr 16.8485 544 0.0000 Furnace #2 emissions factor derived from 2008 M2

System Description: Retort A (S2.037)

Hg 127.37 tpy 0.002 lbs/hr 7.0480 3,524 0.0000 Retort A emissions factor derived from 2008 M29 s

System Description: Retort B (S2.038)

Hg 89.73 tpy 0.000351 lbs/hr 1.0379 2,957 0.0000 Retort B emissions factor derived from 2008 M29 s

System Description: Assay Laboratory

Hg lbs/hr 1.8239 0.0000 Potential to emit (PTE), not actual - see De Minimis 

17.1801 0.0000 CY 2006 Co-product: 0.00 lbs/yr.

4.2457 0.0000 CY 2007 Co-product: 0.00 lbs/yr.

41.3420 0.0000 CY 2008 Co-product: 0.00 lbs/yr.

Source: Barrick, Bald Mountain Mine - Huntington Valley: AQOP AP1041-1362; NMCP AP1041-2246 System Description: Propane Fired Carbon Regeneration Kiln (System 1 - S2.001)

Hg 138.09 tpy 0.000078 lbs/hr 0.1318 1,690 0.0000 Carbon Kiln emissions factor derived from 2008 M2

System Description: Electro-winning Circuit (IA1.024)

Hg 53,022.00 tpy 0.0455 lbs/hr 269.5420 5,924 0.0000 Electro-winning Cells emissions factor derived from 

System Description: Propane Fired Retort Furnace (System 2 - S2.002)

Hg 5.00 tpy 0.000017 lbs/hr 0.0160 940 2.6000 Retort emissions factor derived from 2008 M29 sta

System Description: Propane Fired Bullion Furnace (System 3 - S2.003)

Bullion Furnace emissions factor derived from 2008 test run invalid, sample only captured 31 dscf vs. 661 minutes vs. 120 minutes. Em. factor reduced fr

System Description: Barren Strip Solution Tank

Hg 53,022.00 tpy 0.000006 lbs/hr 0.0355 5,924 0.0000 Barren Strip Sol. Tank emissions factor derived fro

System Description: Assay Laboratory

Hg 3.1246 0.0000 Potential to emit (PTE), not actual - see De Minimis 

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.

278.3220 2.6000 CY 2008 Co-product: 5,200.00 lbs/yr.

Source: Kennecott Rawhide Mining Company - Denton-Rawhide Mine: AQOP AP1041-1116.02; NMCP AP1041-2245System Description: Carbon Regeneration Kiln (System 1 - S2.001)

Hg 314.80 tpy 0.00000782 lbs/hr 0.0615 7,870 0.0000 Carbon Kiln emissions factor derived from 2008 M2

System Description: Electro-winning Circuit (IA3.007)

Hg gals/yr 0.00001073 lbs/hr 0.0608 5,667 0.0000 Electro-winning Cells emissions factor derived from 

System Description: System 1 - Mercury Retort (System 2 - S2.002)

Hg 9.24 tpy 4.87E-07 lbs/hr 0.0002 472 0.0262 Retort emissions factor derived from 2008 M29 sta

System Description: System 2 - Refinery Induction Furnace (System 4 - S2.004)

Hg 7.79 tpy 0.1574 lbs/hr 12.9540 82 0.0000 Refinery Furnace emissions factor derived from 20

System Description: Fire Assay Laboratory

Hg 0.0142 0.0000 Potential to emit (PTE), not actual - see De Minimis 

351.5928 0.0621 CY 2006 Co-product: 124.20 lbs/yr.

39.5645 0.0276 CY 2007 Co-product: 55.20 lbs/yr.13.0908 0.0262 CY 2008 Co-product: 52.40 lbs/yr.

CY 2008 Facility Total:CY 2006 Facility Total:CY 2007 Facility Total:CY 2006 Facility Total:CY 2007 Facility Total:

lbs/hr 5.4720

CY 2008 Facility Total:

Source: Newmont Mining Corporation - Midas Operations: AQOP AP1041-0766.01; NMCP AP1041-2253 

CY 2006 Facility Total:CY 2008 Facility Total:CY 2007 Facility Total:

Hg 3.00 tpy 0.038 144 0.0000
Source: Hycroft Resources & Development, Inc. - Crofoot/Lewis Project: AQOP AP1041-0334.02; NMCP AP1041-2255

System Description: Mercury Retort #1

Hg 0.0000 Facility did not operate in 2008.

System Description: Mercury Retort #2

Hg 0.0000 Facility did not operate in 2008.

System Description: Mercury Retort #3

Hg 0.0000 Facility did not operate in 2008.

System Description: Furnace #1

Hg 0.0000 Facility did not operate in 2008.

System Description: Furnace #2

Hg 0.0000 Facility did not operate in 2008.

System Description: Furnace #3

Hg 0.0000 Facility did not operate in 2008.

0.0000 0.0000 CY 2006 Co-product: 0.00 lbs/yr.0.0000 0.0000 CY 2007 Co-product: 0.00 lbs/yr.0.0000 0.0000 CY 2008 Co-product: 0.00 lbs/yr.

Source: Antler Peak Gold, Inc. (formerly Metallic Ventures, Inc).: AQOP AP1041-1202; NMCP AP1041-2248System Description: Dore Furnace, Carbon Reactivation Kiln

Facility did not operate in 2008.Potential to emit (PTE), not actual - see De Minimis 

0.0000 0.0000 CY 2006 Co-product: 0.00 lbs/yr.0.0000 0.0000 CY 2007 Co-product: 0.00 lbs/yr.0.2838 0.0000 CY 2008 Co-product: 0.00 lbs/yr.

Source: Coeur D'Alene Mining Corporation - Coeur Rochester Mine: AQOP AP1044-0063.02; NMCP AP1041-2242System Description: Refinery Furnace

Hg 112.14 tpy 0.0249 lbs/hr 7.4576 300 0.0000 Refinery Furnace emissions factor derived from 20

System Description: Retort

Hg 112.14 tpy 0.000152 lbs/hr 0.5764 3,792 15.6000 Retort emissions factor derived from 2008 M29 sta

System Description: Assay Laboratory

Hg 1.8805 0.0000 Potential to emit (PTE), not actual - see De Minimis 

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.

9.9144 15.6000 CY 2008 Co-product: 31,200.00 lbs/yr.

Source: Newmont Mining Corporation - Lone Tree Mine: AQOP AP1041-0059; NMCP AP1041-2251System Description: Electro-winning Cells (East Stack)

Hg 3,781,440.00 gals/yr 0.00238 lbs/hr 5.7691 2,424 0.0000 EW Cells emissions factor derived from 2008 stack 

System Description: Electro-winning Cells (West Stack)

Hg 3,781,440.00 gals/yr 0.0014 lbs/hr 3.3936 2,424 0.0000 EW Cells emissions factor derived from 2008 stack 

System Description: Electro-winning Cells (Scavenger Stack)

Hg 7,562,880.00 gals/yr 0.00205 lbs/hr 4.9692 2,424 0.0000 EW Cells emissions factor derived from 2008 M29 

System Description: Pregnant and Barren Solution Tanks

Hg 311.50 tpy - carbon 0.0181 lbs/hr 51.1144 2,824 0.0000 P/B Tanks emissions factor derived from 2008 M29 

System Description: Sample Room, Fire Assay Room, Wet Laboratory, LECO Laboratory, Met Laboratory

Hg 1.8788 0.0000 Potential to emit (PTE), not actual - see De Minimis 

622.1013 0.0000 CY 2006 Co-product: 0.00 lbs/yr.148.0964 0.0000 CY 2007 Co-product: 0.00 lbs/yr.

67.1251 0.0000 CY 2008 Co-product: 0.00 lbs/yr.

Hg 0.2838 0.0000

CY 2006 Facility Total:CY 2007 Facility Total:CY 2008 Facility Total:CY 2006 Facility Total:CY 2007 Facility Total:CY 2006 Facility Total:CY 2007 Facility Total:CY 2008 Facility Total:CY 2007 Facility Total:CY 2008 Facility Total:CY 2006 Facility Total:CY 2008 Facility Total:
Source: Barrick Cortez, Inc. - Cortez Hills and Pipeline Projects: AQOP AP1041-2141; NMCP AP1041-2220

System Description: Refinery Induction Furnaces #1 & 2

Hg 23.70 tpy 0.117 lbs/hr 70.2234 600 0.0000 Refinery Furnace's emissions factor derived from 2

System Description: Electric Carbon Reactivation Kiln #1 (S2.006)

Hg 976.50 tpy 0.000107 lbs/hr 0.1871 1,748 0.0000 Carbon Kiln #1 emissions factor derived from 2008 

System Description: Electric Carbon Reactivation Kiln #2 (S2.007)

Hg 1,012.40 tpy 0.0000213 lbs/hr 0.0404 1,896 0.0000 Carbon Kiln #2 emissions factor derived from 2008 

System Description: East Electro-winning Cells (IA1.096: Train #1 - 3 cells)

Hg 50.00 gals/min 0.0000675 lbs/hr 0.5929 8,784 0.0000 EW Cells emissions factor derived from 2008 M29 

System Description: West Electro-winning Cells (IA1.097: Train #2 - 3 cells)

Hg 50.00 gals/min 0.0000215 lbs/hr 0.1889 8,784 0.0000 EW Cells emissions factor derived from 2008 M29 

System Description: Assay Laboratory Furnace Baghouse

Hg 27.80 tpy 0.000134 lbs/hr 1.0613 7,920 0.0000 Furnace emissions factor derived from 2008 M29 s

System Description: Pregnant and Barren Strip Solution Tanks

Hg gals/yr 0.000315 lbs/hr 2.7670 8,784 0.0000 Furnace emissions factor derived from 2008 M29 s

System Description: Assay Laboratory (Analytical Lab Building), Met Laboratory, Strip Circuit Area (Mill Building), Refinery Gold Sludge Drying Oven

Hg 0.8029 0.0000 Potential to emit (PTE), not actual - see De Minimis 

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 

75.8638 0.0000 CY 2008 Co-product: lbs/yr.

Source: Florida Canyon Mining, Inc. - Florida Canyon Mine: AQOP AP1041-0106.02; NMCP AP1041-2256System Description: Mercurt Retorts (System 6 - S2.003)

Hg 9.792 tpy 0.000002 lbs/hr 0.0002 116.2 0.2875 Retort emissions factor derived from 2008 M29 sta

System Description: Mercurt Retorts (System 6 - S2.004)

Hg 1.4705 tpy 0.0000158 lbs/hr 0.0157 992.4 0.0000 Retort emissions factor derived from 2008 M29 sta

System Description: Summit Valley Electro-winning Cell A (Model #75EC18)

Hg 40.00 gals/min 0.00086 lbs/hr 7.5542 8,784 0.0000 Electro-winning Cells emissions factor derived from 

System Description: Summit Valley Electro-winning Cell B (Model #75EC18)

Hg 40.00 gals/min 0.000067 lbs/hr 0.5885 8,784 0.0000 Electro-winning Cells emissions factor derived from 

System Description: Combustion Air International Carbon Kiln (System 9 - S2.007)

Hg 2,883.00 tpy 0.02409 lbs/hr 149.2376 6,195 0.0000 Carbon Kiln emissions factor derived from 2008 M2

System Description: Inductotherm Dore Furnace (System 7 - S2.005)

Hg 8.89 tpy 0.00102 lbs/hr 0.3221 316 0.0000 Dore Furnace emissions factor derived from 2008 M

System Description: Pregnant Tank

Hg 8,784.00 hrs/yr lbs/hr 0.0000 8,784 0.0000 No emissions factor available - closed circuit.

System Description: Barren Tank

Hg 8,784.00 hrs/yr lbs/hr 0.0000 8,784 0.0000 No emissions factor available - closed circuit.

System Description: Assay Laboratory

Hg 4.5934 0.0000 Potential to emit (PTE), not actual - see De Minimis 

440.7382 0.2264 CY 2006 Co-product: 452.80 lbs/yr.

19.0000 0.0072 CY 2007 Co-product: 14.40 lbs/yr.

162.3117 0.2875 CY 2008 Co-product: 575.00 lbs/yr.

CY 2007 Facility Total:CY 2006 Facility Total:CY 2006 Facility Total:CY 2008 Facility Total:CY 2007 Facility Total:CY 2008 Facility Total:
Source: Round Mountain Gold Corporation - Smoky Valley Common Operation: AQOP AP1041-0444.01; NMCP AP1041-2250

System Description: Carbon Regeneration Kiln [System 25 - S2.121 (uncontrolled)]

Carbon Kiln emissions factor (uncontrolled) derived test. New controls commenced operation 02/01/08

System Description: Carbon Regeneration Kiln [System 25 - S2.121 (controlled)]

Hg 3,963.00 tpy 0.000012 lbs/hr 0.0942 7,848 0.0000 Carbon Kiln emissions factor derived from 2008 M2

System Description: Pregnant Strip Solution Tank (Shares a common stack with S2.121)

Hg 30-70 gals/min lbs/hr 0.0000 8,784 0.0000 Emissions combined with Carbon Kiln.

System Description: Barren Strip Solution Tank #1 (Shares a common stack with S2.121)

Hg 30-70 gals/min lbs/hr 0.0000 8,784 0.0000 Emissions combined with Carbon Kiln.

System Description: Barren Strip Solution Tank #2 (Shares a common stack with S2.121)

Hg 30-70 gals/min lbs/hr 0.0000 8,784 0.0000 Emissions combined with Carbon Kiln.

System Description: Electric Induction Furnace [System 24 - S2.130 (uncontrolled)]

Induction Furnace emissions factor (uncontrolled) dstack test. New controls commenced operation 02

System Description: Electric Induction Furnace [System 24 - S2.130 (controlled)]

Hg 46.32 tpy 0.0000892 lbs/hr 0.0496 556 0.0000 Induction Furnace emissions factor derived from 20

System Description: Refinery Electro-winning Vent & Ovens, Assay Laboratory Ovens.

Hg 3.0603 0.0000 Potential to emit (PTE), not actual - see De Minimis 

57.0585 0.0085 CY2006 Co-product: 17.00 lbs/yr.59.6652 0.0000 CY2007 Co-product: 0.00 lbs/yr.

8.3173 0.0000 CY2008 Co-product: 0.00 lbs/yr.

Source: Homestake Mining Company - Ruby Hill Project: AQOP AP1041-0713.01; NMCP AP1041-2252System Description: Electric Carbon Regeneration Kiln (S2.019)

Hg 180.90 tpy lbs/hr 2,510 0.0300 2008 M29 stack test deemed invalid - no cyclonic f

System Description: Electric Mercury Retort (S2.022)

Hg 3.14 tpy lbs/hr 848 0.2100 2008 M29 stack test deemed invalid - no cyclonic f

System Description: Electric Refinery Induction Furnace (S2.013)

Hg 3.63 tpy lbs/hr 75 0.0000 2008 M29 stack test deemed invalid - no cyclonic f

System Description: Electro-winning Cells 1 & 2 (IA1.005)

Hg gals/yr lbs/hr 8,784 0.0000 2008 M29 stack test deemed invalid - no cyclonic f

System Description: Pregnant and Barren Strip Solution Tanks Pregnant and Barren Strip Solution Tanks vented t

Hg gals/yr lbs/hr 8,784 0.0000 Electro-winning Cells.

System Description: Assay Laboratory

Hg 1.3883 0.0000 Potential to emit (PTE), not actual - see De Minimis 

28.7825 0.5000 CY2007 Co-product: 1,000.00 lbs/yr.35.2201 0.3800 CY2007 Co-product: 760.00 lbs/yr.

1.3883 0.2400 CY2008 Co-product: 480.00 lbs/yr.

CY 2006 Facility Total:CY 2007 Facility Total:CY 2008 Facility Total:CY 2006 Facility Total:CY 2007 Facility Total:CY 2008 Facility Total:

Hg See below tpy 0.0052 lbs/hr 3.8688 744 0.0000Hg tpy 0.0203 See below lbs/hr 1.2444 61 0.0000
Source: Marigold Mining Company - Marigold Mine: AQOP AP1041-0158.02; NMCP AP1041-2254

System Description: Carbon Kiln (System 13A - S2.013A)

Hg 740.00 tpy 0.000013 lbs/hr 0.0745 5,732 0.3600 Carbon Kiln emissions factor derived from 2008 M2

System Description: Electro-winning Circuit (3 cells)

Hg 6,281.00 hrs/yr 0.00077 lbs/hr 4.8364 6,281 0.0000 Electro-winning Cells emissions factor derived from 

System Description: Pregnant and Barren Strip Solution Tank Pregnant and Barren Strip Solution Tanks vented t

Hg 6,281.00 hrs/yr lbs/hr 0.0000 6,281 0.0000 Electro-winning Cells, therefore, emissions factor is 

System Description: Mercury Retort (System 14 - S2.014)

Hg 10.75 tpy 0.00077 lbs/hr 1.0149 1,318 0.2090 Retort emissions factor derived from 2008 M29 sta

System Description: Tilting Crucible Furnace (System 15 -S2.015)

Furnace emissions factor derived from June 2008 MOctober 2008 M29 stack test deemed invalid - no c

System Description: Assay Laboratory

Hg 4.0198 0.0000 Potential to emit (PTE), not actual - see De Minimis 

908.0610 0.1675 CY 2006 Co-product: 335.00 lbs/yr.

5.2255 0.2450 CY 2007 Co-product: 490.00 lbs/yr.

10.4883 0.5690 CY 2008 Co-product: 1,138.00 lbs/yr.

Source: Borealis Mining Company: AQOP AP1041-2125; NMCP AP1041-2228System Description: 

Hg 0.0000 0.0000 Facility did not operate in 2008.

0.0000 0.0000 CY 2006 Co-product: 0.00 lbs/yr.0.0000 0.0000 CY 2007 Co-product: 0.00 lbs/yr.0.0000 0.0000 CY 2008 Co-product: 0.00 lbs/yr.

Source: Barrick Turquoise Ridge, Inc. - Getchell Mine: AQOP AP1041-0292.01; NMCP AP1041-2249System Description: Assay/Met Laboratory

Hg 4.9462 0.0000 Potential to emit (PTE), not actual - see De Minimis 

10.6752 0.0000 CY 2006 Co-product: 0 lbs/yr.

4.9660 0.0000 CY 2007 Co-product: 0 lbs/yr.4.9462 0.0000 CY 2008 Co-product: 0 lbs/yr.

Source: Royal Standard Minerals, Inc. - Manhattan Mine: AQOP AP1041-1457; NMCP AP1041-2303System Description: Dore Smelting Furnace

Hg 4.1040 0.0000 Potential to emit (PTE), not actual - see De Minimis 

0.0000 0.0000 CY 2006 Co-product: 0.00 lbs/yr.4.1040 0.0000 CY 2007 Co-product: 0.00 lbs/yr.4.1040 0.0000 CY 2008 Co-product: 0.00 lbs/yr.

Source: Newmont Mining Corporation - Phoenix Mine: AQOP AP1041-0220.02; NMCP AP1041-2247System Description: Electric Carbon Regeneration Kiln (S2.002)

Carbon Kiln emissions factor derived from 2008 M2run deemed invalid - possible switch of test results 

System Description: Retort (S2.014)

Retort emissions factor derived from 2008 M29 stadeemed invalid - possible switch of test results at la

System Description: Pregnant & Barren Tanks Solution Vent System

Hg gals/yr lbs/hr 0.0940 0.0000 Potential to emit (PTE), not actual - see De Minimis 

System Description: Electro-winning Cells (4 cells operated in 2 banks)

Hg gals/yr lbs/hr 0.2733 0.0000 Potential to emit (PTE), not actual - see De Minimis 

2.3061 0.0000 CY 2006 Co-product: 0.00 lbs/yr.0.4579 0.0000 CY 2007 Co-product: 0.00 lbs/yr.

CY 2008 Facility Total: 0.8053 0.0000 CY 2008 Co-product: 0.00 lbs/yr.CY 2008 Facility Total:

Hg 5.79 tpy 0.0027 lbs/hr 0.5427 201 0.0000

CY 2008 Facility Total:CY 2006 Facility Total:CY 2007 Facility Total:CY 2007 Facility Total:CY 2006 Facility Total:

lbs/hr

CY 2008 Facility Total:CY 2006 Facility Total:CY 2008 Facility Total:CY 2007 Facility Total:CY 2007 Facility Total:

lbs/hr

CY 2007 Facility Total:CY 2006 Facility Total:CY 2006 Facility Total:

Hg 23.00 tpy 0.00000415Hg 2,674.00 tpy 0.000121

0.0000

0.4314 3,565 0.00000.0066 1,596
Source: Barrick Goldstrick Mines, Inc.: AQOP AP1041-0739.01; NMCP AP1041-2221

System Description: Roasters #1 & #2 (System 18 - S2.209)

2008 M29 stack test deemed invalid - no cyclonic ftraverse point determination.

System Description: Roaster Circuit #1 Quenching Process(System 19 - S2.210)

Hg 2,842,979.00 tpy lbs/hr 7,933 0.0000 2008 M29 stack test deemed invalid - no cyclonic f

System Description: Roaster Circuit #2 Quenching Process(System 19 - S2.211)

Hg 2,749,093.00 tpy lbs/hr 7,931 0.0000 2008 M29 stack test deemed invalid - no cyclonic f

System Description: Carbon Reactivation Kiln #2 (System 61 - S2.004.1)

Carbon Kiln emissions factor derived from average M29 stack tests conducted in February and April, 2

System Description: Pregnant Strip Solution Tank A (Uncontrolled)

Hg Not Reported gals/yr lbs/hr 8,136 0.0000 2008 M29 stack test deemed invalid - no cyclonic f

System Description: Pregnant Strip Solution Tank B (Uncontrolled)

Hg Not Reported gals/yr lbs/hr 8,136 0.0000 2008 M29 stack test deemed invalid - no cyclonic f

System Description: Barren Strip Solution Tank A (Uncontrolled)

Hg Not Reported gals/yr lbs/hr 8,136 0.0000 2008 M29 stack test deemed invalid - no cyclonic f

System Description: Barren Strip Solution Tank B (Uncontrolled)

Hg Not Reported gals/yr lbs/hr 8,136 0.0000 2008 M29 stack test deemed invalid - no cyclonic f

System Description: Pregnant and Barren Strip Solution Tanks A (Controlled)

Hg Not Reported gals/yr lbs/hr 648 0.0000 2008 M29 stack test deemed invalid - no cyclonic f

System Description: Pregnant and Barren Strip Solution Tanks B (Controlled)

Hg Not Reported gals/yr lbs/hr 648 0.0000 2008 M29 stack test deemed invalid - no cyclonic f

System Description: Autoclave #1 (System 66 - S2.015)

Hg 793,120.00 tpy lbs/hr 7,955 0.0000 2008 M29 stack test deemed invalid - no sampling 

System Description: Autoclaves #2 & #3 (System 66 - S2.016 & S2.017)

Hg 1,936,154.00 tpy lbs/hr 15,308 0.0000 2008 M29 stack test deemed invalid - no sampling 

System Description: Autoclave #4 (System 66 - S2.018)

Hg 1,060,379.00 tpy lbs/hr 8,170 0.0000 2008 M29 stack test deemed invalid - no sampling 

System Description: Autoclaves #5 & #6 (System 66 - S2.019 & S2.020)

Hg 2,174,549.00 tpy lbs/hr 16,244 0.0000 2008 M29 stack test deemed invalid - no sampling 

System Description: Mercury Retorts #1 (System 67 - S2.009)

Retort emissions factor derived from February, 200April and July/August, 2008 M29 stack test deemed flow check; fixed delta P; isokinetic calculation errocoefficient.

System Description: Mercury Retorts #2 (System 67 - S2.010)

Retort emissions factor derived from February, 200April and July/August, 2008 M29 stack test deemed flow check; fixed delta P; isokinetic calculation errocoefficient.

System Description: Mercury Retorts #3 (System 67 - S2.011)

Retort emissions factor derived from February, 200April and July/August, 2008 M29 stack test deemed flow check; fixed delta P; isokinetic calculation errocoefficient.

System Description: Mercury Retorts #1 - #3 (System 67 - S2.009 - S2.011 Cumulative Co-product)

Hg 2.0300 Cumulative co-product for all three mercury retorts

0.4028 2,014 See Below

lbs/hrlbs/hr 7,922

Hg Not ReportedHg Not Reported tpy 0.0002 lbs/hrHg 5,592,072.00 tpy 65.3000Hg Not Reported tpy 0.0022 lbs/hr 4.2064 1,912Hg 8,001.00 tpy 0.0154

2.6468 2,036

lbs/hr 111.9734 7,271 0.0000

See BelowSee Below

tpy 0.0013
System Description: East & West Refinery Furnaces & Electrowinning Cells Combined Operation (System 68 - S2.013 & S2.014, vented through common carbon filter)

Furnaces's/EW Cells emissions factor derived from test.

System Description: Electrowinning Cells only

Hg Not Reported gals/yr 0.0042 lbs/hr 30.2484 7,202 0.0000 EW Cells emissions factor derived from April, 2008 

System Description: Mill #1 Air Pre-Heater and Dry Grinding Process (System 15 - S2.204 & S2.205.01 - S2.205.12)

2008 M29 stack test deemed invalid - no cyclonic ftraverse point determination.2008 M29 stack test deemed invalid - no cyclonic ftraverse point determination.

System Description: Analytical Laboratory Assay Facility (System 70 - S2.051)

2008 M29 stack test deemed invalid - no cyclonic ftraverse point determination.

System Description: Assay, Mill, Mill Met, Autoclave, Autoclave Met and Roaster Pumphouse Laboratories, Strip Circuit Area and Ore Fines Fee System.

Hg 4.4367 0.0000 Potential to emit (PTE), not actual - see De Minimis 

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.166.0557 67.3300 CY 2008 Co-product: 134,660.00 lbs/yr.

CY 2008 process emissions were largely derived uFRM testing methodology (Method 29). Testing prprior to test commencement and all final report sub

Process Emissions Co-Product to ensure reporting accuracy. Some facilities had e

lbs/yr tpy or in some cases just one or more runs of a test ev

irregularities in testing protocol, poor sample handllaboratory errors.

3,165.9 102.9 Co-product: 205,865.40 lbs/yr

CY 2007 process emissions were largely derived uFRM testing methodology (Method 29) with scatter

Process Emissions Co-Product results used in lieu of M29 due to test schedule con

lbs/yr tpy Testing protocals were reviewed prior to test comm

report submittals were reviewed to ensure reporting 

4,892.7 97.7 Co-product: 195,361.60 lbs/yr 

CY 2006 process emissions and co-product values 

Process Emissions Co-Product "as submitted" due to variability in testing methodo

lbs/yr tpy calculation methods and/or the lack of current FRM 

4,468.2 133.3 Co-product: 266,520 lbs/yr

CY 2008 Cumulative TotalsCY 2006 Cumulative Totals

CY 2008 Facility Total:CY 2006 Facility Total:CY 2007 Facility Total:

System Description: Mill #2 Air Pre-Heater and Dry Grinding Process (System 16 - S2.206 & S2.207.01 - S2.207.12)

CY 2007 Cumulative Totals

Hg 86.00 tpy 0.0254 lbs/hr 12.1412 478 0.0000Hg Not Reported tpy lbs/hr 8,784 0.0000Hg

8,051

2,480,296.00 tpy

Hg 2,551,853.00 tpy lbs/hr 0.0000

lbs/hr 0.0000 7,891

Note that the total value is lower than actual industry-wide emissions due to invalidated tests or, in the case of Queenstake Resources USA, Inc., no testing completed due to scheduling difficulties resulting from the temporary NDEP ordered shutdown of the facility.