From:       Rob Bamford <rbamford@ndep.nv.gov>                                             

                                                                                             

  To:         Chuck French/RTP/USEPA/US@EPA                                                  

                                                                                             

  Cc:         Mike Elges <melges@ndep.nv.gov>, Colleen Cripps

<CRIPPS@ndep.nv.gov>, larry kennedy                      

              <lakenned@ndep.nv.gov>                                                         

                                                                                             

  Date:       01/25/2010 05:17 PM                                                            

                                                                                             

  Subject:                                                                                   

Hello Chuck,

I attached a spreadsheet data dump from MEMS in Excel format.  Of note, the

fluids had the most limited throughput data, most likely because several

facilities do not have flow gauges to record production flow (throughput).  These

are indicated by "NR"‐‐not reported.  We might be able to go back to those

companies and get estimates, perhaps based on pump capacities, etc.

We look forward to discussing the data further with you.

I response to your previous question about the carbon graph against actual

emissions, the red line (actual emissions) is facility‐wide actual emissions

reported for 2008, excluding De Minimis units.

Regards,

Rob Bamford                          Phone: 775‐687‐9330                   

Supervisor, Nevada Mercury Control   Cell: 775‐315‐3655                    

Program                              Fax: 775‐687‐6396                     

Nevada Division of Environmental     E‐mail: rbamford@ndep.nv.gov          

Protection                                                                 

Bureau of Air Quality Planning                                             

           
Facility Unit Type Unit . Controls (process order) Date .1 Material Type Test Thru (TPH) Units Test Avg (lbs/hour) Annual Hours Annual Tons Unit 

Autoclaves

Twin Creeks Autoclave S2.023 Venturi Scrubber 8/18/2008 Ore 2.42E+02 ton/hr 8.47E-02 8256.0 1844352.0 Twin Creeks Autoclave S2.024 Venturi Scrubber 8/21/2008 Ore 2.39E+02 ton/hr 3.30E-02 8250.0 1884498.0 

Carbon Kilns

Marigold Carbon Kiln S2.013A Wet scrubber & Carbon filter 11/7/2007 Carbon 3.00E-01 ton/hr 9.13E-06 3814.0 509.0 Bald Mountain Carbon Kiln S2.001a off-Gas cooler, carbon adsorption 10/22/2007 Carbon 5.70E-02 ton/hr 1.63E-05 4237.0 344.5 Denton-Rawhide Mine Carbon Kiln S2.001 condenser, carbon filter 12/17/2007 Carbon 4.20E-02 ton/hr 1.68E-05 8497.0 356.9 Twin Creeks Carbon Kiln S2.002 hypochlorite scrubber 7/30/2007 Carbon 6.10E-01 ton/hr 9.66E-04 7551.0 5591.0 Florida Canyon Carbon Kiln s2.007 None 7/17/2007 Activated Carbon 2.33E-01 ton/hr 9.50E-04 8760.0 2490.0 Gold Quarry Carbon Kiln S2.056 wet scrubber, carbon filter 10/19/2007 processed carbon 1.00E+00 ton/hr 6.17E-03 6746.0 6758.3 Round Mountain Carbon Kiln S2.121 Carbon Filter 6/28/2007 spent carbon 3.30E-01 ton/hr 5.20E-03 8661.0 3020.0 Goldstrike Carbon Kiln S2.004.1 venturi wet scrubber, condensation tower, carbon 7/28/2007 spent carbon 2.60E+00 ton/hr 3.58E-02 6884.0 8348.0 

Gold Quarry Carbon Kiln S2.058 wet scrubber, carbon filter 10/26/2007 processed carbon 1.00E+00 ton/hr 3.51E-02 6471.0 6537.3 

Denton-Rawhide Mine Carbon Kiln S2.001 condenser, carbon filter 12/3/2008 Carbon 4.20E-02 ton/hr 7.82E-06 7870.0 31408.0 Cortez Pipeline Carbon Kiln S2.008 Wet Venturi Scrubber, Sulf. Carbon Filtration 10/24/2008 Carbon 5.40E-01 ton/hr 2.13E-05 1748.0 976.5 Round Mountain Carbon Kiln S2.121 Carbon Adsorption/ Scrubber 11/11/2008 Carbon 4.20E-01 ton/hr 3.61E-05 7848.0 3963.0 Marigold Carbon Kiln S2.013A wet scrubber, carbon adsorption 6/12/2008 Carbon 3.50E-01 ton/hr 1.30E-05 5732.0 740.0 Cortez Pipeline Carbon Kiln S2.007 Wet Venturi Scrubber, Sulf. Carbon Filtration 12/30/2008 Carbon 4.60E-01 ton/hr 1.07E-04 1896.0 1012.4 Gold Quarry Carbon Kiln S2.056 wet scrubber, carbon filter 7/25/2008 Carbon 1.00E+00 ton/hr 5.43E-04 7527.0 7467.0 Bald Mountain Carbon Kiln off-Gas cooler, carbon adsorption tank 8/5/2008 Activated Carbon 1.09E-01 ton/hr 9.63E-05 1690.0 138.1 Gold Quarry Carbon Kiln S2.056 wet scrubber, carbon filter 7/26/2008 Carbon 1.00E+00 ton/hr 1.25E-03 7527.0 7467.0 Gold Quarry Carbon Kiln S2.058 wet scrubber, carbon filter 6/24/2008 Carbon 1.00E+00 ton/hr 5.92E-03 5920.0 6085.5 Florida Canyon Carbon Kiln S2.007 None 10/30/2008 Activated Carbon 2.12E-01 ton/hr 1.57E-02 6195.0 2883.0 Florida Canyon Carbon Kiln S2.007 None 7/11/2008 Activated Carbon 2.00E-01 ton/hr 3.24E-02 6195.0 2883.0 Twin Creeks Carbon Kiln S2.002 hypochlorite scrubber 8/11/2008 Carbon 5.73E-01 ton/hr 1.87E-01 7542.0 5582.0 

Fluids

Bald Mountain Electro Winning System IA1.024 spray cooling chamber 10/25/2007 precious metal concentrate 4.68E+03 gal/hr 6.14E-03 756.3 78074.0 Florida Canyon Electro Winning System tu4.002 None 7/11/2007 precious metal concentrate 2.64E+03 gal/hr 4.26E-04 8760.0 NR Florida Canyon Electro Winning System tu4.003 None 7/12/2007 precious metal concentrate 2.70E+03 gal/hr 1.20E-04 8760.0 NR Twin Creeks Pregnant and Barren Tanks Wet Scrubber 8/1/2007 precious metal bearing solution 9.83E+03 gal/hr 1.08E-02 8760.0 NR Twin Creeks Electro Winning System None 8/2/2007 precious metal bearing solution 9.57E+03 gal/hr 1.57E-03 8760.0 NR Denton-Rawhide Mine Electro Winning System IA1.007 condenser, carbon filter 12/17/2007 Precious Metal bearing solution 1.95E+03 gal/hr 1.44E-05 3120.0 NR Lone Tree Pregnant and Barren Tanks None 12/28/2007 Pregnant & Barren Solution 2.80E+03 gal/hr 9.38E-03 8760.0 NR Lone Tree Electro Winning System None 12/29/2007 Precious metal bearing solution 2.76E+03 gal/hr 1.56E-03 7824.0 NR Lone Tree Electro Winning System None 12/29/2007 precious metal bearing solution 2.76E+03 gal/hr 3.49E-03 7824.0 NR Bald Mountain Heated Barren Solution Tank 8/26/2008 2.46E+03 gal/hr 5.67E-06 5924.0 53022.0 Cortez Pipeline Electro Winning System IA1.097 Carbon Filter 10/28/2008 4.22E+03 gal/hr 2.17E-05 8760.0 3000.0 Cortez Pipeline Electro Winning System IA1.096 Carbon Filter 10/27/2008 3.78E+03 gal/hr 6.75E-05 8760.0 3000.0 Florida Canyon Electro Winning System TU4.003 None 7/10/2008 precious metal concentrate 2.79E+03 gal/hr 6.70E-05 8760.0 2400.0 Gold Quarry Electro Winning System Carbon Adsorption/ Scrubber 9/16/2008 precious metal concentrate 9.95E+03 gal/hr 5.28E-04 7826.0 6056.2 Lone Tree Electro Winning System None 9/24/2008 precious metal bearing solution 3.12E+03 gal/hr 2.05E-03 2424.0 3120.0 Lone Tree Electro Winning System None 9/24/2008 precious metal bearing solution 1.56E+03 gal/hr 1.40E-03 2424.0 1560.0 Bald Mountain Electro Winning System IA1.024 spray cooling chamber 12/2/2008 precious metal concentrate 2.23E+03 gal/hr 2.77E-02 5924.0 53022.0 Florida Canyon Electro Winning System TU4.002 None 7/9/2008 precious metal concentrate 2.79E+03 gal/hr 8.60E-04 8760.0 2400.0 Lone Tree Electro Winning System None 9/25/2008 precious metal bearing solution 1.56E+03 gal/hr 2.38E-03 2424.0 1560.0 Bald Mountain Electro Winning System spray cooling chamber 8/28/2008 precious metal solution 2.46E+03 gal/hr 6.30E-02 5924.0 53022.0 Lone Tree Pregnant and Barren Tanks None 9/23/2008 precious metal bearing solution 2.56E+03 gal/hr 1.81E-02 2824.0 311.5 tpy caTwin Creeks Pregnant and Barren Tanks Wet Scrubber 8/1/2008 precious metal bearing solution 9.48E+03 gal/hr 8.30E-03 8784.0 NR Twin Creeks Electro Winning System None 11/12/2008 Precious Metal Precipitate 3.10E+00 gal/hr 9.90E-03 8784.0 NR Denton-Rawhide Mine Electro Winning System IA1.007 condenser, carbon filter 12/4/2008 Precious Metal Precipitate 1.36E+03 gal/hr 1.07E-05 5667.0 NR 

Pour Furnace

Midas Melt Furnace S2.046 Baghouse & wet scrubber 11/14/2007 Gold Precipitate 8.96E-01 ton/hr 4.78E-03 832.0 143.5 Twin Creeks Melt Furnace S2.001 Baghouse 8/10/2007 precious metal laden material 1.81E-01 ton/hr 4.66E-03 1170.0 123.8 Goldstrike Melt Furnace S2.013 & S2.014 cyclone, baghouse, carbon filter 7/19/2007 gold sludge and flux 2.45E-01 ton/hr 7.10E-03 628.0 85.0 Florida Canyon Melt Furnace s2.005 Baghouse 7/10/2007 precious metal concentrate 3.85E-01 unknown 4.40E-03 288.0 10.1 Round Mountain Melt Furnace S2.130 Carbon Adsorption, Scrubber 6/25/2007 refinery sludge 3.88E-02 ton/hr 2.03E-02 576.0 54.9 Gold Quarry Melt Furnace S2.047-S2.049 baghouse, vacuum dust collection, carbon filter pa 10/22/2007 precious metal concentrate and flux 2.73E-01 ton/hr 1.41E-01 605.0 91.4 

Denton-Rawhide Mine Melt Furnace S2.004 Baghouse 12/19/2007 precious metal concentrate 2.78E-01 ton/hr 1.13E-01 347.0 34.7 

Bald Mountain Melt Furnace S2.003a Baghouse 10/24/2007 precious metal concentrate 2.43E-02 ton/hr 3.74E-02 207.0 5.5 Jerritt Canyon Melt Furnace S.2050 Baghouse 7/24/2007 gold precipitate containing flux 1.30E-01 ton/hr 1.58E-01 872.0 12.0 Round Mountain Melt Furnace S2.130 Carbon Adsorption/ Scrubber 11/10/2008 precious metal material 9.10E-02 ton/hr 8.89E-05 556.0 46.3 Florida Canyon Melt Furnace S2.005 Baghouse 7/8/2008 precious metal concentrate 2.11E-01 unknown 1.00E-03 316.0 8.9 Gold Quarry Melt Furnace S2.047-S2.049 baghouse, carbon filter 9/16/2008 precious metal concentrate and flux 1.50E-01 ton/hr 7.19E-03 615.0 84.9 
Coeur Rochester Melt Furnace S2.003 Wet ESP 5/12/2008 Gold Precipitate 1.82E+00 ton/hr 2.51E-02 300.0 112.1 

Twin Creeks Melt Furnace S2.001.1 Baghouse 7/31/2008 Ore 1.71E-01 ton/hr 7.37E-03 394.0 35.8 Twin Creeks Melt Furnace S2.001 Baghouse 7/28/2008 Ore 8.85E-02 ton/hr 8.20E-03 382.0 36.8 Midas Melt Furnace S2.036 baghouse, wet scrubber 7/16/2008 Precious Metal Precipitate 1.06E+00 ton/hr 3.09E-02 544.0 110.4 Midas Melt Furnace S2.035 baghouse, wet scrubber 7/17/2008 Precious Metal Precipitate 9.11E-01 ton/hr 4.10E-02 356.0 69.5 Denton-Rawhide Mine Melt Furnace S2.004 Baghouse 12/3/2008 Precious Metal Precipitate 5.76E-01 ton/hr 1.57E-01 82.0 7.8 Cortez Pipeline Melt Furnace S2.002 Baghouse 10/22/2008 precious metal laden material 1.08E-01 ton/hr 1.17E-01 600.0 23.7 

Retorts

Phoenix Retort S2.014 condenser, carbon filter 11/7/2007 precious metal sludge 2.21E-01 ton/hr 2.43E-07 1442.0 26.6 Florida Canyon Retort s2.004 Condenser, carbon bed 7/16/2007 precious metal sludge 2.41E-01 ton/hr 6.00E-07 1141.0 11.1 Midas Retort S2.048 Wet scrubber, Hg condenser, carbon filter 11/12/2007 Gold Precipitate 7.60E-01 ton/hr 6.85E-06 1959.0 58.6 Twin Creeks Retort S2.005.1 condenser, carbon adsorption 8/8/2007 precious metal laden material 1.60E-01 ton/hr 5.33E-06 2574.0 13.8 Twin Creeks Retort S2.005.2 condenser, carbon adsorption 8/6/2007 precious metal laden material 1.35E-01 ton/hr 9.77E-06 2814.0 14.5 Midas Retort S2.047 Wet scrubber, Hg condenser, carbon filter 11/13/2007 Gold Precipitate 9.48E-01 ton/hr 9.86E-05 2565.0 77.4 Bald Mountain Retort S2.002a Hg condenser, carbon adsorption 10/23/2007 precious metal concentrate 5.27E-03 ton/hr 2.37E-05 1218.0 8.1 Twin Creeks Retort S2.005 condenser, carbon adsorption 8/6/2007 precious metal laden material 1.50E-01 ton/hr 6.83E-05 3168.0 16.9 Twin Creeks Retort S2.004 condenser, carbon adsorption 8/8/2007 precious metal laden material 1.40E-01 ton/hr 1.20E-04 3519.0 19.6 Gold Quarry Retort S2.041-S2.046 condensers, carbon canisters, vacuum dust collec 10/22/2007 precious metal bearing material 3.75E-01 ton/hr 1.04E-03 3216.0 62.0 Gold Quarry Retort S2.041-S2.046 condensers, carbon canisters, vacuum dust collec 10/24/2007 precious metal bearing material 2.25E-01 ton/hr 2.03E-03 3216.0 62.0 Coeur Rochester Retort S2.004 & S2.005 hg Condenser, Carbon Column 12/3/2007 Precious Metal Precipitate 4.54E+00 ton/hr 5.30E-04 611.0 172.4 Florida Canyon Retort S2.003 condenser, carbon bed 7/7/2008 Precious Metal Precipitate 2.87E-01 ton/hr 1.60E-05 116.2 9.8 Twin Creeks Retort S2.005.2 Condenser/ Carbon Adsorption 11/11/2008 Precious Metal Precipitate 1.84E-01 ton/hr 6.57E-06 2958.0 16.5 Florida Canyon Retort S2.004 condenser, carbon bed 7/14/2008 Precious Metal Precipitate 2.12E-01 ton/hr 2.00E-06 992.4 1.5 Bald Mountain Retort condenser, carbon filter 8/26/2008 precious metal sludge 1.87E-01 ton/hr 1.73E-05 940.0 5.0 Twin Creeks Retort S2.004 Carbon Filter 7/22/2008 Gold Precipitate 1.18E-01 ton/hr 2.80E-05 3375.0 20.4 Twin Creeks Retort S2.005 Condenser, Carbon Adsorption 7/22/2008 Gold Precipitate 1.26E-01 ton/hr 2.80E-05 2778.0 16.0 Coeur Rochester Retort S2.004.1 & S2.005.1 Condenser and two Carbon Columns 10/21/2008 Precious Metal Precipitate 5.08E+00 ton/hr 1.93E-04 3792.0 112.1 Midas Retort S2.048 wet scrubber, Hg condenser, carbon column 9/26/2008 Precious Metal Precipitate 4.90E-02 ton/hr 3.51E-04 2957.0 89.7 Twin Creeks Retort S2.005.1 Condenser, Carbon Adsorption 7/23/2008 Gold Precipitate 7.70E-02 ton/hr 7.23E-05 2400.0 12.8 Midas Retort S2.047 Hg condenser, carbon column 7/15/2008 Precious Metal Precipitate 1.11E+00 ton/hr 1.96E-03 3524.0 127.4 Midas Retort S2.048 Hg Condenser, Carbon Column 7/15/2008 Precious Metal Precipitate 9.24E-01 ton/hr 2.93E-03 2957.0 89.7 

Roasters

Gold Quarry Roaster S2.133 & S2.145 wash tower, heat exchanger, wet ESP, mercury re 10/16/2007 Ore 5.10E+02 ton/hr 3.33E-04 7526.0 3154578.0 

Goldstrike Roaster S2.209 Gas Quenching, Wet Gas Scrubber, Wet ESP, Hg 10/25/2007 Ore 7.11E+02 ton/hr 2.13E-02 7899.0 5553326.0 Goldstrike Roaster S2.209 off gas quenching, wet gas condenser, venturi dus 7/31/2007 Ore 7.74E+02 ton/hr 8.91E-02 7899.0 5553326.0 

Jerritt Canyon Roaster S2.041 Venturi, SO2, Hg & Tail Gas Scrubbers 7/26/2007 ore, coal, and hydrocarbon contam 8.47E+01 ton/hr 7.10E-02 6990.0 507084.0 

Jerritt Canyon Roaster S2.036 Venturi, SO2, Hg & Tail Gas Scrubbers 7/25/2007 ore, coal, an hydrocarbon contamin 8.43E+01 ton/hr 1.77E-01 7180.0 468581.0 Gold Quarry Roaster S2.133 & S2.145 wash tower, heat exchanger, wet ESP, mercury re 6/27/2008 Ore 4.74E+02 ton/hr 4.88E-04 7973.0 3336226.0 

Jerritt Canyon Roaster S2.036 Venturi, SO2, Hg & Tail Gas Scrubbers 6/13/2008 ore, coal, and hydrocarbon contam 9.60E+01 ton/hr 7.58E-03 2754.0 176670.0 

Jerritt Canyon Roaster S2.041 Venturi, SO2, Hg & Tail Gas Scrubbers 6/12/2008 ore, coal, and hydrocarbon contam 9.60E+01 ton/hr 2.83E-02 2208.0 158125.0 

Roaster Static Sep.

Gold Quarry Static Separator Baghouse 10/17/2007 Ore 5.16E+02 ton/hr 7.32E-04 7483.0 3234037.0 Gold Quarry Static Separator S2.120-S2.124 Baghouse 6/27/2008 Ore 4.74E+02 ton/hr 1.14E-03 7868.0 3349657.0 

Roaster Pre Heaters

Goldstrike Pre-Heater S2.204 Baghouse 3/14/2007 Ore 4.09E+02 ton/hr 9.93E-04 7940.0 2621171.0 Goldstrike Pre-Heater S2.206 Baghouse 10/23/2007 Ore 3.36E+02 ton/hr 1.07E-03 7854.0 2484238.0 Goldstrike Pre-Heater S2.206 Baghouse 10/23/2007 Ore 3.36E+02 ton/hr 1.47E-03 7854.0 2484238.0 Goldstrike Pre-Heater S2.204 Baghouse 10/22/2007 Ore 3.42E+02 ton/hr 1.73E-03 7940.0 2621171.0 Goldstrike Pre-Heater S2.204 Baghouse 10/22/2007 Ore 3.42E+02 ton/hr 1.80E-03 7940.0 2621171.0 Gold Quarry Pre-Heater S2.126 & S2.129 baghouse, SO2 scrubber 10/16/2007 Ore 5.10E+02 ton/hr 3.16E-03 7526.0 3154578.0 Goldstrike Pre-Heater S2.206 Baghouse 8/4/2007 Ore 3.79E+02 ton/hr 1.00E-02 7854.0 2484238.0 Goldstrike Pre-Heater S2.206 Baghouse 3/12/2007 Ore 3.42E+02 ton/hr 1.50E-02 7854.0 2484238.0 Goldstrike Pre-Heater S2.204 Baghouse 8/3/2007 Ore 3.82E+02 ton/hr 1.54E-01 7940.0 2621171.0 Gold Quarry Pre-Heater S2.126 & S2.129 Baghouse, SO2 scrubber 6/27/2008 Ore 4.74E+02 ton/hr 2.87E-02 7973.0 3336226.0 

Roaster Quench 

Gold Quarry Quench Circuit S2.160-S2.161 Wet Scrubber 10/16/2007 calcine 5.10E+02 ton/hr 5.63E-03 7446.0 1703703.0 Gold Quarry Quench Circuit S2.158-S2.159 Wet Scrubber 10/16/2007 calcine 5.10E+02 ton/hr 5.15E-03 7526.0 1450875.0 Gold Quarry Quench Circuit S2.158-S2.159 Wet Scrubber 7/8/2008 calcine 5.01E+02 ton/hr 5.67E-03 7973.0 1521049.0 Gold Quarry QuenchCircuit S2.160-S2.161 Wet Scrubber 7/8/2008 calcine 5.01E+02 ton/hr 6.85E-03 7862.0 1815176.0