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

                                                                                             

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

                                                                                             

  Date:       02/02/2010 04:32 PM                                                            

                                                                                             

  Subject:    Data updata and Marigold                                                       

                                                                                             

Hello Chuck,

I attached 2 files:  a data comparison update table and the summary sheets from

the 2009 Marigold test.  Let us know if you need anything else.

‐Rob

                                                                                           

                              

  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 Date Unit Code avg lb/hr Operating 

hr/yr source Notes Je's Comments

Bald Mountain Aug-08 Carbon Kiln 9.6E-05 1,690 dep lb/hr not agree with AER

Bald Mountain Aug-08 Carbon Kiln 7.8E-05 1,690 rti confirmed lb/hr in AER

Bald Mountain Oct-07 Electrowinning 6.1E-03 756 dep op hr not agree with AER

Bald Mountain Nov-07 Electrowinning 6.1E-03 7,563 rti confirmed op hrs in AER

Coeur Rochester Dec-07 Retort 6.3E-04 7,059 rti need re-stated results for 3 runs

Coeur Rochester Dec-07 Retort 5.3E-04 611 dep DEP used re-stated results for 3 runs

Coeur Rochester Oct-08 Retort 1.9E-04 3,792 dep lb/hr not agree with AER

Coeur Rochester Oct-08 Retort 1.5E-04 3,792 rti confirmed lb/hr in AER

Florida Canyon Jul-08 Retort 2.0E-06 116 rti confirmed op hrs in AER

Florida Canyon Jul-08 Retort 2.0E-06 992 dep op hr not agree with AER

Florida Canyon Jul-08 Retort 1.6E-05 992 rti confirmed op hrs in AER

Florida Canyon Jul-08 Retort 1.6E-05 116 dep op hr not agree with AER

Gold Quarry Jul-08 Carbon Kiln 6.1E-04 7,527 rti neither agree with AER

Gold Quarry Jul-08 Carbon Kiln 1.3E-03 7,527 dep neither agree with AER

Round Mountain Nov-08 Carbon Kiln 3.6E-05 7,848 dep 2008 Rnd Mtn not in AER

Round Mountain Nov-08 Carbon Kiln 1.2E-05 8,760 rti 2008 Rnd Mtn not in AER

Round Mountain Nov-08 Melt Furnace 8.9E-05 556 dep 2008 Rnd Mtn not in AER

Round Mountain Nov-08 Melt Furnace 8.9E-05 618 rti 2008 Rnd Mtn not in AER

Twin Creeks Aug-07 Melt Furnace 4.7E-03 409 rti confirmed op hrs in AER

Twin Creeks Aug-07 Melt Furnace 4.7E-03 1,170 dep op hr not agree with AER

Facility Date Unit Code avg lb/hr

Operating 

hr/yr source Notes

Cortez Oct-08 Preg Tank 3.2E-04 8,760 rti confirmed in AER

found in MEMS and 110.3% 

isokinetic at run #1

Denton-Rawhide Dec-07 Retort 4.75E-07 2,513 rti confirmed in AER found in MEMS, correct OP

Denton-Rawhide Dec-08 Retort 4.87E-07 472 rti confirmed in AER found in MEMS, correct OP

Gold Quarry Oct-07 Electrowinning 3.6E-04 7,671 rti confirmed in AER found in MEMS, correct OP

Gold Quarry Oct-07 Preg Tank 2.0E-03 8,760 rti confirmed in AER Not found in MEMS

Gold Quarry Sep-08 Retort 5.2E-04 3,072 rti confirmed in AER Invalid due to no CFC

Goldstrike Jul-07 Electrowinning 2.7E-03 7,053 rti confirmed in AER Not found in MEMS

Goldstrike Apr-08 Electrowinning 4.2E-03 7,202 rti confirmed in AER Not found in MEMS

Goldstrike Apr-08 Melt Furnace/EW 2.5E-02 478 rti confirmed in AER Found in MEMS, but invalid test

Round Mountain Jun-07 Electrowinning 2.0E-04 8,760 rti not in AER found in MEMS, correct OP

Ruby Hill May-07 Carbon Kiln 1.3E-03 3,976 rti confirmed in AER found in MEMS, correct OP

Ruby Hill May-07 Electrowinning 2.8E-03 8,784 rti confirmed in AER found in MEMS, correct OP

Ruby Hill May-07 Melt Furnace 4.3E-02 96 rti confirmed in AER found in MEMS, correct OP

Ruby Hill May-07 Retort 1.0E-07 891 rti confirmed in AER found in MEMS, correct OP

Twin Creeks Jun-07 Autoclave 4.3E-02 7,914 rti not in AER

Twin Creeks Jun-07 Autoclave 5.3E-02 7,914 rti not in AER

Twin Creeks Jun-07 Autoclave 6.6E-02 7,914 rti not in AER

Twin Creeks Jun-07 Autoclave 6.6E-02 7,914 rti not in AER

Twin Creeks Jun-07 Autoclave 3.3E-02 7,644 rti not in AER

Twin Creeks Jun-07 Autoclave 2.5E-02 7,644 rti not in AER

Twin Creeks Aug-07 Carbon Kiln 1.4E-03 7,551 rti not in AER

Twin Creeks Jun-07 Melt Furnace 5.5E-02 409 rti not in AER

Twin Creeks Jun-07 Melt Furnace 1.0E-01 409 rti not in AER

Twin Creeks Jun-07 Melt Furnace 4.3E-02 422 rti not in AER

Twin Creeks Jun-07 Melt Furnace 5.2E-02 422 rti not in AER

Twin Creeks Jun-07 Retort 7.7E-05 2,642 rti not in AER

Twin Creeks Jun-07 Retort 5.8E-05 2,899 rti not in AER

Twin Creeks Jun-07 Retort 2.1E-05 3,253 rti not in AER

Twin Creeks Jun-07 Retort 2.7E-05 3,553 rti not in AER

Twin Creeks Jul-07 Roaster 2.3E-02 6,990 rti not in AER

Twin Creeks Jul-07 Roaster 7.1E-02 6,990 rti not in AER

Twin Creeks Jul-07 Roaster 1.9E-02 7,180 rti not in AER

Twin Creeks Jul-07 Roaster 1.8E-01 7,180 rti not in AER

Correct value: 831 (hrs/yr)

DATA FOR RTI AND DEP DIFFERENT

DATA IN RTI DATABASE AND NOT IN DEP'S

DATA IN DEP'S DATABASE AND NOT IN RTI'S

NDEP Error

NDEP Error

RTI needs to use our data

Run #4 not included in NDEP

Correct value: 116 (hrs/yr)

Correct value: 992 (hrs/yr)

RTI: 6.17E-3, NDEP: 1.3E-3, Correct 

value: 1.03E-3 (lb/hr)

Correct value: 1.2E-5 (lb/hr), 8592 

(hrs/yr)

Correct value: 617 (hrs/yr)
Facility Date Unit Code avg lb/hr

Operating 

hr/yr source Notes

Goldstrike Mar-07 RoasterPre-Heater 1.5E-02 7,854 dep need 3 run data

Goldstrike Mar-07 RoasterPre-Heater 9.9E-04 7,940 dep need 3 run data

Goldstrike Oct-07 RoasterPre-Heater 1.7E-03 7,940 dep need 3 run data

Goldstrike Oct-07 RoasterPre-Heater 1.8E-03 7,940 dep need 3 run data

Goldstrike Oct-07 RoasterPre-Heater 1.1E-03 7,854 dep need 3 run data

Goldstrike Oct-07 RoasterPre-Heater 1.5E-03 7,854 dep need 3 run data

Midas Jul-08 Retort 2.9E-03 2,957 dep

need 3 run data (I get the same avg if 

Run 1 was invalidated - it appears to 

be an outlier)

Twin Creeks Aug-08 Carbon Kiln 1.9E-01 7,542 dep need 3 run data