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# Jipangu International Florida Canyon Mining, Inc. A subsidiary of Jipangu International Inc. 

# RECEIVED NOV 0 1 2006 October 31, 2006 ENV\RQNMENi~L PROTECTION
via Certified Mail
Mr. Rob Banford Nevada Division ofEnvironmentalProtection Bureau ofAir Pollution Control 901 South Stewart Street, Suite4001 Carson City,Nevada 89701-5249 i~ :-...... Environmental Protection 

### Nnv0 1 2006

E'APC /f."""-
Re: FloridaCanyon Mine Mercury Questionnaire Addendum Dear Mr. Bamford: Florida Canyon Mining Inc. (FCMI), has prepared the enclosed Addendum to the Florida Canyon Mine Mercury Questionnaire receivedby the Bureau ofAir Pollution Control March 21, 2006. The Addendum consists of new annexes for the assay laboratory, pregnant tank, and barren tame Please append the new annexes to the original questionnaire. FCMC regrets the inadvertent omission of the assay laboratory, pregnant tank, and barren tank from the original mercury questionnaire response. Should you have any questions or require additional information, please do not hesitate to contact either Mr. Clay Postlethwaite of Enviroscientists, Inc. at (775) 826-8822orme athe address on the letterheadabove or call me at 775/538-7300 ext 175. Sincerely, 

# I~. J2:~- 

# ~B::-~ Environmental Manager 

### JB:cp enclosures cc: Mr.C.Postlethwaite, Enviroscientists, Inc.,Reno,NY(without enclosures)

1 Printed10/31/061:32PM1.

2.

3. QUESTIONAIRE ADDENDUM ANNEX 7. OTHER THERMAL PROCESS UNITS Please provide an identification of other thermal process units, including a process description and the mechanism by which mercury emissions are released. (Note: if facility has more than 1 "other thermal process" process, copy this Annex 7 and complete a separate copyfor each such unit.)
a. Description: Assav Laboratorv

Includes 2 hotplates. 2 atomic adsorotion analytical instruments. 2 fire assay furnaces. 1 cupellation furnace. and fourdrying ovens. An estimate ofthe actual mercury airemissionsreleased from such unit andthe basis of suchestimate, in accordancewiththe following hierarchy ofdata:



# . Direct testing and measurement.



## . Based on engineering calculations that take into account the average mercury content of the ore processed, the amount of ore processed and the potential for mercury releases from the specific processes utilized to recover gold.

Estimated mercury emissions from unit 

### = pounds for 2004 Basis of estimate:

Circlethe codenumbers forthetype ofairpollution control device andthe type offume capture systemused: APC device ID no.: Fume capture system: 0 None 1 Side-draft or canopy hood 2 Close-fitting hood or direct process vent 0 1 2 No device is used Fabric filter Wet scrubber4. ExitExhaustVent (or Stack) Parameters (forgaseous streams): There are multiple stacks height: 

# - diameter: ft ft flow rate: acfm temperature: EF 5. Describe any workpractices or othermeasures thatprevent emissions from this operation: None

6. Have air emissiontests been conducted on theseretort operations? 0 1 No Yes [Enclose summary measurement data, including data on mercury speciation, if available, the test methods used, information on actual production or processing rates and on process conditions at the time the measurements were made, and a statement that any APC devices (if present) were operating normally during the test, or if not, what the abnormal operating conditions were.] 7. Additional comments and information:1.



### 2.

3. ANNEX 7. OTHER THERMAL PROCESS UNITS Please provide an identification of other thermal process units, including a process description and the mechanism by which mercury emissions are released. (Note: iffacUity has more than 1 "other thermal process" process, copy this Annex 7 and complete a separate copyfor each such unit.)
a. Description: Pregnant SolutionTank

An estimate ofthe actual mercury airemissionsreleased from such unit andthe basis of suchestimate, in accordancewith the following hierarchy ofdata:



## . Direct testing and measurement.



# . Based on engineering calculations that take into account the average mercury content of the ore processed, the amount of ore processed and the potential for mercury releases from the specific processes utilized to recover gold.

Estimated mercury emissions from unit 

### = unknown 2004 pounds for Basis of estimate:

Circle the code numbers forthe type ofairpollution control device andthe type offume capture systemused: APC device ID no.: Fume capture system: 0 None 1 Side-draft or canopy hood 2 Close-fitting hood or direct process vent

~ A..1...

--- 0 1 2 't No device is used Fabric filter Wet scrubber 1'",..1-.",... ",r1co"'..~+~~~ n~~+4.

5.



### 6.

7. Exit ExhaustVent (or Stack) Parameters (forgaseous streams): height: 25 ft diameter: 0.33 ft flow rate: Unknown acfm temperature: 110 EF (estimated) Describe any workpractices or othermeasures thatpreventemissions fromthis operation: None

Have air emissiontests been conducted on theseretort operations? 0 1 No Yes [Enclose summary measurement data, including data on mercury speciation, if available, the test methods used, information on actual production or processing rates and on process conditions at the time the measurements were made, and a statement that any APC devices (if present) were operating normally during the test, or if not, what the abnormal operating conditions were.] Additional comments and information:1. ANNEX 7. OTHER THERMAL PROCESS UNITS Please provide an identification of other thermal process units, including a process description and the mechanism by which mercury emissions are released. (Note: iffacility has more than 1 "other thermal process" process, copy this Annex 7 and complete a separate copyfor each such unit.)
a. Description: Barren SolutionTank

suchestimate, in accordancewiththe following hierarchy ofdata:

3. 

# . Direct testing and measurement.



# . Based on engineering calculations that take into account the average mercury content of the ore processed, the amount of ore processed and the potential for mercury releases from the specific processes utilized to recover gold.

Estimated mercury emissions from unit = unknown 2004 pounds for Basis of estimate:

Circle the code numbers forthe type ofairpollution control device andthe type offume capture systemused: APC device ID no.: Fume capture system: 0 None 1 Side-draft or canopy hood 2 Close-fitting hood or direct process vent 3 Other: 0 1 2 3 .f. No device is used Fabric filter Wet scrubber Carbon adsorption unit Ot1-.o...4. ExitExhaust Vent (or Stack)Parameters (for gaseous streams): height: 25 ft diameter: 0.33 ft flow rate: Unknown acfm temperature: 110 EF (estimated) 5. Describe any workpractices or other measuresthatprevent emissions fromthis operation: None



### 6. Have air emissiontests been conductedon these retortoperations? 0 1 No Yes [Enclose summary measurement data, including data on mercury speciation, if available, the test methods used, information on actual production or processing rates and on process conditions at the time the measurements were made, and a statement that any APC devices (if present) were operating normally during the test, or if not, what the abnormal operating conditions were.] 7. Additional comments and information: