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PERMIT NO: 

# 98PB0893



# INITIAL APPROVAL

DATE ISSUED: 

# MARCH 5, 2004 

# MODIFICATION -3

ISSUED TO: 

# GCC Rio Grande, Inc.

THE SOURCE TO WHICH THIS PERMIT APPLIE S IS DESCRIBED AND LOCATED AS FOLLOWS:

Portland cement manufacturing facility (incl uding raw materials quarry), known as Rio Grande

Cement Plant , located approximately six (6) miles south-southeast of Pueblo, in Pueblo County,

Colorado.

THE SPECIFIC EQUIPMENT OR ACTIVITY SUBJECT TO THIS PERMIT INCLUDES THE

FOLLOWING:

This is a facility-wide permit covering all equipmen t / activities at this facility. Details of these equipment / activities are given in Attachment A.

THIS PERMIT IS GRANTED SUBJECT TO A LL RULES AND REGULATIONS OF THE COLORADO AIR QUALITY CONTROL COMMISSION AND THE COLORADO AIR POLLUTION PREVENTION AND CONTROL ACT C.R.S. (25-7-101 et seq ), TO THOSE GENERAL TERMS AND CONDITIONS

INCLUDED IN THIS DOCUMENT AND THE FOLLO WING SPECIFIC TERMS AND CONDITIONS:

1. Construction of this source must commence within 18 months of initial approval permit issuance date or
within 18 months of date on which such construction or activity was scheduled to commence as stated in the application. If commencement does not occur within the stated time the permit will expire on MARCH 25, 2005. This is an 18-month extension from the prev ious expiration date not considering the interim extension given by Modification-2. (See General Conditi on No. 6., Item 1.) (Reference: Regulation No. 3, Part B, IV. G. 4.)

2. If multiple provisions apply, compliance with less stri ngent provisions shall not excuse compliance with more stringent provisions.

3. Post-construction monitoring of ambient concentrations and source impacts for Particulate Matter less than 10 micrometers in aerodynamic diameter [PM 10 

### ] shall be conducted for a period of one year. Such monitoring shall be started within thirty (30) days of the startup of operations. A monitoring protocol (including the proposed locations of monitoring statio ns) shall be submitted to, and approval obtained from, the Division. Results of such monitoring shall be repo rted to the Division on a quarterly basis within thirty (30) days of the end of the quarter. Such data shall be valid as long as the activity rates do not exceed the activity rates under which such monitoring was conducted. Prior to increasing the activities, the permittee shall approach the Division to determine if additional monitoring is required.

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4. This source is subject to the odor requirements of Regulation No. 2. (State only enforceable)

5. Within one hundred and eighty days (180) after commencement of operation, compliance with the conditions contained on this permit shall be demonstrated to the Division. It is the permittee's responsibility to self certify compliance with the conditions. Failure to demonstrate compliance within 180 days may result in revocation of the permit. (Information on how to certify compliance was mailed with the permit or can be obtained from the Division at 303-692-3189.)

6. The manufacturer, model number and serial number of the subject equipment shall be provided to the Division prior to final approval, or no later than the commencement of operations. (Reference: Regulation No. 3, Part B, IV. E.)

7. AIRS ID numbers (for example “AIRS ID: 005") shall be marked on the subject equipment (excluding the quarry) for ease of identification. (Reference: Regulati on No. 3, Part B, IV. E.) (State only enforceable)

8. For normal operation, and during shutdown, visible emissions shall not exceed twenty percent (20%) opacity. Visible emissions may not exceed 30 % opacity during periods of startup, process modification, fire box cleaning, or adjustment of control equipm ent, except that visible emissions may exceed 30 % opacity for up to a total of six (6) minutes in any sixty (60) consecutive minutes. Opacity shall be measured by EPA Method 9. (Reference: Regulati on No. 1, Section II. A. 1. & 4.)

9. This facility is subject to Title 40 CFR Part 63 - Na tional Emission Standards for Hazardous Air Pollutants for Source Categories, Subpart LLL - National Emission Standards for the Portland Cement Manufacturing Industry.

10. Revised Air Pollutant Emission Notices (APENs) shall be filed in accordance with Regulation No. 3, Part A, II. C. Penalties for non-compliance with this condition are specified in C.R.S § 25-7-122 (1)(c).

11. Regulation No. 6 - Standards of Performance for Ne w Stationary Sources, Part A - Federal Register Regulations Adopted By Reference, apply as follows:

Subpart A - General Provisions :

These apply to all emission sources to which standards under Part A apply.

Subpart F - Standards of Performance for Portland Cement Plants :

These standards apply to kiln, clinker cooler, raw mill system, finish mill system, raw mill dryer, raw materials storage, clinker storage, conveyor transf er points, bagging and bulk loading and unloading systems, in accordance with Subpart F.

Subpart Y - Standards of Performance for Coal Preparation Plants :

These standards apply to thermal dryers, pneumatic coal-cleaning equipment, coal processing and conveying equipment (including breakers and crushers), co al storage systems, and co al transfer and loading systems, in accordance with Subpart Y.

Subpart OOO - Standards of Performance for Non-Metallic Mineral Processing Plants :

These standards apply to each crusher, grinding mill, screening operation, bucket elevator, belt conveyor, bagging operation, storage bin, enclosed truck or rail car loading station, in accordance with Subpart OOO.

12. Regulation No. 6 - Standards of Performance, Part B - Specific Facilities and Sources, Non-Federal NSPS, apply as follows:

Subpart III - Standards of Performance for New Manufacturing Processes :

C - Standard for Particulate Matter: Emissions of particulate matter shall not exceed the emission rate

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determined by use of the equation:

E = 17.31 (P) 0.16



### Where:

E is the Allowable Particulate Matter Emissions in pounds per hour. P is the Process Weight rate in tons per hour.

Discharge into the atmosphere shall not exhibit opacity greater than 20 percent.

D - Standard for Sulfur Dioxide: Emissions of sulfur dioxide shall be controlled by utilizing best practical control technology. Dry scrubbing (in 5-st age, low pressure loss, countercurrent preheater/ precalciner and raw mill) is used for control of sulfur dioxide in gases exiting the kiln to achieve an overall facility sulfur dioxide control efficiency of 85 %.

In addition, the emission sources to which Part B applie s, are also subject to Regulation 6, Part A, Subpart
A - General Provisions.

This condition is State only enforceable.

13. The equipment / activities at this facility are subject to the provisions of Prevention of Significant Deterioration (PSD). Application of Best Available Control Technology (BACT) is required, as applicable to specific emission points. Emissions from various equipment / activities shall be controlled, and the permittee shall comply with the following BACT determinations:

Activities resulting in emi ssions of particulate matter:

Particulate Matter:

Emissions of particulate matter shall be minimized / controlled by the following control measures: Application of water sprays during removal and handling of topsoil. Compacting and revegetation of topsoil stockpiles. Water injection in blasthole drilling. Sequential blasting using delay action detonators to minimize formation of airborne particulate matter. Raw materials (including coal) stockpiling inside complete enclosures, and dust collectors on the
exhausts. Raw materials reclamation from stockpiles by automated conveyor system, and emissions routed
to the dust collectors. Minimization of height of fall of materials bei ng handled. Use of automatic devices in the stacking and reclamation operations. Water sprays during truck dumping to the crusher hopper, and use of dust skirt, fabric filter dust collector at primary crushing. Partial enclosures, water sprays, and dust collectors at conveyors / transfer points. Total enclosures for storage of raw materials, coal, and additives.
Total enclosures and dust collectors for automa ted conveyor reclamation of crushed products. Treatment of unpaved road surfaces with chemical dust suppressants in accordance with manufacturer’s recommendations, and adequate wate ring to effectively suppress the dust from getting air borne. Control efficiencies of, at l east 85 % for Total Suspended Particulates, and at
least 80 % for Particulate Matter less than 10 mi crometers aerodynamic diamet er [PM-10] shall be
achieved. Surfactant additive for water to enhance dust suppression. Cleaning of accumulations of debris on haul roads and ot her areas where they have the potential to get air borne. Such cleaning shall be done with the least delay, and such delay shall in no case exceed four (4) hours. The haul roads and other areas sha ll be inspected at least twice in a work shift. Time interval between the first and last inspection within a work shift shall be at least three (3)
hours.

### GCC Rio Grande, Inc.

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Limiting the vehicle speeds on quarry haul roads, serv ice roads, unpaved roads, and disturbed areas to a maximum of 18 miles per hour. Posting of speed limit signs. Reclamation works and sequential extraction of ma terial to keep the total disturbed areas at any
one time to a minimum. Plant entryway, truck service roads, and other traffic areas shall be concreted or graveled. Watering shall be implemented for additional controls, as necessary. Minimization of disturbed areas, revegetation, and mulching. When wind speed exceeds 30 miles per hour, as measured on the property for a period lasting longer than fifteen (15) minutes, all additional a ppropriate abatement and preventive measures, for control of fugitive emissions, shall be applied. These shall include the use of additional water sprays. Suspension of all quarry activities sha ll occur when wind speed reaches or exceeds 30 miles per hour, as measured on the property for a pe riod lasting longer than sixty (60) minutes. Resumption of activities shall only occur when wind speeds reduce to less than 30 miles per hour for a continuous period lasting longer than fifteen (15) minutes.

Materials Processing and Handling, including storage of clinker, intermediate products, and finished products :

Particulate Matter :

Dust collectors, which will limit the concentration of pa rticulate matter in the outlet to a maximum of 0.005 grain per dry standard cubic foot, shall be used on all processing / conveyor / handling systems.

Preheater / Precalciner and Kiln Sy stem referenced under AIRS ID: 039

Carbon Monoxide:

Controls: Good Combustion Practices (multi-stage firing ) for minimizing emissions of Carbon Monoxide. Emissions not to exceed a 12-month rolling averag e of 2.11 pounds per ton of clinker produced.

“Good Combustion Practices” (applicable to Carbon Monoxide) constitute monitoring and control of several operating parameters. These parameters may include, fuel flow rate, primary and secondary air flows, carbon monoxide concentration in the flue gas, le vel of excess air, and recirculating air flow. All relevant parameters and their optimal operating ra nges as per the manufacturer’s recommendations, to ensure minimization of emissions, for various combusti on devices shall be identified, and included in the Compliance Assurance Monitoring (CAM) plan requir ed by 40 CFR Part 64. Continuous emission monitoring systems shall be programmed to send out wa rnings if the operating parameters are on the verge of going out of the established operating ranges, and alarms shall be triggered if the operating parameters go out of established operating range. This provision sha ll be implemented, within twelve (12) months of commencement of operations, through the Division approved CAM plan.

Oxides of Nitrogen:

Controls: Low NOx combustion system (multi-stage firing) for minimizing emissions of Oxides of Nitrogen. Emissions not to exceed a 12-month rolling average of 2.32 pounds per ton of clinker produced.

Particulate Matter:

Emissions of particulate matter shall be controlled by high temperature filter medium dust collector. The concentration of filterable particulate matter in the dust collector outlet shall not exceed 0.01 grain per dry standard cubic foot. Emissions of condensable partic ulate matter shall be minimized by appropriate quarry management practices. Emissions of all condensable particulate matter shall not exceed 0.105 pound per ton of clinker produced.

Sulfur Dioxide:

Emissions of sulfur dioxide shall be minimized by: using low sulfur coals containing a 12-month rolling average of less than 0.65 % sulfur on as-received basis, and control by 5-stage counter-current dry scrubber with an overall control efficiency of at least 85 % ba sed on pyritic sulfur in the raw materials (excluding coal). Emissions not to exceed a 12-month rolling av erage of 1.99 pounds per ton of clinker produced.

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Clinker Cooler:

Particulate Matter:

Emissions of particulate matter shall be controlled by high temperature filter medium dust collector. The concentration of particulate matter in the dust collector outlet shall not exceed 0.01 grain per dry standard
cubic foot.

14. The emission sources shall be equipped with control devices / systems capable of reducing uncontrolled emissions of various pollutants as specified in Attach ment A. These control devices / systems shall be operated as per the recommendations of the manufactur ers. These parameters shall be contained in Operation and Maintenance plan, and updated as necessary.

15. The source shall be limited to throughput as listed be low. and all other activitie s, operational rates and numbers of equipment as stated in the permit. Throughput of individual equipment / activities shall be limited to the process rate limits specified in Attachme nt A. Monthly records of the actual throughput shall be maintained by the applicant and made available to the Division for inspection upon request. (Reference: Regulation No. 3, Part B, III. A. 4)

Cement clinker produced at this facility shall not exceed 950,000 tons per year, 86,000 tons per month, and 2,890 tons per day.

Total of topsoil and overburden / waste rock handled at the quarries shall not exceed 405,000 tons per year, 52,000 tons per month, and 2,400 tons per day.

Total surface area disturbed and subject to wind erosion in the quarry shall not
exceed 15

. 50 acres. Areas revegetated, or surface areas stabilized with geotextile netting or other similar measur es, are not considered subject to wind
erosion.

Total raw materials extracted from the quarries shall not exceed 1,470,000 tons per year, 163,000 tons per month, and 7,500 tons per day. Total quantity of coal processed, and fired shall not exceed 122,250 tons per year, 11,000 tons per month, and 370 tons per day.

Facility-wide consumption of pipeline quality na tural gas shall not exceed 352,770,000 SCF per

year.

Combination of activities shall be limited to the emission limits specified. This shall be demonstrated by adequate recordkeeping of the activities and corresponding emissions.

Additionally the following operational restrictions apply:

Quarrying activities ( defined by loading of quarry raw materials to trucks, truck transport, and unloading of raw material s at primary crusher hopper, and primary crushing) shall be limited to a total of ten ( 10) hours per day, between the hours of 6:00
AM and 9:00 PM.

Overburden activities (defined by overburden removal, overburden replacement, and scraper activity) shall be limited to a total of eight (8) hours per day, between the hours of
7:00 AM and 7:00 PM. Records shall be kept of the actual hours of quarrying and overburden activities each day.

During the first twelve (12) months of operation, co mpliance with the daily, monthly and yearly limitations shall be required. After the first twelve (12) months of operation, compliance with the daily and yearly limitations is required. Compliance with the yearly limits shall be determined on a rolling twelve (12)
month total.

### GCC Rio Grande, Inc.

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16. Emissions of air pollutants shall not exceed the fo llowing limitations (as calculated in the Division’s preliminary analysis):

Particulate Matter - Filtera ble.................................................................. 155.40 t ons per year .................................................................................................................. 13.25 tons p er month Particulate Matter < 10 μm [PM-10]- Filterable: ..................................... 147.97 tons per year .................................................................................................................. 12.62 tons p er month
................................................................................................................831.00 pounds per day Particulate Matter (all PM-10) - Condensable ........................................... 49.70 tons per year
.................................................................................................................... 4.60 tons per month
................................................................................................................297.00 pounds per day Particulate Matter - Fugitiv e:..................................................................... 42.64 tons per year .................................................................................................................... 3.50 tons per month Particulate Matter < 10 μm [PM-10] - Fugitive: ........................................ 17.77 tons per year .................................................................................................................... 1.48 tons per month PM-10-Fugitive (non-wind eros ion).......................................................159. 00 pounds per day PM-10-Fugitive (wind erosi on) ..............................................................177.00 pounds per day
Oxides of N itrogen: .............................................................................. 1,104.30 tons per year ................................................................................................................ 100.40 tons pe r month
Sulfur Dioxi de: ........................................................................................ 944.00 t ons per year .................................................................................................................. 85.80 tons p er month Volatile Organic Compounds: ................................................................... 24.20 tons per year .................................................................................................................... 2.20 tons per month
Carbon Monoxide :................................................................................ 1,010.40 t ons per year .................................................................................................................. 91.90 tons p er month
Lead.........................................................................................................75.00 pounds per year

Note 1: These limits include emissions of combustion gases from explosives used in blasting, but do not include emissions of combustion gases from inte rnal combustion engines mounted on mining related equipment and trucks hauling out the cement product from the facility.

Note 2: Condensable particulate matter shall be measur ed by EPA Reference Test Methods 202, 8, and
26A. The calculated sulfate and nitrate emissi ons from Method 202 shall be limited by the maximum sulfate and nitrate levels measured by Methods 8 and 26A.

During the first twelve (12) months of operation, co mpliance with the daily, monthly and yearly emission limitations is required. After the first twelve (12) months of operation, compliance with the daily and yearly limits is required. Compliance with the yearly limits shall be determined on a rolling twelve (12) month total. By the end of each month, a new twel ve month total shall be calculated based on previous twelve (12) calendar months’ data. The permit hol der shall calculate monthly emissions and keep a compliance record on site for Division review. (R eference: Regulation No. 3, Part B. III. A. 4)

Compliance with the fugitive particulate matter emissi on limits shall be demonstrated by not exceeding the throughput limits, and by applying, the emission cont rol measures specified under BACT condition.

17. Source compliance tests, and continuous emission mon itor certification tests (certification tests for CO, NOx, and SO 2 

### ) shall be conducted, prior to final approva l, to measure the emission rate(s) for the pollutants listed below in order, to show compliance with emission limits, to demonstrate the performance of the emission control devices, and to certify the c ontinuous emission monitoring system. The test protocol must be in accordance with the requireme nts of the Air Pollution Control Division Compliance Test Manual dated July 1, 1998, and shall be submitted to the Division for review and approval at least thirty (30) days prior to testing. No compliance test shall be conducted without prior approval from the Division. Any stack test conducted to show complian ce with a monthly or annual emission limitation, for pollutants not continuously monitored, shall have the results projected up to the monthly or annual averaging time by multiplying the test results by the allowable number of operating hours for that averaging time. (Reference: Regulation No. 3, Part B. IV. H. 3)

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Volatile Organic Compounds using EPA approved methods. Oxides of Nitrogen using EPA approved methods. Carbon Monoxide using EPA approved methods. Sulfur Dioxide using EPA approved methods. Particulate Matter using EPA approved methods. Particulate Matter less than 10 μm [PM-10] using EPA approved methods.

All emission sources subject to speci fic emission standards, and those with actual uncontrolled emissions of 10 tons per year or greater, shall be tested. These are listed on Attachment C. However, the Division reserves the right to require testing of any other emission source.

18. Prior to scheduling of the stack tests with respect to this permit, the permittee shall submit to the Division for approval:

An operating and maintenance plan for all control equipment and control practices, and,

A proposed record keeping format for demonstra ting compliance on an ongoing basis. (Reference: Regulation No. 3, Part B. IV. B. 2)

19. Continuous emission monitoring system (CEM) shall be installed, calibrated, maintained and operated on the cement kiln stack for measurement and recording of , concentrations and emission rates of Oxides of Nitrogen, Carbon Monoxide, and Sulfur Dioxide. The CE M shall conform to 40 CFR § 60.13. Semi-annual reports, of the excess emission rates and monitor system downtimes, shall be submitted to the Division within thirty (30) days of the ending of the semi-a nnual period. CEM data for Nitrogen Oxides, Carbon Monoxide, and Sulfur Dioxide shall be used for determining compliance.

20. This source is subject to the Common Provisions Re gulation Part II, Subpart E, Upset Conditions and
Breakdowns. In order to be entitled to relief under this section, the permittee shall notify the Division of any upset condition which causes a violation of any emissi on limit or limits stated in this permit as soon as possible, but no later than two (2) hours after the star t of the next working day, followed by written notice to the Division explaining the cause of the occurrence a nd that proper action has been or is being taken to correct the conditions causing said violation and to prevent such excess emission in the future.

21. All previous versions of this permit are canceled upon issuance of this permit.

__________________ ________________________ Ram N. Seetharam Roland C. Hea, P.E.
Permit Reviewer Unit Leader

Permit History: Date Action Description
This issuance IA Modification-3 18-month extension from previous expiration date (Modification-1) for commencing of construction. Deletion of prohibition of
construction commencement. September 25, 2003 IA Modification-2 Extension of expira tion date to March 31, 2004. This is an interim extension to maintain the validity of the permit. Construction not to
commence until further modification is issued. May 16, 2002 IA Modification-1 Transfer of owners hip (name change) from Rio Grande Portland Cement Corporation to GCC Rio Grande, Inc.; extension of construction commencement date from March 25, 2002 to September 25, 2003. September 25, 2000 IA Initial Approval; issued to Rio Grande Portland Cement Corporation.

### GCC Rio Grande, Inc.

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Notes to Permit Holder:

1) The production / throughput or raw material processing limits and emission limits contained in this permit are based on the production/processing rates requested in the permit application. These limits may be revised upon request of the permittee providing there is no exceedance of any specific emission control regulation or any ambient air quality standard. A revised air pollution emission notice (APEN) and application form must be submitted with a request for a permit revision.

2) The emission levels contained in this permit are ba sed on the emission factors used in the Division’s preliminary analysis.

3) This source is classified as a:

Major Stationary Source. Major Source for applicability of operating permit.

4) This source is subject to the provisions of Regulati on No. 3, Part C - Operating Permits (Title V of the Federal Clean Air Act Amendments, 1990). The appli cation for the Operating Permit is due within one year of commencing operation.

5) The following emissions of non-criteria reportable air pollutants are estimated based upon the material consumption / throughput limits. This information is liste d to inform the operator of the Division's analysis of the specific compounds, and are not enforceable limits. This information is listed on the Division's emission inventory system.

C.A.S. # SUBSTANCE EMISSIONS [LB/YR]

7647-01-0 Hydrogen Chloride (H ydrochloric Ac id) .................................................27,265.0 0 Manganese Compounds ................................................................................817.0
0 Chromium Compounds .................................................................................133.0
71-43-2 Ben zene ...................................................................................................15,200.0
74-87-3 Chloro methane..............................................................................................361.0 75-09-2 Methylen e Chlori de ......................................................................................466.0
7446-11-9 Sulfur Trioxide .........................................................................................13,300.0
7664-41-7 Amm onia ...................................................................................................9,500.0 Others, to tal................................................................................................2,192.0

### GCC Rio Grande, Inc.

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ATTACHMENT A

EQUIPMENT / ACTIVITIES COVERED UNDER THIS FACILITY-WIDE PERMIT

AIRS

ID DESCRIPTION MAKE, MODEL, SERIAL NUMBER, DESIGN RATE, CAPACITY, DIMENSIONS, CONSTRUCTION DETAILS, CONSUMPTION, THROUGHPUT, EMISSION CONTROLS, EMISSIONS REMARKS
SPECIFIC PROVISIONS

001 GASOLINE AND DIESEL FUEL STORAGE AND DISPENSING

ONE (1) HORIZONTAL STORAGE T ANK, 8000-GALLON CAPACITY, FOR
STORAGE OF GASOLINE.

PROCESS RATE LIMIT:

GASOLINE STORED / DISPENSED: 9,600 GALLONS PER YEAR

ONE (1) HORIZONTAL STORAGE T ANK, 8000-GALLON CAPACITY, FOR
STORAGE OF DIESEL FUEL.

PROCESS RATE LIMIT:

DIESEL FUEL STORED / DISPENSED: 9,600 GALLONS PER YEAR

ONE (1) HORIZONTAL STORAGE T ANK, 10000-GALLON CA PACITY, FOR
STORAGE OF DIESEL FUEL.

PROCESS RATE LIMIT:

DIESEL FUEL STORED / DISPENSED: 133,300 GALLONS PER YEAR

002 RAW MATERIALS QUARRY

PROCESS RATE LIMITS:

TOTAL RAW MATERIALS QUARRIED: 1,470,000 TONS PER YEAR OVERBURDEN/WASTE ROCK, AND TOPSOIL HANDLED: 405,000 TONS PER YEAR

EMISSION LIMITS:

PARTICULATE MATTER (PM)-FUG.: 34.82 TONS PER YEAR
PM-10 - FUG.: 14.33 TONS PER YEAR PARTICULATE MATTER EMISSIONS
CONTROL PLAN.

CONTROL EFFICIENCY: A MINIMUM OF 90 % FOR PM-10, AND PM.

003 PRIMARY CRUSHER SYSTEM. STACK ID: 312A

PROCESS: RECEIVING OF RUN OF MINE RAW MATERIALS AT THE CRUSHER HOPPER, FEEDING TO THE CRUSHER, CRUSHING, CONVEYING/
TRANSFERRING TO TRANSFER TOWERS.

EQUIPMENT:

ONE (1) MAKE, MODEL, AND S/N: NOT AVAILABLE, IMPACT TYPE, ROCK CRUSHER, DESIGN INPUT RATED AT 750 TONS PER HOUR. THIS IS USED FOR
CRUSHING OF RAW MATERIALS.

SIX_(6) TRANSFER POINTS.

PROCESS RATE LIMITS:

RAW MATERIALS PROCESSED: 1,470,000 TONS PER YEAR

EMISSION LIMITS:

PARTICULATE MATTER (PM): 0.56 TON PER YEAR
PM-10: 0.53 TON PER YEAR HOPPER ENCLOSURE EQUIPPED WITH DUST CURTAINS, AND MAINTAINED AT NEGATIVE PRESSURE, AND EXHAUSTED
THROUGH MEMBRANE FILTER DUST
COLLECTOR.

WATER, TREATED WITH SURFACE REACTIVE AGENTS, SPRAYED AT TIME OF DUMPING, AND TILL THE DUST SUBSIDES
IN THE HOPPER ENCLOSURE.

AIR SWEPT THROUGH THE CRUSHER IS
EXHAUSTED THROUGH MEMBRANE
FILTER MEDIUM DUST COLLECTOR.

OUTLET PARTICULATE LOADING IS A
MAXIMUM OF 0.005 GRAIN PER DRY
STANDARD CUBIC FOOT.

SUBJECT TO NSPS, OOO



### ATTACHMENT A CONTINUED...

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ATTACHMENT A

EQUIPMENT / ACTIVITIES COVERED UNDER THIS FACILITY-WIDE PERMIT

AIRS

ID DESCRIPTION MAKE, MODEL, SERIAL NUMBER, DESIGN RATE, CAPACITY, DIMENSIONS, CONSTRUCTION DETAILS, CONSUMPTION, THROUGHPUT, EMISSION CONTROLS, EMISSIONS REMARKS
SPECIFIC PROVISIONS

004 RAW MATERIALS TRANSFER TOWER. STACK ID: 312B

TRANSFERRING OF CRUSHED LIMESTONE AND SHALE FROM CONVEYOR TO
CONVEYOR.

PROCESS RATE LIMITS:

RAW MATERIALS TRANSFERRED: 1,470,000 TONS PER YEAR

EMISSION LIMITS:

PARTICULATE MATTER: 1.33 TONS PER YEAR

PARTICULATE MATTER < 10 μM [PM-10]: 1.27 TONS PER YEAR SUBJECT TO NSPS, F.

PARTICULATE EMISSIONS CONTROLLED
BY MEMBRANE FILTER MEDIUM DUST
COLLECTOR. PARTICULATE LOADING IN
THE OUTLET: MAXIMUM 0.005 GRAIN PER
DSCF.

005 RAW MATERIALS TRANSFER TOWER. STACK ID: 312C

TRANSFERRING OF CRUSHED LIMESTONE AND SHALE.

PROCESS RATE LIMITS:

RAW MATERIALS TRANSFERRED: 1,470,000 TONS PER YEAR

EMISSION LIMITS:

PARTICULATE MATTER: 1.33 TONS PER YEAR

PARTICULATE MATTER < 10 μM [PM-10]: 1.27 TONS PER YEAR SUBJECT TO NSPS, F.

PARTICULATE EMISSIONS CONTROLLED
BY MEMBRANE FILTER MEDIUM DUST
COLLECTOR. PARTICULATE LOADING IN
THE OUTLET: MAXIMUM 0.005 GRAIN PER
DSCF.

006 RAW MATERIALS TRANSFER TOWER. STACK ID: 312D

TRANSFERRING OF CRUSHED LIMESTONE AND SHALE.

PROCESS RATE LIMITS:

RAW MATERIALS TRANSFERRED: 1,470,000 TONS PER YEAR

EMISSION LIMITS:

PARTICULATE MATTER: 1.33 TONS PER YEAR

PARTICULATE MATTER < 10 μM [PM-10]: 1.27 TONS PER YEAR SUBJECT TO NSPS, F.

PARTICULATE EMISSIONS CONTROLLED
BY MEMBRANE FILTER MEDIUM DUST
COLLECTOR. PARTICULATE LOADING IN
THE OUTLET: MAXIMUM 0.005 GRAIN PER
DSCF.

007 GYPSUM UNLOADING. STACK ID: 335A

UNLOADING OF GYPSUM FROM TRUCKS / RAILCARS.

PROCESS RATE LIMITS:

RAW MATERIALS TRANSFERRED: 70,000 TONS PER YEAR

EMISSION LIMITS:

PARTICULATE MATTER: 1.07 TONS PER YEAR

PARTICULATE MATTER < 10 μM [PM-10]: 1.02 TONS PER YEAR SUBJECT TO NSPS, F.

PARTICULATE EMISSIONS CONTROLLED
BY MEMBRANE FILTER MEDIUM DUST
COLLECTOR. PARTICULATE LOADING IN
THE OUTLET: MAXIMUM 0.005 GRAIN PER
DSCF.

### GCC Rio Grande, Inc.

Permit No. 98PB0893 Initial Approval - Modification-3 Colorado Depa rtment of Public Health and Environment page 11 Air Pollution Control Division

101/0252/999 ver. 2/00 

# DRAFT

PERMIT

ATTACHMENT A

EQUIPMENT / ACTIVITIES COVERED UNDER THIS FACILITY-WIDE PERMIT

AIRS

ID DESCRIPTION MAKE, MODEL, SERIAL NUMBER, DESIGN RATE, CAPACITY, DIMENSIONS, CONSTRUCTION DETAILS, CONSUMPTION, THROUGHPUT, EMISSION CONTROLS, EMISSIONS REMARKS
SPECIFIC PROVISIONS



### ATTACHMENT A CONTINUED...

008 LIMESTONE FEED BIN. STACK ID: 410A

TRANSFERRING OF CRUSHED LIMESTONE AND SHALE INTO AND OUT OF

FEED BIN.

PROCESS RATE LIMITS:

RAW MATERIALS TRANSFERRED: 1,470,000 TONS PER YEAR

EMISSION LIMITS:

PARTICULATE MATTER: 5.16 TONS PER YEAR

PARTICULATE MATTER < 10 μM [PM-10]: 4.91 TONS PER YEAR SUBJECT TO NSPS, F.

PARTICULATE EMISSIONS CONTROLLED
BY MEMBRANE FILTER MEDIUM DUST
COLLECTOR. PARTICULATE LOADING IN
THE OUTLET: MAXIMUM 0.005 GRAIN PER
DSCF.

009 LIMESTONE FEED BIN. STACK ID: 410B

TRANSFERRING OF CRUSHED LIMESTONE AND SHALE INTO AND OUT OF

FEED BIN.

PROCESS RATE LIMITS:

RAW MATERIALS TRANSFERRED: 1,470,000 TONS PER YEAR

EMISSION LIMITS:

PARTICULATE MATTER: 0.56 TON PER YEAR

PARTICULATE MATTER < 10 μM [PM-10]: 0.53 TON PER YEAR SUBJECT TO NSPS, F.

PARTICULATE EMISSIONS CONTROLLED
BY MEMBRANE FILTER MEDIUM DUST
COLLECTOR. PARTICULATE LOADING IN
THE OUTLET: MAXIMUM 0.005 GRAIN PER
DSCF.

010 LIMESTONE FEED BIN. STACK ID: 410C

TRANSFERRING OF CRUSHED LIMESTONE AND SHALE INTO AND OUT OF

FEED BIN.

PROCESS RATE LIMITS:

RAW MATERIALS TRANSFERRED: 1,470,000 TONS PER YEAR

EMISSION LIMITS:

PARTICULATE MATTER: 0.56 TON PER YEAR

PARTICULATE MATTER < 10 μM [PM-10]: 0.53 TON PER YEAR SUBJECT TO NSPS, F.

PARTICULATE EMISSIONS CONTROLLED
BY MEMBRANE FILTER MEDIUM DUST
COLLECTOR. PARTICULATE LOADING IN
THE OUTLET: MAXIMUM 0.005 GRAIN PER
DSCF.

011 SANDSTONE FEED BIN. STACK ID: 410D

TRANSFERRING OF SANDSTONE INTO AND OUT OF FEED BIN.

PROCESS RATE LIMITS:

RAW MATERIALS TRANSFERRED: 130,000 TONS PER YEAR

EMISSION LIMITS:

PARTICULATE MATTER: 0.56 TON PER YEAR

PARTICULATE MATTER < 10 μM [PM-10]: 0.53 TON PER YEAR SUBJECT TO NSPS, F.

PARTICULATE EMISSIONS CONTROLLED
BY MEMBRANE FILTER MEDIUM DUST
COLLECTOR. PARTICULATE LOADING IN
THE OUTLET: MAXIMUM 0.005 GRAIN PER
DSCF.

### GCC Rio Grande, Inc.

Permit No. 98PB0893 Initial Approval - Modification-3 Colorado Depa rtment of Public Health and Environment page 12 Air Pollution Control Division

101/0252/999 ver. 2/00 

# DRAFT

PERMIT

ATTACHMENT A

EQUIPMENT / ACTIVITIES COVERED UNDER THIS FACILITY-WIDE PERMIT

AIRS

ID DESCRIPTION MAKE, MODEL, SERIAL NUMBER, DESIGN RATE, CAPACITY, DIMENSIONS, CONSTRUCTION DETAILS, CONSUMPTION, THROUGHPUT, EMISSION CONTROLS, EMISSIONS REMARKS
SPECIFIC PROVISIONS



### ATTACHMENT A CONTINUED...

012 RAW MATERIALS UNLOADING. STACK ID: 851B

UNLOADING OF RAW MATERIALS - SILICA SAND, HEMATITE, BOTTOM ASH,
AND COAL.

PROCESS RATE LIMITS:

TOTAL RAW MATERIALS UNLOADED: 354,000 TONS PER YEAR

EMISSIONS LIMITS:

PARTICULATE MATTER: 2.14 TONS PER YEAR

PARTICULATE MATTER < 10 μM: 2.04 TONS PER YEAR SUBJECT TO NSPS, F.

PARTICULATE EMISSIONS CONTROLLED
BY MEMBRANE FILTER MEDIUM DUST
COLLECTOR. PARTICULATE LOADING IN
THE OUTLET: MAXIMUM 0.005 GRAIN PER
DSCF.

013 RAW MILL FEED CONVEYOR / TRANSFER. STACK ID: 410E

CONVEYING AND TRANSFERRING OF RAW MILL FEED.

PROCESS RATE LIMITS:

MATERIAL CONVEYED / TRANSFERRE D: 1,780,000 TONS PER YEAR

EMISSIONS LIMITS:

PARTICULATE MATTER: 1.33 TONS PER YEAR

PARTICULATE MATTER < 10 μM: 1.27 TONS PER YEAR SUBJECT TO NSPS, F.

PARTICULATE EMISSIONS CONTROLLED
BY MEMBRANE FILTER MEDIUM DUST
COLLECTOR. PARTICULATE LOADING IN
THE OUTLET: MAXIMUM 0.005 GRAIN PER
DSCF.

014 RAW MILL FEED CONVEYOR / TRANSFER. STACK ID: 420A

CONVEYING AND TRANSFERRING OF RAW MILL FEED.

PROCESS RATE LIMITS:

MATERIAL TRANSFERRED / CONVEYE D: 1,780,000 TONS PER YEAR

EMISSIONS LIMITS:

PARTICULATE MATTER: 1.97 TONS PER YEAR

PARTICULATE MATTER < 10 μM: 1.88 TONS PER YEAR SUBJECT TO NSPS, F.

PARTICULATE EMISSIONS CONTROLLED
BY MEMBRANE FILTER MEDIUM DUST
COLLECTOR. PARTICULATE LOADING IN
THE OUTLET: MAXIMUM 0.005 GRAIN PER
DSCF.

015 RECYCLING IN RAW MILL SYSTEM. STACK ID: 420B

RAW MILL OPERATES IN CLOSED-CIRCU IT. PRODUCT FROM RAW MILL IS
SEPARATED INTO COARSE AND FINE FR ACTIONS. COARSE FRACTION IS FED
BACK TO THE MILL.

PROCESS RATE LIMITS:

COARSE FRACTION CONVEYED/TRAN SFERRED: 900,000 TONS PER YEAR

EMISSIONS LIMITS:

PARTICULATE MATTER: 0.37 TON PER YEAR

PARTICULATE MATTER < 10 μM: 0.35 TON PER YEAR SUBJECT TO NSPS, F.

PARTICULATE EMISSIONS CONTROLLED
BY MEMBRANE FILTER MEDIUM DUST
COLLECTOR. PARTICULATE LOADING IN
THE OUTLET: MAXIMUM 0.005 GRAIN PER
DSCF.

### GCC Rio Grande, Inc.

Permit No. 98PB0893 Initial Approval - Modification-3 Colorado Depa rtment of Public Health and Environment page 13 Air Pollution Control Division

101/0252/999 ver. 2/00 

# DRAFT

PERMIT

ATTACHMENT A

EQUIPMENT / ACTIVITIES COVERED UNDER THIS FACILITY-WIDE PERMIT

AIRS

ID DESCRIPTION MAKE, MODEL, SERIAL NUMBER, DESIGN RATE, CAPACITY, DIMENSIONS, CONSTRUCTION DETAILS, CONSUMPTION, THROUGHPUT, EMISSION CONTROLS, EMISSIONS REMARKS
SPECIFIC PROVISIONS



### ATTACHMENT A CONTINUED...

016 RAW MILL CRUDE DUST COLLECTOR. STACK ID: 430A

AUXILIARY DUST COLLECTOR IN THE CRUDE (RAW) MILL RECYCLE
SYSTEM.

PROCESS RATE LIMITS:

COARSE FRACTION CONVEYED/TRAN SFERRED: 900,000 TONS PER YEAR

EMISSIONS LIMITS:

PARTICULATE MATTER: 0.27 TON PER YEAR

PARTICULATE MATTER < 10 μM: 0.26 TON PER YEAR SUBJECT TO NSPS, F.

PARTICULATE EMISSIONS CONTROLLED
BY MEMBRANE FILTER MEDIUM DUST
COLLECTOR. PARTICULATE LOADING IN
THE OUTLET: MAXIMUM 0.005 GRAIN PER
DSCF.

017 CRUDE SILO 1. STACK ID: 440A

MILLED RAW MATERIAL (CRUDE, ALSO REFERRED AS RAW MEAL) IS
CONVEYED AND TRANSFERRED INTO THE SILO FOR HOMOGENIZING.

PROCESS RATE LIMITS:

RAW MEAL TRANSFERRED/CONVEYE D: 1,760,000 TONS PER YEAR

EMISSION LIMITS:

PARTICULATE MATTER: 1.47 TONS PER YEAR

PARTICULATE MATTER < 10 μM: 1.40 TONS PER YEAR SUBJECT TO NSPS, F.

PARTICULATE EMISSIONS CONTROLLED
BY MEMBRANE FILTER MEDIUM DUST
COLLECTOR. PARTICULATE LOADING IN
THE OUTLET: MAXIMUM 0.005 GRAIN PER
DSCF.

018 BIN SCALE FINES FEEDBACK. STACK ID: 510A

HANDLING (TRANSFER / CONVEYING) OF EXCESS MATERIAL FROM CRUDE
BIN SCALE.

PROCESS RATE LIMITS:

MATERIAL TRANSFERRED/CONVEYED: 350,000 TONS PER YEAR

EMISSION LIMITS:

PARTICULATE MATTER: 0.46 TON PER YEAR

PARTICULATE MATTER < 10 μM: 0.44 TON PER YEAR SUBJECT TO NSPS, F.

PARTICULATE EMISSIONS CONTROLLED
BY MEMBRANE FILTER MEDIUM DUST
COLLECTOR. PARTICULATE LOADING IN
THE OUTLET: MAXIMUM 0.005 GRAIN PER
DSCF.

019 CRUDE FEED BIN SCALE. STACK ID: 520A

### GCC Rio Grande, Inc.

Permit No. 98PB0893 Initial Approval - Modification-3 Colorado Depa rtment of Public Health and Environment page 14 Air Pollution Control Division

101/0252/999 ver. 2/00 

# DRAFT

PERMIT

ATTACHMENT A

EQUIPMENT / ACTIVITIES COVERED UNDER THIS FACILITY-WIDE PERMIT

AIRS

ID DESCRIPTION MAKE, MODEL, SERIAL NUMBER, DESIGN RATE, CAPACITY, DIMENSIONS, CONSTRUCTION DETAILS, CONSUMPTION, THROUGHPUT, EMISSION CONTROLS, EMISSIONS REMARKS
SPECIFIC PROVISIONS

HANDLING (TRANSFER / CONVEYING) OF CRUDE INTO AND FROM CRUDE
BIN SCALE.

PROCESS RATE LIMITS:

MATERIAL TRANSFERRED/CONVEYED: 1,600,000 TONS PER YEAR

EMISSION LIMITS:

PARTICULATE MATTER: 0.83 TON PER YEAR

PARTICULATE MATTER < 10 μM: 0.79 TON PER YEAR SUBJECT TO NSPS, F.

PARTICULATE EMISSIONS CONTROLLED
BY MEMBRANE FILTER MEDIUM DUST
COLLECTOR. PARTICULATE LOADING IN
THE OUTLET: MAXIMUM 0.005 GRAIN PER
DSCF.



### ATTACHMENT A CONTINUED...

020 CRUDE RECYCLE SYSTEM. STACK ID: 520B

HANDLING OF RAW MEAL (CRUDE) IN RECYCLE SYSTEM.

PROCESS RATE LIMITS:

MATERIAL TRANSFERRED/CONVEYED: 1,600,000 TONS PER YEAR

EMISSION LIMITS:

PARTICULATE MATTER: 0.60 TON PER YEAR

PARTICULATE MATTER < 10 μM: 0.57 TON PER YEAR SUBJECT TO NSPS, F.

PARTICULATE EMISSIONS CONTROLLED
BY MEMBRANE FILTER MEDIUM DUST
COLLECTOR. PARTICULATE LOADING IN
THE OUTLET: MAXIMUM 0.005 GRAIN PER
DSCF.

021 CRUDE FEED TO SILOS 1 AND 2. STACK ID: 520C

TRANSFERS OF CRUDE FEED TO STORAGE SILOS.

PROCESS RATE LIMITS:

MATERIAL TRANSFERRED/CONVEYED: 800,000 TONS PER YEAR

EMISSION LIMITS:

PARTICULATE MATTER: 0.87 TON PER YEAR

PARTICULATE MATTER < 10 μM: 0.83 TON PER YEAR SUBJECT TO NSPS, F.

PARTICULATE EMISSIONS CONTROLLED
BY MEMBRANE FILTER MEDIUM DUST
COLLECTOR. PARTICULATE LOADING IN
THE OUTLET: MAXIMUM 0.005 GRAIN PER
DSCF.

022 CLINKER COOLER DISCHARGE. STACK ID: 571A

TRANSFER OF CLINKER FROM COOLER TO CONVEYOR.

PROCESS RATE LIMITS:

MATERIAL TRANSFERRED: 950,000 TONS PER YEAR

EMISSION LIMITS:

PARTICULATE MATTER: 0.64 TON PER YEAR

PARTICULATE MATTER < 10 μM: 0.61 TON PER YEAR SUBJECT TO NSPS, F.

PARTICULATE EMISSIONS CONTROLLED
BY MEMBRANE FILTER MEDIUM DUST
COLLECTOR. PARTICULATE LOADING IN
THE OUTLET: MAXIMUM 0.005 GRAIN PER
DSCF.

023 CLINKER CONVEYOR / TRANSFER. STACK ID: 571B

### GCC Rio Grande, Inc.

Permit No. 98PB0893 Initial Approval - Modification-3 Colorado Depa rtment of Public Health and Environment page 15 Air Pollution Control Division

101/0252/999 ver. 2/00 

# DRAFT

PERMIT

ATTACHMENT A

EQUIPMENT / ACTIVITIES COVERED UNDER THIS FACILITY-WIDE PERMIT

AIRS

ID DESCRIPTION MAKE, MODEL, SERIAL NUMBER, DESIGN RATE, CAPACITY, DIMENSIONS, CONSTRUCTION DETAILS, CONSUMPTION, THROUGHPUT, EMISSION CONTROLS, EMISSIONS REMARKS
SPECIFIC PROVISIONS

TRANSFERRING AND CONVEYING OF CLINKER.

PROCESS RATE LIMITS:

CLINKER TRANSFERRED: 950,000 TONS PER YEAR

EMISSION LIMITS:

PARTICULATE MATTER: 1.61 TONS PER YEAR

PARTICULATE MATTER < 10 μM [PM-10]: 1.53 TONS PER YEAR SUBJECT TO NSPS, F.

PARTICULATE EMISSIONS CONTROLLED
BY MEMBRANE FILTER MEDIUM DUST
COLLECTOR. PARTICULATE LOADING IN
THE OUTLET: MAXIMUM 0.005 GRAIN PER
DSCF.



### ATTACHMENT A CONTINUED...

024 CLINKER CONVEYOR. STACK ID: 571C

TRANSFERRING AND CONVEYING OF CLINKER.

PROCESS RATE LIMITS:

CLINKER TRANSFERRED: 950,000 TONS PER YEAR

EMISSION LIMITS:

PARTICULATE MATTER: 0.87 TON PER YEAR

PARTICULATE MATTER < 10 μM [PM-10]: 0.83 TON PER YEAR SUBJECT TO NSPS, F.

PARTICULATE EMISSIONS CONTROLLED
BY MEMBRANE FILTER MEDIUM DUST
COLLECTOR. PARTICULATE LOADING IN
THE OUTLET: MAXIMUM 0.005 GRAIN PER
DSCF.

025 BUNKER 1 (CLINKER) DISCHARGE. STACK ID: 571D

TRANSFERRING (DISCHARGING) FROM CLINKER BUNKER.

PROCESS RATE LIMITS:

CLINKER TRANSFERRED: 950,000 TONS PER YEAR

EMISSION LIMITS:

PARTICULATE MATTER: 1.74 TONS PER YEAR

PARTICULATE MATTER < 10 μM [PM-10]: 1.66 TONS PER YEAR SUBJECT TO NSPS, F.

PARTICULATE EMISSIONS CONTROLLED
BY MEMBRANE FILTER MEDIUM DUST
COLLECTOR. PARTICULATE LOADING IN
THE OUTLET: MAXIMUM 0.005 GRAIN PER
DSCF.

026 SPECIAL CLINKER SILO. STACK ID: 573A

TRANSFER OF CLINKER INTO AND FROM CLINKER SILO.

PROCESS RATE LIMITS:

CLINKER TRANSFERRED: 500,000 TONS PER YEAR

EMISSION LIMITS:

PARTICULATE MATTER: 1.61 TONS PER YEAR

PARTICULATE MATTER < 10 μM [PM-10]: 1.53 TONS PER YEAR SUBJECT TO NSPS, F.

PARTICULATE EMISSIONS CONTROLLED
BY MEMBRANE FILTER MEDIUM DUST
COLLECTOR. PARTICULATE LOADING IN
THE OUTLET: MAXIMUM 0.005 GRAIN PER
DSCF.

### GCC Rio Grande, Inc.

Permit No. 98PB0893 Initial Approval - Modification-3 Colorado Depa rtment of Public Health and Environment page 16 Air Pollution Control Division

101/0252/999 ver. 2/00 

# DRAFT

PERMIT

ATTACHMENT A

EQUIPMENT / ACTIVITIES COVERED UNDER THIS FACILITY-WIDE PERMIT

AIRS

ID DESCRIPTION MAKE, MODEL, SERIAL NUMBER, DESIGN RATE, CAPACITY, DIMENSIONS, CONSTRUCTION DETAILS, CONSUMPTION, THROUGHPUT, EMISSION CONTROLS, EMISSIONS REMARKS
SPECIFIC PROVISIONS

027 CLINKER BELT CONVEYOR. STACK ID: 574A

TRANSFERRING AND CONVEYING OF CLINKER

PROCESS RATE LIMITS:

CLINKER TRANSFERRED/CONVEYED: 950,000 TONS PER YEAR

EMISSION LIMITS:

PARTICULATE MATTER: 1.20 TONS PER YEAR

PARTICULATE MATTER < 10 μM [PM-10]: 1.14 TONS PER YEAR SUBJECT TO NSPS, F.

PARTICULATE EMISSIONS CONTROLLED
BY MEMBRANE FILTER MEDIUM DUST
COLLECTOR. PARTICULATE LOADING IN
THE OUTLET: MAXIMUM 0.005 GRAIN PER
DSCF.



### ATTACHMENT A CONTINUED...

028 CLINKER BELT CONVEYOR. STACK ID: 574B

TRANSFERRING AND CONVEYING OF CLINKER

PROCESS RATE LIMITS:

CLINKER TRANSFERRED/CONVEYED: 950,000 TONS PER YEAR

EMISSION LIMITS:

PARTICULATE MATTER: 0.41 TON PER YEAR

PARTICULATE MATTER < 10 μM [PM-10]: 0.39 TON PER YEAR SUBJECT TO NSPS, F.

PARTICULATE EMISSIONS CONTROLLED
BY MEMBRANE FILTER MEDIUM DUST
COLLECTOR. PARTICULATE LOADING IN
THE OUTLET: MAXIMUM 0.005 GRAIN PER
DSCF.

029 CLINKER FEED BIN. STACK ID: 574C

TRANSFER INTO AND OUT OF CLINKER FEED BIN.

PROCESS RATE LIMITS:

CLINKER TRANSFERRED: 950,000 TONS PER YEAR

EMISSIONS LIMITS:

PARTICULATE MATTER: 0.33 TON PER YEAR

PARTICULATE MATTER < 10 μM [PM-10]: 0.31 TON PER YEAR SUBJECT TO NSPS, F.

PARTICULATE EMISSIONS CONTROLLED
BY MEMBRANE FILTER MEDIUM DUST
COLLECTOR. PARTICULATE LOADING IN
THE OUTLET: MAXIMUM 0.005 GRAIN PER
DSCF.

030 CLINKER FEED BIN. STACK ID: 574D

### GCC Rio Grande, Inc.

Permit No. 98PB0893 Initial Approval - Modification-3 Colorado Depa rtment of Public Health and Environment page 17 Air Pollution Control Division

101/0252/999 ver. 2/00 

# DRAFT

PERMIT

ATTACHMENT A

EQUIPMENT / ACTIVITIES COVERED UNDER THIS FACILITY-WIDE PERMIT

AIRS

ID DESCRIPTION MAKE, MODEL, SERIAL NUMBER, DESIGN RATE, CAPACITY, DIMENSIONS, CONSTRUCTION DETAILS, CONSUMPTION, THROUGHPUT, EMISSION CONTROLS, EMISSIONS REMARKS
SPECIFIC PROVISIONS

TRANSFER INTO AND OUT OF CLINKER FEED BIN.

PROCESS RATE LIMITS:

CLINKER TRANSFERRED: 950,000 TONS PER YEAR

EMISSIONS LIMITS:

PARTICULATE MATTER: 0.46 TON PER YEAR

PARTICULATE MATTER < 10 μM [PM-10]: 0.44 TON PER YEAR SUBJECT TO NSPS, F.

PARTICULATE EMISSIONS CONTROLLED
BY MEMBRANE FILTER MEDIUM DUST
COLLECTOR. PARTICULATE LOADING IN
THE OUTLET: MAXIMUM 0.005 GRAIN PER
DSCF.

031 CEMENT MILL 1 FEED CONVEYOR. STACK ID: 610A

CONVEYING TRANSFERRING OF FEED TO FINISH CEMENT MILL

PROCESS RATE LIMITS:

FINISH MILL FEED CONVEYED: 1,000,000 TONS PER YEAR

EMISSIONS LIMITS:

PARTICULATE MATTER: 1.10 TONS PER YEAR

PARTICULATE MATTER < 10 μM [PM-10]: 1.05 TONS PER YEAR SUBJECT TO NSPS, F.

PARTICULATE EMISSIONS CONTROLLED
BY MEMBRANE FILTER MEDIUM DUST
COLLECTOR. PARTICULATE LOADING IN
THE OUTLET: MAXIMUM 0.005 GRAIN PER
DSCF.



### ATTACHMENT A CONTINUED...

032 CEMENT CONVEYOR FROM FINISH MILL. STACK ID: 620B

TRANSFERRING AND CONVEYING OF CEMENT.

PROCESS RATE LIMITS:

CEMENT CONVEYED/TRANSFERRED: 1,000,000 TONS PER YEAR

EMISSIONS LIMITS:

PARTICULATE MATTER: 0.74 TON PER YEAR

PARTICULATE MATTER < 10 μM [PM-10]: 0.70 TON PER YEAR SUBJECT TO NSPS, F.

PARTICULATE EMISSIONS CONTROLLED
BY MEMBRANE FILTER MEDIUM DUST
COLLECTOR. PARTICULATE LOADING IN
THE OUTLET: MAXIMUM 0.005 GRAIN PER
DSCF.

033 CEMENT SILO 1. STACK ID: 630A

TRANSFER OF CEMENT INTO STORAGE SILO.

PROCESS RATE LIMITS:

CEMENT TRANSFERRED: 1,000,000 TONS PER YEAR

EMISSIONS LIMITS:

PARTICULATE MATTER: 0.56 TON PER YEAR

PARTICULATE MATTER < 10 μM [PM-10]: 0.53 TON PER YEAR SUBJECT TO NSPS, F.

PARTICULATE EMISSIONS CONTROLLED
BY MEMBRANE FILTER MEDIUM DUST
COLLECTOR. PARTICULATE LOADING IN
THE OUTLET: MAXIMUM 0.005 GRAIN PER
DSCF.

034 CEMENT SILO 2. STACK ID: 630B

### GCC Rio Grande, Inc.

Permit No. 98PB0893 Initial Approval - Modification-3 Colorado Depa rtment of Public Health and Environment page 18 Air Pollution Control Division

101/0252/999 ver. 2/00 

# DRAFT

PERMIT

ATTACHMENT A

EQUIPMENT / ACTIVITIES COVERED UNDER THIS FACILITY-WIDE PERMIT

AIRS

ID DESCRIPTION MAKE, MODEL, SERIAL NUMBER, DESIGN RATE, CAPACITY, DIMENSIONS, CONSTRUCTION DETAILS, CONSUMPTION, THROUGHPUT, EMISSION CONTROLS, EMISSIONS REMARKS
SPECIFIC PROVISIONS

TRANSFER OF CEMENT INTO STORAGE SILO.

PROCESS RATE LIMITS:

CEMENT TRANSFERRED: 1,000,000 TONS PER YEAR

EMISSIONS LIMITS:

PARTICULATE MATTER: 0.56 TON PER YEAR

PARTICULATE MATTER < 10 μM [PM-10]: 0.53 TON PER YEAR SUBJECT TO NSPS, F.

PARTICULATE EMISSIONS CONTROLLED
BY MEMBRANE FILTER MEDIUM DUST
COLLECTOR. PARTICULATE LOADING IN
THE OUTLET: MAXIMUM 0.005 GRAIN PER
DSCF.

035 CEMENT DISCHARGE, SILO 1 (LOADOUT). STACK ID: 732A

CEMENT DISCHARGE FROM SILO FOR LOADING INTO TRUCKS / RAILCARS.

PROCESS RATE LIMITS:

CEMENT DISCHARGED: 1,000,000 TONS PER YEAR

EMISSIONS LIMITS:

PARTICULATE MATTER: 0.74 TON PER YEAR

PARTICULATE MATTER < 10 μM [PM-10]: 0.70 TON PER YEAR SUBJECT TO NSPS, F.

PARTICULATE EMISSIONS CONTROLLED
BY MEMBRANE FILTER MEDIUM DUST
COLLECTOR. PARTICULATE LOADING IN
THE OUTLET: MAXIMUM 0.005 GRAIN PER
DSCF.



### ATTACHMENT A CONTINUED...

036 CEMENT DISCHARGE, SILO 2 (LOADOUT). STACK ID: 732B

CEMENT DISCHARGE FROM SILO FOR LOADING INTO TRUCKS / RAILCARS.

PROCESS RATE LIMITS:

CEMENT DISCHARGED: 1,000,000 TONS PER YEAR

EMISSIONS LIMITS:

PARTICULATE MATTER: 0.74 TON PER YEAR

PARTICULATE MATTER < 10 μM [PM-10]: 0.70 TON PER YEAR SUBJECT TO NSPS, F.

PARTICULATE EMISSIONS CONTROLLED

BY MEMBRANE FILTER MEDIUM DUST

COLLECTOR. PARTICULATE LOADING IN

THE OUTLET: MAXIMUM 0.005 GRAIN PER

DSCF.

037 COAL MILL

### GCC Rio Grande, Inc.

Permit No. 98PB0893 Initial Approval - Modification-3 Colorado Depa rtment of Public Health and Environment page 19 Air Pollution Control Division

101/0252/999 ver. 2/00 

# DRAFT

PERMIT

ATTACHMENT A

EQUIPMENT / ACTIVITIES COVERED UNDER THIS FACILITY-WIDE PERMIT

AIRS

ID DESCRIPTION MAKE, MODEL, SERIAL NUMBER, DESIGN RATE, CAPACITY, DIMENSIONS, CONSTRUCTION DETAILS, CONSUMPTION, THROUGHPUT, EMISSION CONTROLS, EMISSIONS REMARKS
SPECIFIC PROVISIONS

MILLING OF COAL FOR FIRING INTO KILN/PREHEATER/PRECALCINER

PROCESS RATE LIMITS:

COAL MILLED: 122,250 TONS PER YEAR

A SLIP STREAM OF HOT GASES FROM PRE-CALCINER / PRE-HEATER IS

ROUTED THROUGH THE COAL MILL FOR DRYING OF COAL. OFF GASES

FROM THE COAL MILL ARE ROUTED TO A FABRIC FILTER BAGHOUSE AND THEN TO THE MAIN KILN STACK (AIRS ID: 039). SUBJECT TO NSPS, F.

NO SEPARATE EMISSION STACK FOR THIS

PROCESS UNIT

038 TRANSFER TOWER - COAL. STACK ID: 851D

TRANSFER OF INCOMING COAL TO CONVEYOR SYSTEM.

PROCESS RATE LIMITS:

COAL TRANSFERRED: 122,250 TONS PER YEAR

EMISSION LIMITS:

PARTICULATE MATTER: 0.56 TON PER YEAR

PARTICULATE MATTER < 10 μM [PM-10]: 0.53 TON PER YEAR SUBJECT TO NSPS, F.

PARTICULATE EMISSIONS CONTROLLED

BY MEMBRANE FILTER MEDIUM DUST

COLLECTOR. PARTICULATE LOADING IN

THE OUTLET: MAXIMUM 0.005 GRAIN PER

DSCF.



### ATTACHMENT A CONTINUED...

039 CEMENT KILN INCLUDING 5-STAGE PREHEATER/PRECALCINER. STACK

ID: STACK 1

### GCC Rio Grande, Inc.

Permit No. 98PB0893 Initial Approval - Modification-3 Colorado Depa rtment of Public Health and Environment page 20 Air Pollution Control Division

101/0252/999 ver. 2/00 

# DRAFT

PERMIT

ATTACHMENT A

EQUIPMENT / ACTIVITIES COVERED UNDER THIS FACILITY-WIDE PERMIT

AIRS

ID DESCRIPTION MAKE, MODEL, SERIAL NUMBER, DESIGN RATE, CAPACITY, DIMENSIONS, CONSTRUCTION DETAILS, CONSUMPTION, THROUGHPUT, EMISSION CONTROLS, EMISSIONS REMARKS
SPECIFIC PROVISIONS

PYROPROCESSING OF CRUDE IN A 5- STAGE PRE-HEATER/PRE-CALCINER AND

CLINKERING ROTARY KILN TO PRODUCE CEMENT CLINKER.

PROCESS RATE LIMITS:

CEMENT CLINKER PRODUCED : 950,000 TONS PER YEAR

EMISSIONS LIMITS:

PARTICULATE MATTER - FILTERABLE: 48.20 TONS PER YEAR

PM-10 - FILTERABLE: 45.90 TONS PER YEAR

PARTICULATE MATTER - CONDENSABLE: 49.70 TONS PER YEAR ( ALL PM-10)

OXIDES OF NITROGEN: 1,100.00 TONS PER YEAR

SULFUR DIOXIDE: 943.35 TONS PER YEAR

VOLATILE ORGANIC COMPOUNDS: 23.80 TONS PER YEAR

CARBON MONOXIDE: 1, 000.00 TONS PER YEAR SUBJECT TO NSPS, F.

MULTI-STAGE COMBUSTION FOR

MINIMIZATION OF EMISSIONS OF OXIDES

OF NITROGEN AND CARBON MONOXIDE.

OTHER THAN THOSE LIMITED GASES
USED TO DRY COAL IN THE COAL MILL,

GASES EXITING THE PREHEATER ARE
ROUTED THROUGH THE RAW MILL, FOR

AT LEAST 95 % OF THE OPERATIONS OF
THE KILN, FOR ADDITIONAL

ABSORPTION OF SULFUR DIOXIDE. NO

SEPARATE STACK FOR RAW MILL

PARTICULATE EMISSIONS CONTROLLED

BY HIGH TEMPERATURE FILTER MEDIUM

DUST COLLECTOR.

PARTICULATE LOADING IN THE OUTLET:

MAXIMUM OF 0.01 GRAIN PER DSCF.
WHEN RAW MILL IS NOT OPERATING,

GASES FROM THE PREHEATER WILL BE

ROUTED THROUGH THE CONDITIONING

TOWER.

GASES EXITING COAL MILL BAGHOUSE (AIRS ID: 037) ARE ROUTED INTO THIS

KILN STACK.

040 CLINKER COOLER. STACK ID: STACK 2

AIR COOLING OF CLINKER DISC HARGED FROM CEMENT KILN.

PROCESS RATE LIMITS:

CLINKER COOLED: 950,000 TONS PER YEAR

EMISSIONS LIMITS:

PARTICULATE MATTER: 48.38 TONS PER YEAR

PARTICULATE MATTER < 10 μM [PM-10]: 46.08 TONS PER YEAR SUBJECT TO NSPS, F.

PARTICULATE EMISSIONS CONTROLLED
BY HIGH TEMPERATURE FILTER MEDIUM
DUST COLLECTOR.

PARTICULATE LOADING IN THE OUTLET:
MAXIMUM OF 0.01 GRAIN PER DSCF.



### ATTACHMENT A CONTINUED...

041 CEMENT MILL 1. STACK ID: STACK 3

### GCC Rio Grande, Inc.

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# DRAFT

PERMIT

ATTACHMENT A

EQUIPMENT / ACTIVITIES COVERED UNDER THIS FACILITY-WIDE PERMIT

AIRS

ID DESCRIPTION MAKE, MODEL, SERIAL NUMBER, DESIGN RATE, CAPACITY, DIMENSIONS, CONSTRUCTION DETAILS, CONSUMPTION, THROUGHPUT, EMISSION CONTROLS, EMISSIONS REMARKS
SPECIFIC PROVISIONS

FINISH MILLING OF CLINKER AND ADDITIVES TO PRODUCE PORTLAND
CEMENT.

PROCESS RATE LIMITS:

CEMENT PRODUCED: 1,000,000 TONS PER YEAR

EMISSIONS LIMITS:

PARTICULATE MATTER: 18.40 TONS PER YEAR

PARTICULATE MATTER < 10 μM [PM-10]: 17.52 TONS PER YEAR SUBJECT TO NSPS, F.

PARTICULATE EMISSIONS CONTROLLED
BY MEMBRANE FILTER MEDIUM DUST
COLLECTOR. PARTICULATE LOADING IN
THE OUTLET: MAXIMUM 0.005 GRAIN PER
DSCF.

042 TRANSFER TOWER, RAW MATERIALS. STACK ID: 312E

TRANSFER OF RAW MATERIALS (RECEIVED FROM OUTSIDE SOURCES) ONTO
CONVEYOR SYSTEM.

PROCESS RATE LIMITS:

TOTAL RAW MATERIALS TRANSFERRED: 170,000 TONS PER YEAR

EMISSIONS LIMITS:

PARTICULATE MATTER: 1.33 TONS PER YEAR

PARTICULATE MATTER < 10 μM [PM-10]: 1.27 TONS PER YEAR SUBJECT TO NSPS, F.

PARTICULATE EMISSIONS CONTROLLED
BY MEMBRANE FILTER MEDIUM DUST
COLLECTOR. PARTICULATE LOADING IN
THE OUTLET: MAXIMUM 0.005 GRAIN PER
DSCF.

043 TRANSFER TOWER, RAW MATERIALS. STACK ID: 324A

TRANSFER OF RAW MATERIALS (RECEIVED FROM OUTSIDE SOURCES: SILICA SAND, HEMATITE, BOTTOM ASH, AND COAL) ONTO CONVEYOR SYSTEM.

PROCESS RATE LIMITS:

TOTAL RAW MATERIALS TRANSFERRED: 290,000 TONS PER YEAR

EMISSIONS LIMITS:

PARTICULATE MATTER: 1.33 TONS PER YEAR

PARTICULATE MATTER < 10 μM [PM-10]: 1.27 TONS PER YEAR SUBJECT TO NSPS, F AND Y

PARTICULATE EMISSIONS CONTROLLED
BY MEMBRANE FILTER MEDIUM DUST
COLLECTOR. PARTICULATE LOADING IN
THE OUTLET: MAXIMUM 0.005 GRAIN PER
DSCF.

044 TRANSFER TOWER, COAL. STACK ID: 851C

TRANSFER OF COAL RECEIVED FROM OUTSIDE ONTO CONVEYOR SYSTEM.

PROCESS RATE LIMITS:

COAL TRANSFERRED: 122,250 TONS PER YEAR

EMISSIONS LIMITS:

PARTICULATE MATTER: 0.56 TON PER YEAR

PARTICULATE MATTER < 10 μM [PM-10]: 0.53 TON PER YEAR SUBJECT TO NSPS, Y.

PARTICULATE EMISSIONS CONTROLLED
BY MEMBRANE FILTER MEDIUM DUST
COLLECTOR. PARTICULATE LOADING IN
THE OUTLET: MAXIMUM 0.005 GRAIN PER
DSCF.



### ATTACHMENT A CONTINUED...

### GCC Rio Grande, Inc.

Permit No. 98PB0893 Initial Approval - Modification-3 Colorado Depa rtment of Public Health and Environment page 22 Air Pollution Control Division

101/0252/999 ver. 2/00 

# DRAFT

PERMIT

ATTACHMENT A

EQUIPMENT / ACTIVITIES COVERED UNDER THIS FACILITY-WIDE PERMIT

AIRS

ID DESCRIPTION MAKE, MODEL, SERIAL NUMBER, DESIGN RATE, CAPACITY, DIMENSIONS, CONSTRUCTION DETAILS, CONSUMPTION, THROUGHPUT, EMISSION CONTROLS, EMISSIONS REMARKS
SPECIFIC PROVISIONS

045 COAL SILO. STACK ID: 851E

TRANSFER INTO AND OUT OF STORAGE SILO.

PROCESS RATE LIMITS:

COAL TRANSFERRED: 122,250 TONS PER YEAR

EMISSIONS LIMITS:

PARTICULATE MATTER: 0.56 TON PER YEAR

PARTICULATE MATTER < 10 μM [PM-10]: 0.53 TON PER YEAR SUBJECT TO NSPS, Y.

PARTICULATE EMISSIONS CONTROLLED
BY MEMBRANE FILTER MEDIUM DUST
COLLECTOR. PARTICULATE LOADING IN
THE OUTLET: MAXIMUM 0.005 GRAIN PER
DSCF.

046 CEMENT PRODUCT HAULOUT.

TRUCK HAULAGE ON PAVED SURFACES. CEMENT PRODUCT IS HAULED BY
TRUCKS.

PROCESS RATE LIMITS:

CEMENT HAULED OUT BY TRUCKS: 350,000 TONS PER YEAR.

EMISSIONS LIMITS:

PARTICULATE MATTER - FUGITIVE: 7.22 TONS PER YEAR

PM-10 - FUGITIVE: 3.44 TONS PER YEAR FUGITIVE DUST CONTROL MEASURES.

DAILY CLEANING OF THE PAVED HAUL SURFACES, AS NECESSARY, BASED ON
VISUAL INSPECTION.



### END OF ATTACHMENT A.

### GCC Rio Grande, Inc.

Permit No. 98PB0893 Initial Approval - Modification-3 Colorado Depa rtment of Public Health and Environment page 23 Air Pollution Control Division

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# DRAFT

PERMIT

ATTACHMENT B

PARTICULATE EMISSIONS CONTROL PLAN FOR MINING AND PROCESSING ACTIVITIES

THE FOLLOWING PARTICULATE EMISSIONS CONTROL MEASURES SHALL BE USED FOR
COMPLIANCE PURPOSES ON THE ACTIVITIES COVE RED BY THIS PERMIT, AS REQUIRED BY THE AIR QUALITY CONTROL COMMISSION REGUL ATION NO.1, SECTION III. D. 1. b. THIS SOURCE IS
SUBJECT TO THE FOLLOWING EMISSION GUIDELINES:

a. Mining and Processing Activities - Visible emissions not to exceed 20%, no off-property transport of
visible emissions.

b. Haul Roads - No off-property transport of visible emissions shall apply to on-site haul roads, the nuisance guidelines shall apply to off-site haul roads.

c. Haul Trucks - No off-property transport of visible emissions. Mud and dirt carry-out on all haul trucks leaving the facility shall be minimized. Deposition of mud and dirt before entering onto improved public streets and roads shall be prevented, as necessary to control fugitive dust emissions.

Control Measures

Refer to the control measures under BACT condition.

### GCC Rio Grande, Inc.

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# DRAFT

PERMIT

ATTACHMENT C

EMISSION SOURCES REQUIRED TO BE STACK TESTED

1. Raw materials crushers.

2. Preheater / precalciner / kiln / raw mill.

3. Clinker cooler.

4. Coal mill.

5. Cement finish mills.

6. Representative baghouses (at least one in five) id entified in the protocol and approved by the Division.

### GCC Rio Grande, Inc.

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# DRAFT

PERMIT

GENERAL TERMS AND CONDITIONS: (IMPORTANT! READ ITEMS 5,6,7 AND 8 )

1. This permit is issued in reliance upon the accuracy and completeness of information supplied by the applicant and is conditioned upon conduct of the activity, or construction, installation and operation of the source, in accordance with this information and with representations made by the applicant or applicant's agents. It is valid only for the equipment and opera tions or activity specifically identified on the permit.

2. Unless specifically stated otherwise, the general and specific conditions contained in this permit have been determined by the APCD to be necessary to assure compliance with the provisions of Section 25-7- 114.5(7)(a), C.R.S.

3. Each and every condition of this permit is a material pa rt hereof and is not severable. Any challenge to or appeal of, a condition hereof shall constitute a rejecti on of the entire permit and upon such occurrence, this permit shall be deemed denied ab initio . This permit may be revoked at any time prior to final approval by the Air Pollution Control Division (APCD) on grounds set forth in the Colorado Air Quality Control Act and regulations of the Air Quality Control Commission ( AQCC), including failure to meet any express term or condition of the permit. If the Division denies a permit, conditions imposed upon a permit are contested by the applicant, or the Division revokes a permit, th e applicant or owner or operator of a source may request a hearing before the AQCC for review of the Division’s action.

4. This permit and any required attachments must be retained and made available for inspection upon request at the location set forth herein. With respect to a por table source that is moved to a new location, a copy of the Relocation Notice (required by law to be subm itted to the APCD whenever a portable source is relocated) should be attached to this permit. The permit may be reissued to a new owner by the APCD as provided in AQCC Regulation No. 3, Part B, Section I II. B. upon a request for transfer of ownership and the submittal of a revised APEN and the required fee.

5. Issuance (initial approval) of an emission permit doe s not provide "final" authority for this activity or operation of this source. Final approval of the pe rmit must be secured from the APCD in writing in accordance with the provisions of 25-7-114.5(12)(a) C.R. S. and AQCC Regulation No. 3, Part B, Section IV. H. Final approval cannot be granted until the opera tion or activity commences and has been verified by the APCD as conforming in all respects with the conditi ons of the permit. If the APCD so determines, it will provide written documentation of such final appr oval, which does constitute "final" authority to operate. Compliance with the permit conditions must be demonstrated within 180 days after commencement of operation.

6. THIS PERMIT AUTOMATICALLY EXPIRES IF you (1) do not commence construction or operation
within 18 months after either the date of issuance of this permit or the date on which such construction or activity was scheduled to commence as set forth in the permit, whichever is later; (2) discontinue construction for a period of 18 months or more; or (3 ) do not complete construction within a reasonable time of the estimated completion date. Extensions of the expiration date may be granted by the APCD upon a showing of good cause by the permittee prior to the expiration date.

7. YOU MUST notify the APCD at least thirty days (fifteen days for portable sources) prior to commencement of the permitted operation or activity . Failure to do so is a violation of Section 25-7- 114.5(12)(a), C.R.S. and AQCC Regulation No. 3, Part B, Section IV. H. 1., and can result in the revocation of the permit. You must demonstrate compliance with the permit conditions within 180 days after commencement of operation as stated in condition 5.

8. Section 25-7-114.7(2)(a), C.R.S. re quires that all sources required to file an Air Pollution Emission Notice (APEN) must pay an annual fee to cover the costs of inspections and administration. If a source or activity is to be discontinued, the owner must notify the Divi sion in writing requesting a cancellation of the permit. Upon notification, annual fee billing will terminate.

9. Violation of the terms of a permit or of the provi sions of the Colorado Air Pollution Prevention and control Act or the regulations of the AQCC may result in admi nistrative, civil or criminal enforcement actions under Sections 25-7-115 (enforcement), -121 (injunc tions), -122 (civil penalties), -122.1 (criminal penalties), C.R.S.