### Texas: TX Ch 117.E.2 (TXd099) §§117.3100-117.3145: CEMENT KILNS; SIP effective... Page 1of2



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## I Main Heading:1 TX Chap 117 (Reg 7) - Control ofAir Pollution from Nitrogen Compounds; SIP effective 2009-01-02, 2009-02-13, 2009-09-29

1 Subheading:IISubchap E: Multi-Region Combustion Control 

## I Item SUbPart:1 TX Ch 117.E.2 (TXd099) §§117.3100-117.3145: CEMENT KILNS; SIP effective 2009-02-13 (TXd99) 

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# I

Regulatory Text: Texas Chapter 117

- Control of Air Pollution From Nitrogen Compounds SUBCHAPTER E: MULTI-REGION COMBUSTION CONTROL DIVISION 2: CEMENT KILNS Adopted by TCEQ May 23, 2007 effective June 14, 2007 (7-27). Submitted to EPA May 30, 2007. Approved by EPA January 14, 2009 (74 FR 1927) effective February 13, 2009 (TXd99). SIP-approved rules in attached file: 7E2d099 19 pages 482 KB rnxe 

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### 1--1 TX Ch117E2 TXd99 §§117.31 00-117.3145; Cement Kilns; SIP Elf 2009-02·13 TXd99 m>:e.pdf Outline: §117.3100. Applicability. 7-27 (page 412), TXd99 

### http://yosemite.epa.gov/r6/Sip0304.nsf/dc994a1edbcf32c08625651c00552ed8/856ccc27bb... 6/27/2012 v Citations & Dates State SIP Citation#:1 State Effective Date:1 Federal SIP Citation#:1 Federal Effective Date:

## 1 Federal Register Citation#:1 Federal Register Publication Date:1 Codification

## #:1 CFR Citation#:1

### Texas: TXCh 117.E.2 (TXd099) §§ 117.3100-117.3145: CEMENT KILNS; SIPeffective... Page 2 of2

§117.3101. Cement Kiln Definitions. 7-27 (page 413), TXd99 §117.3103. Exemptions. 7-27 (page 415), TXd99 §117.3110. Emission Specifications. 7-27 (page 415), TXd99 §117.3120. Source Cap. 7-27 (page 417), TXd99 §117.3123. Dallas-Fort Worth Eight-Hour Ozone Attainment Demonstration Control Requirements. 7-27 (page 420), TXd99 §117.3140. Continuous Demonstration of Compliance. 7-27 (page 422), TXd99 §117.3142. Emission Testing and Monitoring for Eight-Hour Attainment Demonstration. 7-27 (page 423), TXd99 §117.3145. Notification, Recordkeeping, and Reporting Requirements. 7-27 (page 426), TXd99 **********************************end outline tx7E2d099 ***************************mxe***

TIlis SIP Citation Was Last Modified on: 10/13/2009



### ·http://yosemite.epa.gov/r6/Sip0304.nsf/dc994aledbcf32c08625651c00552ed8/856ccc27bb... 6/27/2012

### Texas Chapter 117

- ControlofAirPollution FromNitrogen Compounds SUBCHAPTERE: MULTI-REGION COMBUSTION CONTROL DIVISION2: CEMENT KILNS Adopted by TCEQMay 23, 2007 effective June 14, 2007 (7-27). SubmittedtoEPAMay30, 2007. ApprovedbyEPAJanuary 14,2009 (74 FR 1927) effective February 13, 2009 (TXd99). Outline: §117.3100. Applicability. 7-27 (page412), TXd99 §117.3101. CementKiln Definitions. 7-27 (page413), TXd99 §117.3103. Exemptions. 7-27 (page415), TXd99 §117.3110. Emission Specifications. 7-27 (page415), TXd99 §117.3120. Source Cap.7-27 (page417), TXd99 §117.3123. Dallas-FortWorthEight-Hour OzoneAttainmentDemonstration Control Requirements. 7-27 (page420), TXd99 §117.3140. ContinuousDemonstration ofCompliance. 7-27 (page422), TXd99 §117.3142. Emission Testing and MonitoringforEight-HourAttainmentDemonstration. 7-27 (page423), TXd99 §117.3145. Notification, Recordkeeping, and ReportingRequirements. 7-27 (page 426), TXd99 ****************************end outlinetx7E2d099 *********************mx9***SUBCHAPTERE: MULTI-REGION COMBUSTION CONTROL DIVISION2: CEMENT KILNS §§117.3100, 117.3101, 117.3103, 117.3110, 117.3120, 117.3123, 117.3140, 117.3142, 117.3145 SfATUTORY AUTHORITY The new sections are adopted under Texas Water Code, §5.102, concerning General Powers, §5.103, concerning Rules, and §5.105, concerning General Policy, which authorize the commission to adopt rules necessary to carry out its powers and duties under the Texas Water Code. 

### In addition, the sections are adopted under Texas Health and Safety Code, §382.002, concerning Policy and Purpose, which states the policy and purpose ofthe State ofTexas and the Texas Clean AirAct; §382.011, concerning General Powers and Duties, whichprovides the commission with the authority to establish the level of quality to be maintained in the state's air and the authority to control the quality ofthe state's air; §382.012, concerning State Air Control Plan, which requires the commission to develop plans for protection ofthe state's air; §382.014, concerning Emission Inventory, which authorizes the commission to require submission information relating to emissions ofaircontaminants; §382.016, concerning Monitoring Requirements; Examination ofRecords, which authorizes the commission to prescribe requirements for owners oroperators ofsources to make and maintain records ofemissions measurements; §382.017, concerning Rules, which provides the commission the authority to adopt rules consistent with the policy and purposes ofthe Texas Clean Air Act; §382.021, concerning Sampling Methods and Procedures, which authorizes the commission to prescribe the sampling methods and procedures; and §382.051(d), concerning Permitting Authority ofCommission Rules, which authorizes the commission to adopt rules as necessary to comply with changes in federal law or regulations applicable to permits under Chapter 382. 

### In addition, the new sections are adopted under federal mandates contained in 42 United States Code, §§7401 

### etseq., which require states to adopt



# .. pollution control measures in order to reach specific air quality standards in particular areas ofthe state. The adopted sections implementTexas Health and Safety Code, §§382.002, 382.011, 382.012, 382.014,382.016,382.017,382.021, and 382.051(d). §117.3100. Applicability.



# .. This division (relating to Cement Kilns) applies to each portland cement kiln in Bexar, Comal, Ellis, Hays, and McLennan Counties.

412§117.3101. Cement Kiln Defmitions. Unless specifically defined in the Texas Clean Air Act (TCAA) or in the rules ofthe commission, the terms used by the commission have the meanings commonly used in the field ofair pollution control. In addition to the terms that are defined by the TCAA, the following terms, when used in this division (relating to Cement Kilns), have the following meanings, unless the context clearly indicates otherwise. Additional definitions for terms used in this division are found in §§3.2, lOLl, and 117.10ofthis title (relating to Definitions). (1) Clinker--Theproduct ofa portland cement kiln from which finished cement is manufactured by milling and grinding. (2) Indirect-firing system--A system that reduces the amount ofprimary air used in a cementkiln by: (A) separating the powdered fuel from the air stream that carries the fuel from the drying/milling equipment; (B) storing the fuel briefly; and (C) using an independent, significantly smaller stream ofhot primary air to blow the fuel to the burner. (3) Long 

### dry kiln--A kiln that employs no preheating ofthe dry feed. The inlet feed to the kiln is dry. (4) Long wet kiIn--A kiln that employs no preheating ofthe dry feed. The inlet feed to the kiln is a slurry. (5) Low-NOx burner--Either ofthe following:

413(A) for long wet kilns, combustion equipment designed to reduce flame turbulence, delay fuel/air mixing, and establish fuel-rich zones for initial combustion; or (B) a type ofcement kiln burner that results in decreasing nitrogen oxides emissions and that has an indirect-firing system and a series ofchannels or orifices that: (i) allow for the adjustment ofthe volume, velocity, pressure, and direction ofthe air carrying the fuel (known as primary air) and the combustion air (known as secondary air) into the kiln; and(ii) impart high momentum and turbulence to the fuel stream to facilitate mixing ofthe fuel and secondary air. (6) Low-NOx precalciner--A process in which a portionofthe fuel is injected near the raw material feed end ofa preheater or precalciner kiln, resulting in a reducing atmosphere in the preheater or precalciner. (7) Mid-kiln firing--Secondary combustion in long dry or long wet kilns by injecting solid fuel at (or to) an intermediate point inthe kiln using a specially-designed feed injection mechanism for the purpose ofdecreasing nitrogen oxides emissions through: (A) burning part ofthe fuel at a lower temperature; and (B) reducing conditions at the solid fuel injectionpoint that may destroy some ofthe nitrogen oxides formed upstream in the kiln burning zone. (8) Portlandcement--A hydraulic cement produced by pulverizing clinker consisting essentially ofhydraulic calcium silicates, usually containing one ormore ofthe forms ofcalcium sulfate as aninterground addition.

414(9) Portlandcement kiln--A system, including any solid, gaseous, or liquid fuel



# .. combustion equipment, used to calcine and fuse raw materials, including limestone and clay, to produce portland cementclinker. (10) Precalcinerkiln--A kiln where the feed to the kiln system is preheated in cyclone chambers and utilizes a second burner to calcine material in a separate vessel attached to the preheater before the final fusion in a kiln that forms clinker. (11) Preheaterkiln--A kiln where the feed to the kiln system is preheated in cyclone chambers before the final fusion in a kiln that forms clinker. (12) Secondary combustion--A system that employs a second combustion point in addition to the primary flame. This definition includes mid-kiln firing in long dry and long wet kilns, and also additional combustion at the raw material feed end ofthe kiln in preheater-precalciner kilns. §1l7.3103. Exemptions. (a) Portland cement kilns exempted from the provisions ofthis division (relating to Cement Kilns), include any portland cement kiln placed into service on or after December 31, 1999, except as specified in §§1l7.3110, 117.3120, and 117.3123 ofthis title (relating to Emission Specifications; Source Cap; and Dallas-Fort Worth Eight-Hour Ozone Attainment Demonstration Control Requirements). (b) Any account in Ellis County with no portland cement kilns in operation prior to January 1, 2001, is exempt from §1l7.3123 ofthis title. (c) After the compliance date specified in §1l7.9320(c) ofthis title (relating to Compliance Schedule for Cement Kilns), portland cement kilns that are subject to §117.3123 ofthis title are exempt from §1l7.3110 and §117.3120 ofthis title between March 1and October 31 ofeach calendar year. §1l7.31l0. Emission Specifications.

415(a) In accordance with the compliance schedule 

### in §1l7.9320 ofthis title (relating to Compliance Schedule for Cement Kilns), the owner or operator ofeach portland cement kiln shall ensure that nitrogen oxides 

### (NOx) emissions do not exceed the following rates ona 30-day rolling average. For the purposes ofthis section, the 30-day rolling average is calculated as the total ofall the hourly emissions data (inpounds) that fuel was combusted in a cement kiln 

### in the preceding 30 consecutive days, divided by the total number oftons ofclinker produced in that kiln during the same 30-day period: (1) for each long wet kiln: (A) 

### in Bexar, Comal, Hays, and McLennan Counties, 6.0pounds perton (lb/ton) ofclinker produced; and (B) in Ellis County, 4.0 lb/ton ofclinkerproduced; (2) for each long dry kiln, 5.1 lb/ton ofclinker produced; (3) for eachpreheater kiln, 3.8 lb/ton ofclinkerproduced; and (4) for eachpreheater-precalcinerorprecalcinerkiln, 2.8 lb/ton ofclinker produced.



# ..

# -X:' (b) Ifthere are multiple cement kilns at the same account, the owner or operator may choose to comply with the emission specifications ofsubsection (a) ofthis section on the basis ofa weighted average for the cementkilns at the account that are subject to the same specification. Each owneror operator choosing this option shall submit written notification ofthis choice to the executive director, the appropriate regional office, and any local air pollution control program withjurisdiction before the appropriate compliance date in §117.9320ofthis title. (c) Each long wet orlong dry kiln for which the following controls are installed and operated during kiln operation is not required to meet the 

### NOx emission specifications ofsubsection (a) ofthis section, provided that each owner or operator choosing this option submits written notificationofthis

416choice to the executive director, the appropriate regional office, and any local air pollution control



# .. program withjurisdictionbefore the appropriate compliance date in §117.9320 ofthis title: (1) a 10w-NOx burner and either: (A) mid-kiln firing; or (B) some other fonn ofsecondary combustion achieving equivalent levels of NOx reductions; or alternatively; (2) other additions or changes to the kiln system achieving at least a 30% reduction in NOx emissions, provided the additions or changes are approved by the executive director with concurrence from the United States Environmental Protection Agency. (d) Each preheater or precalciner kiln for which either a 10w-NOx burner or a 10w-NOx precalciner is installed and operated during kiln operation is not required to meet the NOx emission specifications ofsubsection (a) ofthis section. Each owner or operator choosing this option shall submit written notification ofthis choice to the executive director, the appropriate regional office, and any local air pollution control programwithjurisdiction before the appropriate compliance date in §117.9320 ofthis title. (e) Anowneroroperator may use §117.9800 ofthis title (relating to Use ofEmission Credits for Compliance) to meet the NOx emission control requirements ofthis section, in whole orin part. §117.3120. Source Cap. (a) As an alternative to complying with the requirements of §117.3110 ofthis title (relating to Emission Specifications) in Bexar, Comal, Ellis, Hays, and McLennan Counties, an owner or operator may reduce total nitrogen oxides (NOx) emissions (inpounds per day (ppd» from all cementkilns at the account (including any cementkilns placed into service on orafter December 31, 1999) to at least 30% less than the total NOx emissions (in ppd) from all cement kilns in the account's 1996 emissions inventory (EI), on a 90-day rolling average basis. For the purposes ofthis section, the 90-day rolling

417average is calculated as the total ofall the hourly emissions data for the preceding 90 days. For the calendaryear that includes the appropriate compliance date in §117.9320 ofthis title (relating to Compliance Schedule for Cement Kilns), only hourly emissions data onorafter that compliance date is included, such that the first 90-day period ends 90days after the appropriate compliance date in §I17.9320ofthis title. A 90-day rolling average emission cap must be calculated using the following equation. Figure: 30TAC §I17.3120(a)

N 

### Cap=O.7IRj**i~I** Where: Cap 

## = 90-day roIling average 

### NOx emission cap, inppd;

= each cement kiln at a single account; N = the total number ofcement kilns at the account; and

... = the kiln's ozone season daily 

### NOx emission rate (in ppd) reported in the account's 1996 EI. (b) To qualify for the source cap option available under this section, the owner or operator shall submit an initial control plan to the executive director, the appropriate regional office, and any local air pollution control program withjurisdiction that demonstrates that the overall reduction of

### NOx emissions from all cementkilns at the account will be at least 30% from the 1996 baseline EI on a 90­ day rolling average basis. The planmust be submitted no later than December 31 ofthe year preceding the appropriate compliance date in §I17.9320 ofthis title. Each control plan must be approved by the executive director before the owner or operator may use the source cap available under this section for compliance. At a minimum, the control plan must include the emission point number (EPN), facility identification number (FIN), and 1996 baseline EI 

### NOx emissions (in ppd) from each cementkiln at the

... account; a description ofthe control measures that have been or will be implemented at each cement

418



### ...'r

kiln; and an explanation ofthe recordkeeping procedure and calculations that will be used to**~.** demonstrate compliance. (c) Beginning on March 31 ofthe year following the appropriate compliance date in §117.9320 ofthis title, the owner or operator shall submit an annual report no later than March 31 ofeach year to the executive director, the appropriate regional office, and any local air pollution control program with jurisdiction that demonstrates that the overall reduction ofNOx emissions from all cement kilns at the account is at least 30% from the 1996 baseline EI ona 90-day rolling average basis. At a minimum, the report must include the EPN, FIN, and each90-day rolling average NOx emissions (in ppd) during the preceding calendar year for the cement kilns at the account. (d) All representations in control plans and annual reports become enforceable conditions. The owner or operator shall notvary from such representations ifthe variation will cause a change in the identity ofthe specific cement kilns subject to this section orthe method ofcontrol ofemissions unless the owner oroperator submits a revised control plan 

### to the executive director, the appropriate regional office, arxi any local air pollution control program withjurisdiction no later than 30 days after the change. All control plans and reports must demonstrate that the total NOx emissions (in ppd) from all cement kilns at the account (including any cement kilns placed into service on orafter December 31, 1999) are being reduced to at least 30% less than the total NOx emissions (in ppd) from all cement kilns in the account's 1996 EI on a 90-day rolling average basis. (e) The NOx emissions monitoring required by §117.3140 ofthis title (relating to Continuous Demonstration ofCompliance) for eachcement kiln in the source cap must be used to demonstrate continuous compliance with the source cap. (t) An owneroroperator may use §117.9800 ofthis title (relating to Use ofEmission Credits for Compliance) to meet the NOx emissioncontrol requirements ofthis section, in whole orin part.

419§117.3123. Dallas-FortWorth Eight-Hour Ozone AttainmentDemonstration Control Requirements. (a) In accordance with the compliance schedule in §117.9320(c) ofthis title (relating to Compliance Schedule for Cement Kilns), the owner or operator ofany portland cementkiln located in Ellis County shall not allow the total nitrogen oxides (NOx) emissions from all cementkilns located at the account to exceed the source cap limitation determined according to subsection (b) ofthis section. The source cap limitation ofthis section only applies from March 1 through October 31 ofeach calendar year. Compliance with the 30-day rolling average cap must be demonstrated beginning on March 31 ofeach calendar year. (b) The NOx source cap for an account subject to this section must be calculated according to the following equation. Figure: 30 TAC §117.3123(b)

Where: Cap8hour 

## = total allowable NOx emissions from all cement kilns located at an account, tons per day, 30-day rolling average basis;

= 1.7 pounds NOx per ton ofclinker for dry preheater-precalciner orprecalciner kilns; 

### Kw 3.4pounds NOx per ton ofclinker for long wet kilns; 

### ND = the average annual production in tons ofclinker plus one standard deviation for the calendar years 2003,2004, and 2005, as reported to the commission's Industrial Emissions Assessment Section, from all dry preheater-precalciner or precalciner kilns located at the account; and 

### Nw = the average annual production in tons ofclinkerplus one standard deviation for the calendar years 2003, 2004, and 2005, as reported to the commission's Industrial Emissions Assessment Section, from all long wet kilns located at the account.

420

# ..



# .. (c) The monitoring required by §117.3142 ofthis title (relating to Emission Testing and Monitoring for Eight-Hour Attainment Demonstration) for each cement kiln subject to this section must be used to demonstrate continuous compliance with the source cap requirements ofthis section. Compliance with the source cap must be demonstrated on a 3D-day rolling average basis, calculated according to §117.3142 ofthis title. (d) For any portland cement kiln not operational prior to calendar year 2006 and that is located at an account subject to this section, the following requirements apply. (1) The cement kiln is subject to the source cap ofthis section but must not be included in the source cap calculation in subsection (b) ofthis section. (2) The requirements of §117.3142 ofthis title and §117.3145 ofthis title (relating to Notification, Recordkeeping, and Reporting Requirements) apply. (3) The NOx emissions from the kiln must be included in the calculation of3D-day rolling average NOx emissions according to §117.3142 ofthis title for compliance with the source cap in subsection (b) ofthis section. (e) The owner or operator ofeach portland cement kiln located in Ellis County shall submit a control plan to the Office ofCompliance and Enforcement, the appropriate regional office, and the ChiefEngineer's Office, for compliance with the source cap in subsection (b) ofthis section. The plan mustbe submitted according to the compliance schedule in §117.932D( c) ofthis title. (1) At a minimum, the control plan must include: (A) the emission point number for each kiln at the account; (B) the facility identification number for each kiln at the account;

421(C) the source cap for the account calculated according to the equation in subsection (b) ofthis section; and (0) a description ofthe control measures that have been orwill be implemented for each cement kiln for compliance with the source cap. (2) A revised control planmay be sUbmitted by the owner or operator, along with any required permit applications. Such a plan must adhere to the requirements ofthis division (relating to Cement Kilns). (t) (NOT PART OFSIP REVISION) (g) An owner or operator may use §117.9800ofthis title (relating to Use ofEmission Credits for Compliance) to meet the NOx emission control requirements ofthis section, in whole or in part. 

### §117.3140. Continuous Demonstration ofCompliance. (a) Nitrogen oxides (NOx) monitors. In accordance with the compliance schedule in §117.9320 ofthis title (relating to Compliance Schedule for Cement Kilns), the owner or operator shall install, calibrate, maintain, and operate a continuous emissions monitoring system (CEMS) orpredictive emissions monitoring system (PEMS) to monitor kiln exhaust NOx. (b) CEMS requirements. The owner or operator ofany CEMS used to meet the monitoring requirement ofsubsection (a) ofthis section shall comply with the following. (1) The CEMS must meet the requirements of40 Code ofFederal Regulations Part 60 as follows: (A) §6O.13; (B) Appendix B, Performance Specification2, for NOx; and

422(C) audits in accordance with Section 5.1 ofAppendix F. quality assurance procedures. except that a cylinder gas audit Or relative accuracy audit may be performed in lieu ofthe annual relative accuracy test audit (RATA) required 

### in Section 5.1.1. (2) One CEMS may be shared among kilns. provided: (A) the exhaust stream ofeach kiln is analyzed separately; and (8) the CEMS meets the certification requirements ofparagraph (1) ofthis subsection for each exhaust stream. (3) The CEMS is subject to the approval ofthe executive director. (c) PEMS requirements. The owner or operator ofany PEMS used to meet the monitoring requirement ofsubsection (a) ofthis section shall comply with the following. (1) The PEMS mustpredict the NOx emissions in the units ofthe applicable emission limitations ofthis division (relating to Cement Kilns). (2) The PEMS must meet the requirements of §I17.8100(b) ofthis title (relating to Emission Monitoring System Requirements for Industrial, Commercial. and Institutional Sources). §1l7.3142. Emission Testing and Monitoring for Eight-Hour Attainment Demonstration. (a) An owner oroperator ofany portland cement kiln that is subject to the source cap of §117.3123 ofthis title (relating to Dallas-Fort Worth Eight-Hour Ozone Attainment Demonstration Control Requirements) shall comply with the following monitoring requirements. (1) The nitrogen oxides (NOx) monitoring requirements of §117.3140 ofthis title (relating to Continuous Demonstration ofCompliance) apply. The following requirements also apply.

423(A) For a single portland cement kiln with multiple exhaust stacks, each individual stack mustbe analyzed separately. (B) One continuous emission monitoring system(CEMS) may be shared among portlandcement kilns or among multiple exhaust stacks on a single portland cementkiln, provided: (i) the exhaust stream ofeach stack is analyzed and reported separately; and (ii) the CEMS meets the certification requirements of§1l7.3140(b) of this title for eachexhaust stream while the CEMS is operating in the time-shared mode. (C) Allbypass stacks mustbe monitored continuously, in order to quantify emissions directed through the bypass stack. Ifthe CEMS is located upstream ofthe bypass stackthen:

... (i) noeffluent streams from otherpotential sources ofNOx emissions may be introducedbetween the CEMS and the bypass stack; and (ii) the owner or operator shall install, operate, and maintain a continuous monitoring system to record automatically the date, time, and duration ofeach event when the bypass stack is open. (2) Stack exhaust flow rate must be monitored with a flow meterusing the monitoring specifications of40 Code ofFederal Regulations (CPR) Part 60, Appendix B, Performance Specification 6 or 40 CPR Part 75, Appendix A. 

### ,. (3) Forportlandcement kilns that inject ammoniaor ureafor NOx control, fuel type notwithstanding, ammonia emissions must be monitored according to one ofthe methods specified in §1l7.8130(l), (2), or (4) ofthis title (relating to Ammonia Monitoring) to demonstrate compliance with the ammonia emission specification in §1l7.3123(f) ofthis title. The ammonia monitoring requirements ofthis paragraph only apply from March 1 to October 31 ofeach calendar year, or any other time the owneror operator injects ammonia or urea for NOx control.

424(4) Installation ofmonitors must be performed in accordance with the schedule specified in §117.9320(c) ofthis title (relating to Compliance Schedule for Cement Kilns). (b) The owner or operator ofa portland cement kiln subject to the source cap requirements of §117.3123 ofthis title shall calculate NOx emissions for determining compliance with the sourcecap as follows. The calculation requirements ofthis subsection only apply from March 1 to October 31 ofeach calendar year. (1) Hourly NOx emissions. Hourly NOx emissions for each kiln must be calculated according to the following equation. Figure: 30 TAC §1l7.3142(b)(l)
EH

### =C x F x K x 60min hour Where: EH = total hourly NOx emissions from each kiln located at the account, in pounds per hour; C the blockhour average NOx concentration, determined in accordance with subsection (a)(1) ofthis section, in parts per million by volume (ppmv), dry basis; F = the block average exhaust flow rate, determined in accordance with subsection (a)(2) ofthis section, in dry standard cubic feet perminute; and K conversion factor, 1.194 x 

### 10-7 pounds per standard cubic foot perppmv (40 CFRPart 60, Appendix A, Method 19, Table 19-1). (2) Daily NOx emissions. The daily total NOx emission for each kiln must be calculated as the sum ofthe hourly NOx emissions for each calendar day, reported in tons per day, and must be calculated according to the following equation. Figure: 30TAC §1l7.3142(b)(2)
425N 

### IEH j 

### ED :::; ....:.i=--,l__ 

### 2000 Where: ED = total daily NOx emissions from each kiln located at the account, in tons per day; 

### EH total hourly NOx emissions from each kiln located at the account, in pounds per hour calculated according to the equation in subsection (b)(l) ofthis section; and N number ofhours ofoperationper day for each kiln located at the account, in hours. (3) Thirty-day rolling average. The 30-day rolling average NOx emissions for the account must be calculated according to the following equation. Figure: 30TAC §117.3142(b)(3)

K N 

### ""ED.. L...L... 10) E _i=_l...:..j=_l__

30day 

# = N
Where: E30day = 30-day rolling average NOx emissions in tons per day for the account, computed for the preceding 30 days; ED total daily NOx emissions from each kiln located at the account, in tons per day, calculated according to the equation in subsection (b)(2) ofthis section; K 

## = number ofkilns located at the account; and N = preceding 30 days. 

### §117.3145. Notification, Recordkeeping, andReporting Requirements. 426(a) Notification. The owner oroperator ofeach portland cement kiln shall submit verbal notification to the executive director ofthe date ofany continuous emissions monitoring system (CEMS) orpredictive emissions monitoring system (PEMS) performance evaluation conducted under §117.3140 or §117.3142 ofthis title (relating to Continuous Demonstration ofCompliance; and Emission Testing and Monitoring for Eight-Hour Attainment Demonstration) at least 15 days before such date followed by written notification within 15 days after testing is completed. (b) Reporting oftest results. The owner or operator ofeach portland cement kiln shall furnish the executive director and any local air pollution control agency havingjurisdictiona copy ofany CEMS or PEMS relative accuracy test audit conducted under §117.3140 or §117.3142 ofthis title: (1) within 60 days after completion ofsuch testing orevaluation; and (2) not later than the appropriate compliancedate in §117.9320 ofthis title (relating to Compliance Schedule for Cement Kilns). (c) Recordkeeping. The owner or operator ofa portland cement kiln subject to the requirements ofthis division (relating to Cement Kilns) shall maintain written orelectronic records ofthe data specified in this subsection. Such records must be kept for a period ofat least five years and mustbe made available upon request by authorized representatives ofthe executive director, United States Environmental Protection Agency, or local air pollution control agencies havingjurisdiction. The records must include: (1) for each kiln subject to §117.3110 or 117.3120 ofthis title (relating to Emission Specifications; and Source Cap), monitoring records of: (A) daily and rolling 30-day average (and, for each kiln subject to the source cap in §117.3120 ofthis title, rolling 9O-day average) nitrogen oxides (NOx) emissions (inpounds);

427(B) daily and rolling 30-day average (and, for each kiln subject to the source cap in §117.3120 ofthis title, rolling 90-day average) production ofclinker (in United States short tons); and (C) average NOx emissionrate (in pounds per ton (lb/ton) ofclinker produced) onthe basis ofa rolling 30-day average (and, for each kiln subject to the source cap in §117.3120of this title, a rolling 90-day average); (2) records ofthe results ofinitial certification testing, evaluations, calibrations, checks, adjustments, and maintenance ofCEMS and PEMS; (3) records ofthe results ofany stacktesting conducted; and (4) for each kiln subjectto the source cap in §117.3123 ofthis title (relating to DallasFort Worth Eight-Hour Ozone Attainment Demonstration Control Requirements) and emission testing and monitoring requirements in §117.3142 ofthis title: (A) records ofthe control plan requiredunder §117.3123 ofthis title; (B) hourly records ofthe average NOx concentration in partsper million by volume; (C) hourly records ofthe NOx emissions in pounds per hour; (D) daily records ofthe NOx emissions in tons per day; (E) daily records ofthe NOx emissions in tons perday expressed as a 30-day rolling average; (F) hourly records ofthe average exhaust gas flow rate in dry standard cubic feet per minute; and

428(G) records ofammonia monitoring requiredunder §1l7.3142(a)(3) ofthis 

# '. title.

429