( Adopted: 02/22/95; Amended: mm/dd/yy)

MDAQMD Rule 1159 1159-1 Stationary Gas Turbines D7, 09/24/2009 

## RULE 1159

Stationary Gas Turbines

(A) General

(1) Purpose:

(a) The purpose of this Rule rule is to limit the emission of oxides of nitrogen from commercial, industrial and institutional stationary Stationary gas Gas
turbines Turbines

.

(2) Applicability:

(a) This rule applies to any new or existing non-utility combined

- cycle

, commercial, industrial or institutional stationary Stationary gas Gas
turbine Turbine of 0.3 megawatt (MW) and larger unless the equipmen t is exempt from this rule pursuant to Section (D) of th is rule

. or the turbine is
located outside of the Federal Ozone Non

- attainment Area of the Mo jave Desert Air Quality Management District (District)

. [Applicability changed to allow rule to be enforced district wide]



### (B) Definitions

(1) “Air Pollution Control Officer (APCO)” – The pe rson appointed to the position of Air Pollution Control Officer of the District pursu ant to the provisions of California Health & Safety Code §40750, and his or her designee. [Derived from MDAQMD Rule 1301]

(2) “ Continuous Emissions Monitoring System ( CEMS ) ” – Continuous Emissions Monitoring System All of the equipment that may be required to meet the data acquisition and availability requirements of this r ule, to sample, condition (if applicable), analyze, and provide a record of emiss ions on a continuous basis. [Derived from 40 CFR 51.165(a)(1)(xxxi)]

(3) “Dry Low NO X Combustion Technology (DLN)” – Any turbine combust or design which uses multiple staging, air/fuel premixing or other modifications to achieve
lower levels of NO X emissions as compared to conventional combustors. [Derived from SJVUAPCD Rule 4703 §3.7]

(1) " Combined

- cycle Unit "

- Any stationary gas turbine operated both for the production of electrical energy from shaft work and the useful energy produced from heat recovered from its exhaust gases. [This rule is not applicable to combined cycle units and definition not used]1159-2 MDAQMD Rule 1159 Stationary Gas Turbines D7, 09/24/2009 ( 2 4 ) “ " Emission Control System Operating Parameters ”

– "

- Any operating parameter(s) that the District deems necessary to a nalyze for the determination of compliance. Such parameters include, but are not l imited to, the ammon ia and gas flow rates, the exhaust temperature for the Selective Cataly tic Reduction ( SCR ) , humidity, water injection rate, exhaust gas flow rate and the temperature for water injection. [Alphabetical order corrected.]

( 3 5 4 ) “" Emergency Standby Unit ” – "

- Any stationary Stationary gas Gas turbine
Turbine that operates as a mechanical or electrical power s ource for a facility only when the primary power source has been rendered ino perable due to failure beyond the reasonable control of the operator. A p ower interruption pursuant to a voluntary interruptible power supply agreement is n ot to be considered as an emergency loss of primary power. Electricity gener ated by such a unit cannot be
sold.

(5) “Emission Control Equipment” – Add-on technolog ies which control the turbine's emissions, including, but not limited to, Selective Catalytic Control (SCR), water injection, steam injection, but excluding DLN. [Added in response to public comment]

(6) “Emission Control System Operating Parameters” – Any operating parameter(s) that the District deems necessary to analyze for th e determination of compliance. Such parameters include, but are not limited to, th e ammonia and gas flow rates, the exhaust temperature for the Selective Catalytic Reduction (SCR), humidity, water injection rate, exhaust gas flow rate and the temperature for water injection.

( 4 6 7 ) “" Enhanced Emissions Monitoring Device ” – "

- Any automated data recording device or system having both data gathering and ret rieval capabilities. Such equipment includes, but is not limited to, Continuo us Emissions Monitoring Systems (CEMS) and Predictive Emissions Monitoring Systems (PEMS).

( 5 7 ) " Federal Ozone Non

- attainment Area" That portion of San Bernardino County that lies within the lines which begin at: (a) the San Bernardino

- Riverside County boundary, running north along the range line common to Range 3 East and Range 2 East; (b) then west along the township line common to Township 2 North and Township 3 North; (c) then north along t he San Bernar dino

- Los Angeles County and San Bernardino

- Kern County Boundaries; (d) then east along ;latitude 35 degrees, 10 minutes north; (e) then south along longitude 115 degrees, 45 minutes west and westward along the San Bernardino

- Riverside
Counties boun dary.(see Map 1). [Applicability changed to allow rule to be enforced district wide, definition no longer used]

( 6 7 8 ) “" Higher Heating Value (HHV) ” – "

- The higher Higher heating Heating value
Value of the fuel.

( 7 8 9 ) “" Lower Heating Value (LHV) ” – "

- The lower Lower heating Heating value
Value of the fuel.MDAQMD Rule 1159 1159-3

Stationary Gas Turbines D7, 09/24/2009 ( 8 9 10 ) “" Measured NO X NOx Emissions Concentration ” – "

- The concentration of oxides of nitrogen corrected to International Stand ards Organization (ISO)
standard conditions:

NO X NOx = ( NO X N Ox obs)(Pref/Pobs) 0.5 (288 K/Tamb) 1.53 (e 19(Hobs-0.00633) )

Where: NO X NOx = emissions of NO X NOx at 15 percent oxygen and ISO

standard conditions on a dry basis, ppm.

NO X NOx obs = measured NO X NOx emissions corrected to 15 percent oxygen on a dry basis, ppm. Pref = standard reference pressure, (14.696 psia). Pobs = measured site ambient absolute pressure, psi a. Hobs = measured humidity of ambient air, pounds wat er per pound dry air. e = transcendental constant (2.718) Tamb = measured temperature of ambient air, degrees K.

or an alternate calculation that corrects to ISO st andard conditions and is approved by the APCO.

( 10 ) “PEMS”

– Predictive Emissions Monitoring System [Alphabetical order corrected.]

( 9 11 11 ) “" Power Augmentation ” – "

- An increase in the gas turbine shaft output and/or the decrease in gas turbine fuel consumption by the addition of energy
recovered from exhaust heat.

(12) “Predictive Emissions Monitoring System (PEMS) ” – All of the equipment necessary to monitor process and control device ope rational parameters (for example, control device secondary voltages and elec tric currents) and other information (for example, gas flow rate, O 2 or CO 2 concentrations), and calculate and record the mass emissions rate (for example, lb /hr) on a continuous basis. [Derived from 40 CFR 51.165(a)(1)(xxxii)]

( 10 12 13 ) " “ Public Service Unit ” – "

- A stationary Stationary gas Gas turbine
Turbine used to generate electricity for sale or for use in serving the public.

(14) “Rating” – The continuous megawatt (MW) Rating or mechanical equivalent by a manufacturer for gas turbine(s) without Power Augme ntation.

( 1 3 15 ) “Reasonably Available Control Technology (RACT)” – The lowest emission limitation that a particular source is capable of m eeting by the application of control technology that is reasonably available con sidering technological and economic feasibility. [USEPA definition 44 FR 53761 (Sept. 17, 1979)]1159-4 MDAQMD Rule 1159 Stationary Gas Turbines D7, 09/24/2009 ( 11 1 4 ) " “ Rating ”

– "

- The continuous megawatt (MW) rating or mechanical equivalent by a manufac turer for gas turbine(s) without power augmentation

. [Alphabetical
order corrected. ]

( 15 16 ) “ Selective Catalytic Reduction ( SCR ) ” – Selective Catalytic Reduction A noncombustion control technology that destroys NO X by injecting a reducing agent (e.g., ammonia) into the flue gas that, in th e presence of a catalyst (e.g., vanadium, titanium, or zeolite), converts NO X into molecular nitrogen and water. [Derived from 40 CFR 76.2]

(17) 

### “ Shutdown Period” – The period of time during which a unit is taken from an operational to a non-operational status by allowing it to cool down from its operating temperature to ambient temperature as the fuel supply to the unit is completely turned off. [Derived from SJVUAPCD Rule 4703 3.26, added in response to public comment]

(18) “Startup Period” – The period of time during w hich a unit is brought from a Shutdown status to its operating temperature and pr essure, including the time required by the unit’s emission control system to r each full operation. [Derived from SJVUAPCD Rule 4703 3.29, added in response to public comment]

( 12 1 6 19 ) " “ Stationary Gas Turbine or Unit ” – "

- Any gas turbine system that is gas and/or liquid fueled with or without power Power augmentation Augmentation . This unit is either attached to a foundation at a facility or is portable equipment operated at a spe cific facility for more than 90 days in any 12-month period. Two or more gas turbi nes powering one shaft shall
be treated as one unit.

( 13 1 7 20 ) " “ Thermal Stabilization Period ” – "

- The start Start up or shut Shut down
time Period necessary to bring the heat recovery steam generato r to the proper operating temperature, not to exceed two hours.

( 1 8 21 ) “Volatile Organic Compound (VOC)” – Any compound of carbon, excluding carbon monoxide, carbon dioxide, carbonic acid, met allic carbides or carbonates, and ammonium carbonate, which participates in atmos pheric photochemical reactions and those compounds listed in 40 CFR 51.1 00(s)(1). [Derived from MDAQMD Rule 1162(b)(48)]



### (C) Standards

(1) The owner or operator of any affected stationary Stationary gas Gas turbine
Turbine unit Unit shall not operate such unit under load conditions, excluding the
thermal Thermal stabilization Stabilization period Period and Startup and
Shutdown Periods which results in the m M easured NOx NO X emissionsMDAQMD Rule 1159 1159-5

Stationary Gas Turbines D7, 09/24/2009 Emissions c C oncentration exceeding the emissions limits set forth below: [Added

“Startup and Shutdown Periods” in response to publi c comment]

(a) For stationary Stationary gas Gas turbines Turbines which are not subject
to the alternative federal NO X NOx RACT limits of Subsection (C)(1)(b) and (c) , the following federal NO X and Carbon Monoxide (CO) NOx
RACT limits in Table 1 apply: [Derived from SJVUAPCD Rule 4703, §5.1.2 4/25/02]

Table 1

NO X and CO Compliance Limits

NO X Compliance Limit, ppmv at 15% Oxygen Control Operating

hours per

year Rating

Gas Fuel Liquid Fuel CO Compliance Limit, ppmv at 15% Oxygen

SCR + DLN > 877 > 10 MW 5 25 200

DLN > 877 2 – 10 MW 25 65 200

SCR > 877 2 – 10 MW (no DLN available) 35 65 200

DLN > 877 < 2 MW 42 [lowered to
42 to avoid
relaxation of previous SIP limit] 50 250

SCR or

DLN < 877 > 10 MW 25 42 200

(i) For gas

- fired turbines, 42 ppmv NO
x (ii) For oil

- fired turbines, 65 ppmv NO
x (b) For the Southern California Gas Company Turbine Model LM 1500, the following alternative federal NO X NOx RACT limit s shall apply:

(i) 90 ppmv NO X NOx when fired with gaseous fuel

.

(c) For the Southern California Gas Company Turbine General Electric Model Frame 3, the following alternative federal NO X RACT limit shall apply:

(i) 225 ppmv NO X when fired with gaseous fuel, achieved through good combustion practices.

(d) For the Westend Model PQ 5191, the following al ternative federal NO X RACT limit shall apply:1159-6 MDAQMD Rule 1159 Stationary Gas Turbines D7, 09/24/2009 (i) 42 ppmv NO X achieved with an SCR when fired with gaseous fuel.

( c e ) For the purposes of these emissions limits the fo llowing conventions are applicable:

(i) Gas includes natural, digester and landfill gas es. (ii) Oil includes kerosene, jet fuel, and distillat e. The sulfur content of
the oil shall be less than 0.05%. (iii) NO X NOx = emissions of NO X NOx , in ppmv, corrected to 15 percent oxygen and ISO standard conditions on a dry basis, averaged over any consecutive 15 minute period.

(2) The owner or operator of any affected statio nary Stationary gas Gas turbine
Turbine subject to (C)(1)(a) shall submit to the APCO for approval, an Emission Control Plan (ECP) for the purpose of establishing an exemption status pursuant to Section (D) or to establish compliance with provisions of this rule.

(3) The owner or operator of any s S tationary g G as t T urbine subject to (C)(1) shall minimize emissions insofar as technologically feasi ble during Thermal
Stabilization Periods. [Section added in response to USEPA rule review comments received 7/9/09]



### (D) Exemptions

(1) The provisions of Section (C) of this rule shal l not apply to the operation of:

(a) Laboratory units used in research and testing f or the advancement of gas turbine technology.

(b) Units operated exclusively for fire fighting an d/or flood control.

(c) Combined

- cycle t Stationary Gas T urbines operating as an electric utility which are subject to Rule 1158.

(2) The provisions of this rule, with the exception of Section (F)( e 2 ), shall not apply to the operation of stationary Stationary gas Gas turbines Turbines used under the following conditions:

(a) Emergency standby Standby units Units demonstrated to operate less than 200 hours per calendar year

, .

(b) Portable, turntable, or track mounted turbines whose operation generates intermittent, high velocity air flow for live fire sustainability, lethality, aerodynamic, cookoff, or remote control operation t esting only. [These units are not stationary, industrial units and do n ot meet the applicability]MDAQMD Rule 1159 1159-7

Stationary Gas Turbines D7, 09/24/2009 (b) Units rated less than 4 MW an d operating less than 877 hours per calendar

year

. [requirements in §(C)(1)(a) Table 1 now apply]

(3) Any facility within the federally designated ozone non

- attainment area containing an affected stationary gas turbine which is classif ied as exempt or cl aiming to be exempt under this subsection, shall meet the record keeping requirements of Section (F)(e) of this rule to establish the exempt classification or claimed exemption. [Section not applicable since rule is being amended to apply district wide]

(3) The provisions of section (F)(1) and (H) shall not apply to the Southern California Gas Company Turbine General Electric Model Frame 3.



### (E) Administrative Requirements

(1) Emission Control Plan The E mission C ontrol P lan (ECP) required pursuant to section (C)(2) shall, at a minimum, include the fol lowing information if such information is applicable:

(a) A list of all stationary Stationary gas Gas turbines Turbines required to be controlled pursuant to this rule.

(b) For each stationary Stationary gas Gas turbine Turbine listed: (i) District identification number, and District Pe rmit to Operate
number

, ; (ii) Name of the gas turbine manufacturer

, ; (iii) Equipment model number

, ; (iv) Manufacturer's rated shaft power output (MW ), ); (v) Type of liquid fuel and/or type of gaseous fuel

, ; (vi) HHV for each fuel

, ; (vii) Heat rate (( BTU Btu / KW kW

- HR hr ), corrected to the HHV) for each type of fuel (gas or liquid) for each turbine ; (viii) Monthly fuel consumption for the pervious previous twelve-month period (cubic feet for gas; gallons for liquid) ; (ix) Monthly hours of operation in the previous twe lve-month period

. ; (x) The type of NO X NO x emission Emission control Control equipment Equipment , including any auxiliary equipment related to the control of emissions, to be applied

. ; (xi) Documentation showing the current (existing) c oncentration and mass rate of emissions of oxides of nitrogen from t he unit

. ; (xii) A schedule with specified increments of progr ess dates for
construction of emissions Emission cont rol Control equipment Equipment , operational milestones for implementation of emissions control and/or installation of monitoring equipment ;

. and (xiii) A final compliance date.1159-8 MDAQMD Rule 1159 Stationary Gas Turbines D7, 09/24/2009 

### (F) Monitoring and Recordkeeping Requirements

(1) The owner or operator of any affected stationary Stationary gas Gas turbine
Turbine required to install Emissions Control Equipment for compliance with this
rule shall:

(a) Install, operate, and maintain in calibration, emissions the following monitoring equipment, as approved by the APCO , that continuously measures and records the following :

(i) Continuous measurement and recording of Emissions Control System Operating Parameters ; , and (ii) Continuous measurement and recording of Elapsed elapsed time of operation; and

. (iii) An Enhanced Emissions Monitoring Device.

(b) notify the APCO, in writing, that the facility has an enha nced emissions monitoring device and specify the data gathering an d retrieval capacities
thereof

.

( c b ) n N otify the APCO, in writing, before issuance of the Permit To Operate,
such information which correlates the Emission Cont rol System Operating

Parameters , and PEMS if present, to the associated measured NO X NOx emissions output. This information will be used to determine compliance with applicable provisions of this rule for non-CEM S-equipped turbines and CEMS-equipped units when the CEMS is not operat ing properly.

( d c ) Provide, on an annual basis, compliance testing d ata and information regarding NO X NOx emissions. The data shall be corrected to ISO conditions and at 15 percent oxygen on a dry basis; and the percent efficiency (EFF) of each turbine unit.

(2) The owner/operator of any Stationary Gas Turbin e shall:

( e a ) For each unit and o O n a daily basis, maintain a turbine operating log t hat includes, as a minimum, the following information:

(i) the The total hours of operation per day; (ii) the The accumulated hours of operation per calendar month; and (iii) the The type and quantity of fuel used

. ; and (iv) The nature of operation of the unit (exempt o r non-exempt).

(b) The operating log required to be kept pursuant to this rule shall b e kept current and on site for a minimum of two years; and provided to District orMDAQMD Rule 1159 1159-9

Stationary Gas Turbines D7, 09/24/2009 state personnel on request. [Rule retention clarification added pursuant to

CARB comment]



### (G) Notification Requirements for Exempt and Emerge ncy Standby Units

(1) Any stationary Stationary gas Gas turbine Turbine unit which is exempt or claimed to be exempt pursuant to subsection (D)(2) shall:

(a) Notify the APCO within seven (7) days if the hour-per-year threshold is
exceeded.

(i) If the hour-per-year threshold is exceeded, the exemption pursuant to subsection (D)(2) shall be permanently withdrawn

. (ii) If the hour-per-year threshold is exceeded the owner/operator shall, within 30 days of the notification, submit an appli cation for a Permit to Operate to the District. Such application shall including a plan detailing actions and a schedule of progress t o meet the applicable RACT limits and provisions of this rule within 24 18 months after the date of the notification; an Emiss ion Control Plan conforming to the requirements of Section (E) for t he emissions control equipment. [The time a unit has to come into compliance after losing its exemption by operating in excess o f its hour per year limit has been lowered to 18 months in respons e to USEPA comment].

(2) Notwithstanding the provisions of Sections (F)( 2) and (G)(1) above, A public
Public service Service unit Unit shall not be subject to the hour-per-year threshold
when:

(a) Such unit is operating during a state of emerge ncy declared by a proclamation of the Governor of the State of Califo rnia; and

(b) Such unit is located within the specific geogra phic location identified in the state of emergency proclamation.



### (H) Test Methods

(1) Compliance testing shall be subject to the prot ocols prescribed in the District's Compliance Procedural Manual.

(2) The following test methods shall be used to det ermine compliance with the provisions of this rule.1159-10 MDAQMD Rule 1159 Stationary Gas Turbines D7, 09/24/2009 (a) NO X NOx Emissions emissions shall be determined by EPA Test Method

20.

(b) The Higher Heating Value (HHV) and the Lower He ating Value (LHV) shall be determined by the appropriate method for t he fuel type listed
below: [Deleted reference to “most current version” of AST M in response to USEPA and CARB comments]

(i) For liquid fuels: a. ASTM Test Method D 240-87 (Standard Test Method for Heat of Combustion of Liquid Hydrocarbon Fuels by Bomb Calorimeter). (ii) For distillate fuel: a. ASTM Test Method D 2382-88 (Standard Test Method for Heat of Combustion of Hydrocarbon Fuels by Bomb Calorimeter - High Precision Method); or
, (iii) For gaseous fuels: a. ASTM Test Method D 3588-91 (Standard Practice fo r Calculation Heat Value, Compressibility Factor, and Relative Density (Specific Gravity) of Gaseous Fuel s); or b. ASTM Test Method D 1826-88 (Standard test Method for Caloric (Heating) Value of Gases in Natural Gas Ran ge by Continuous Recording Calorimeter); or c. ASTM Test Method D 1945-81 (Standard Method for Analysis of Natural Gas by Gas Chromatography).



### (I) Compliance Schedule

(1) The owner/operator of an y existing stationary Stationary gas Gas turbine Turbine subject to the provisions of Section (C) (1)(a) above shall comply with the following increments of progress:

( 2 a ) An Emissions Control Plan shall be submitted to t he District on of before April 15, 1995 within 90 days of rule adoption . The District shall approve the
Plan on or before May 31, 1995 within 30 days of submission.

( 3 b ) On and after May 31, 1995, a A ny affected turbine shall be in full compliance with all applicable provisions of the ru le within 12 months of rule adoption

.

( 4 c ) Demonstrate final compliance with all applicable standards and requirements of the rule within six months of the i nstallation of the NOx NO X reduction technology.MDAQMD Rule 1159 1159-11

Stationary Gas Turbines D7, 09/24/2009 (2) The owner/operator of any new s S tationary g G as t T urbine subject to the provisions of Section (C) shall comply as of the da te of adoption of this rule. [Provision for new turbines added in response to US EPA comments]

[SIP: Submitted as amended mm/dd/yy on mm/dd/yy; Ap proved 4/9/96, 61 FR 15719, 40 CFR 52.220(c)(216)(I)(A)(3)]