SJVUAPCD 10/16/08 4307 - 1 RULE 4307 BOILERS, STEAM GENERATORS, AND PROCESS HEATERS – 2.0 MMBtu/hr to 5.0 MMBtu/hr (Adopted D ecember 15, 2005; Amended April 20, 2006; Amended October 16, 2008)

1.0 Purpose

The purpose of this rule is to limit emissions of oxides of nitrogen (NOx), carbon monoxide (CO), oxides of sulfur (SO 2 ), and particulate matter 10 microns or less (PM10) from boilers, steam generators, and process heaters.

2.0 Applicability

This rule applies to any gaseous fuel or liquid fuel fired boile r, steam generator, or process heater with a total rated heat input of 2. 0 million Btu per hour (MMBtu/hr) up to and including 5.0 MMBtu/hr.

3.0 Definitions

3.1 Air Pollution Control Officer ( APCO): as defined in Rule 1020 (Definitions).

3.2 Air Resources Board (ARB): as defined in Rule 1020 (Definitions).

3.3 Annual Heat Input: the actual, total heat input of fuels burned by a unit in a calendar year, as determined from the hi gher heating value and cumulative annual usage of each fuel.

3.4 Atmospheric Unit: any unit with a non- sealed combustion chamber in which the combustion air and flue gases are drawn through the unit without the use of a fan.

3.5 Boiler or Steam Generator: any external combustion eq uipment fired with any fuel used to produce hot water or steam.

3.6 British Thermal Unit (Btu): the amount of heat required to raise the temperature of one pound of water from 59°F to 60°F at one atmosphere.

3.7 California Public Utility Commission (P UC) Quality Natural Gas: any gaseous fuel, gas-containing fuel where the sulfur content is no more than one-fourth (0.25) grain of hydrogen sulfide pe r one hundred (100) standard cubic feet and no more than five (5) grains of tota l sulfur per one hundred (100) standard cubic feet. PUC quality natural gas also means high meth ane gas of at least 80% methane by

volume.

3.8 Certified Unit or Certif ied Retrofit Control Technology: any unit, any control technology, or any burner a nd ancillary controls or blowers, that has been demonstrated to comply with the emissions limits of this rule and which has been approved by the APCO pursuant to Section 9.0 of this rule.SJVUAPCD 10/16/08 4307 - 2 3.9 Dryer: any unit in which material is dried in direct contact with the products of

combustion.

3.10 EPA: United States E nvironmental Protection Agency.

3.11 Gaseous Fuel: any fuel whic h is a gas at Standard Conditions.

3.12 Heat Input: the heat (hhv basis) releas ed due to fuel combustion in a unit, not including the sensible heat of incoming combustion air and fuel.

3.13 Higher Heating Value (hhv): the tota l heat liberated per mass of fuel burned (expressed as Btu per pound), when fuel and dry air at standard conditions undergo complete combustion and all resulting products are brought to their standard states

at standard conditions.

3.14 Humidifier: a device or system that us es an air stream heat ed by a direct contact combustion process in combination with a water spray to produce warm air of high humidity in order to maintain or increase the moisture content of the material being processed or conveyed by the air stream.

3.15 Liquid Fuel: any fuel which is a liquid at Standard Conditions.

3.16 NOx Emissions: the sum of oxides of nitrogen expressed as NO 2 in the flue gas.

3.17 NOx Exhaust Control: a device or technique used to treat a unit’s exhaust combustion gas to reduce NOx emissions. Such a device or technique includes, but is not limited to, selective cataly tic reduction or nonselective catalytic

reduction.

3.18 Parts Per Million by Volume (ppmv): as defined in Rule 1020 (Definitions).

3.19 Process Heater: any combustion equipm ent fired with liquid and/or gaseous fuel and which transfers heat from combustion ga ses to water or process streams. This

definition excludes: kilns or ovens used fo r drying, baking, cook ing, calcining, or vitrifying; and unfired waste heat recovery heaters used to r ecover sensible heat from the exhaust of combustion equipment.

3.20 Qualified Technician: a stationary source employee or any personnel contracted by a stationary source operator who has a documented training and a demonstrated experience performing tune-ups on a unit to the satisfaction of the APCO. The documentation of tune-up trai ning and experience shall be made available to the APCO upon request.SJVUAPCD 10/16/08 4307 - 3 3.21 Rated Heat Input (expr essed as million Btu per hour): the heat input capacity specified on the nameplate of the unit. If the unit has been physically modified such that its maximum heat input differs from what is specified on the nameplate, the modified maximum heat input shall be considered as the ra ted heat input and made enforceable by Permit to Operate.

3.22 Re-ignition: the relighting of a un it after an unscheduled and unavoidable interruption or shut off of the fuel flow or electrical power, for a period of less than 30 minutes, due to reasons outsi de the control of the operator.

3.23 School: any public or private school used for the purpos e of education and instruction of school pupils in Kindergarte n through Grade 12, but does not include any private school in which education and instruction are primarily conducted in private homes.

3.24 Shutdown: the period of time during whic h a unit is taken from an operational to a non-operational status by allowi ng it to cool down from its operating temperature to a cold or ambient temperature as the fuel supply is turned off. A unit is considered in shutdown status when the fuel supply to the unit is turned off for a continuous period of at least 30 minutes.

3.25 Solid Fuel: any fuel which is a solid at Standard Conditions.

3.26 Standard Conditions: as defined in Rule 1020 (Definitions).

3.27 Start-up: the period of time during wh ich a unit is brought fr om a shutdown status to its operating temperature and pressure.

3.28 Stationary Source: as defined in Rule 2201 (New and Modified Stationary Source Review Rule).

3.29 Unit: any boiler, steam generator or process heater as defined in this rule.

4.0 Exemptions

This rule shall not apply to:

4.1 Solid fuel fired units.

4.2 Dryers and glass melting furnaces.

4.3 Kilns, humidifiers, and smelters where the products of combustion come into direct

contact with the material to be heated.SJVUAPCD 10/16/08 4307 - 4 4.4 Unfired or fired waste heat recovery boilers that are used to recover or augment
heat from the exhaust of combustion turb ines or internal combustion engines.

4.5 Units used at a school. On and after July 1, 2015, units used at a school shall comply with all applicable requirements of this rule.

4.6 The requirements of Secti ons 5.1 shall not apply to a unit when burning any fuel other than PUC quality natural gas duri ng PUC quality natural gas curtailment provided all of the following conditions are met:

4.6.1 Fuels other than PUC quality na tural gas are burned no more than 168 cumulative hours in a calendar year plus 48 hours per calendar year for equipment testing, as limited by Pe rmit to Operate or Permit-Exempt Equipment Registration.

4.6.2 NOx emission shall not exceed 150 ppmv or 0.215 lb/MMBtu. Demonstration of compliance with this limit shall be made by either source testing, continuous emission mon itoring system (CEMS), an APCO approved Alternate Monitoring System, or an APCO approved portable NOx analyzer.

5.0 Requirements

All ppmv emission limits specified in this secti on are referenced at dr y stack gas conditions and 3.00 percent by volume stack gas oxygen. Emission concentrations shall be corrected to 3.00 percent oxygen in accordance with Section 8.1.

5.1 NOx and CO Emission Limits

Except for units subject to Section 5.2, no unit shall be operated unless it is certified, according to Section 9.0, or s ource tested in accord ance with the test methods in Section 6.2, to comply with the applicable emission limits specified in

Table 1 and Table 2.

Table 1 NOx and CO limits

Type of Unit NOx Limit CO Limit (ppmv)

Gaseous Fuel-Fired Unit 30 ppmv or
0.036 lb/MMBtu 400

Liquid Fuel-Fired Unit 40 ppmv or
0.052 lb/MMBtu 400SJVUAPCD 10/16/08 4307 - 5 Table 2 NOx and CO limits for New and Replacement Units

I. Atmospheric Units

Type of Unit NOx Limit CO Limit (ppmv) Effective Date

A. A new or replacement unit that is not

included in Section I. B. 12 ppmv or
0.014 lb/MMBtu 400 Upon Installation

of a new or replacement unit

on and after January 1, 2010 B. A new or replacement unit that is one of the following:

1. a unit used at a school; or

2. a unit in an oilfield or refinery; or

3. a glycol reboiler; or

4. a unit with a heat input greater than

1.8 billion Btu but less than 5.0 billion Btu per calendar year 12 ppmv or
0.014 lb/MMBtu 400 Upon Installation

of a new or replacement unit

on and after January 1, 2016

II. Non-Atmospheric Units

Type of Unit NOx Limit CO Limit (ppmv) Effective Date

A. A new or replacement unit that is not

included in Section II. B. 9 ppmv or
0.011 lb/MMBtu 400 Upon Installation

of a new or replacement unit

on and after January 1, 2010
B. A new or replacement unit that is one of the following:

5. a unit used at a school; or

6. a unit in an oilfield or refinery; or

7. a glycol reboiler; or

8. a unit with a heat input greater than

1.8 billion Btu but less than 5.0 billion Btu per calendar year 9 ppmv or
0.011 lb/MMBtu 400 Upon Installation

of a new or replacement unit

on and after January 1, 2016

5.2 Operators shall meet the following requirements as applicable.

5.2.1 Until June 30, 2015, for each exis ting atmospheric unit operated in an oilfield or refinery; each glycol rebo iler; or each unit limited to no more than 5.0 billion Btu per calendar year heat input pursuant to a Permit to Operate or Permit-Exempt Equipment Registration, the operator shall comply with Section 5.5.2, Section 7. 3, Section 7.4, a nd either Section
5.2.1.1, 5.2.1.2, or 5.2.1.3.SJVUAPCD 10/16/08 4307 - 6 5.2.1.1 Tune the unit at least tw ice per calendar year, (from four to eight months apart) using a qua lified technician in accordance with the procedure described in Rule 4304 (Equipment Tuning Procedure for Boilers, Steam Gene rators, and Process Heaters). If the unit does not operate th roughout a continuous six-month period within a calendar year, onl y one tune-up is required for that calendar year. No tune-up is required for any unit that is not operated during that calendar year; this unit may be test fired to verify availability of the unit for its intended use, but once the test firing is completed the unit shall be shutdown; or

5.2.1.2 Operate the unit in a ma nner that maintains exhaust oxygen

concentrations at less than or e qual to 3.00 percent by volume on a dry basis; or

5.2.1.3 Certify the unit according to Section 9.0 to comply with the applicable emission requirement s of Section 5.1 Table 1.

5.2.2 On and after July 1, 2015, for each unit limited to no more than 1.8 billion Btu per calendar year heat input pursu ant to a Permit to Operate or PermitExempt Equipment Registration, the operator shall comply with Section 5.5.2, Section 7.3, Secti on 7.4, and either Secti on 5.2.1.1, 5.2.1.2, or

5.2.1.3.

5.2.3 On and after July 1, 2015, for each existing atmospheric unit in an oilfield or refinery; each glycol rebo iler; or each unit with a heat input greater than 1.8 billion Btu to less th an 5.0 billion Btu per calendar year, the operator shall comply with the applicable emission requirements of Section 5.1 Table 1. The operator shall comply with the compliance requirements and deadlines specified for Group 3 units in Section 7.1

Table 3.

5.3 Particulate Matter Control Requirements

5.3.1 To limit particulate matter emissions, an operator shall co mply with one of the following requirements:

5.3.1.1 On and after July 1, 2015, operators shall fire units exclusively on PUC-quality natural gas, co mmercial propane, butane, or liquefied petroleum gas, or a co mbination of such gases; or

5.3.1.2 On and after July 1, 2015, operators shall limit fuel sulfur content to no more than five (5) grains of total sulfur per one hundred (100) standard cubic feet; orSJVUAPCD 10/16/08 4307 - 7 5.3.1.3 On and after July 1, 2015, operators shall install and properly operate an emission control system that reduces SO 2 emissions by at least 95% by weight; or limit exhaust SO 2 to less than or equal to 9 ppmv corrected to 3.0 %O2.

5.3.2 On and after July 1, 2015, liquid fuel shall be used only during a PUC quality natural gas curtailment period provided it contains no more than 15 ppm sulfur as determined by the test method specified in Section 6.2.7. An operator shall comply with the r ecordkeeping requirement of Section 6.1.3. In lieu of testing the sulfur content of liquid fuel, an operator may demonstrate compliance with the 15 ppm sulfur content by obtaining a copy

of the fuel sulfur conten t specification data from the fuel manufacturer or

vendor.

5.4 The applicable emission limits of Sec tions 5.1 and 5.2.1.2 shall not apply during start-up or shutdown provided an operator complies with the requ irements specified

below.

5.4.1 For units not equippe d with a NOx exhaust control, the duration of each start-up and each shut down shall not exceed one hour, except as provided

in Section 5.4.4.

5.4.2 For units equipped with a NOx exhaust control, th e duration of each start-up and each shut down shall not exceed two hours, except as provided in Section 5.4.4.

5.4.3 The emission control system shall be in operation and emissions shall be minimized insofar as technologically f easible during start-up or shutdown.

5.4.4 Notwithstanding the re quirements of Section 5.4. 1 or Section 5.4.2, the APCO, ARB, and EPA may approve a longer start-up or shutdown duration, if an operator submits an application for a Perm it to Operate or Permit-Exempt Equipment Registration which provides a justification for the requested additional duration.

5.4.4.1 The maximum allowable dura tion of start-up or shutdown will be determined by the APCO, ARB, and EPA.

5.4.4.2 At a minimum, a justifica tion for increased start-up or shutdown duration shall include the following:

5.4.4.2.1 A clear identification of the control technologies or strategies to be utilized; andSJVUAPCD 10/16/08 4307 - 8 5.4.4.2.2 A description of wh at physical conditions prevail during start-up or shutdown periods that prevent the controls from being effective; and

5.4.4.2.3 A reasonably precise estimate as to when the physical

conditions will have reached a state that allows for the effective control of emissions; and

5.4.4.2.4 A detailed list of activities to be performed during start-up or shutdown and a reasonable explanation for the length of time n eeded to complete each activity; and

5.4.4.2.5 A description of the materi al process flow rates and system operating parameters , etc., the operator plans to evaluate during the process optimization; and an explanation of how the ac tivities and process flow affect the operation of the emissions control equipment; and

5.4.4.2.6 Basis for the requested a dditional duration of start-up

or shutdown.

5.4.5 Permit to Operate (PTO) changes solely to include start-up or shutdown conditions may be exempt from Best Available Control Technology (BACT) and emission offset requirements if the PTO changes meet the requirements of Rule 2201 (New or Modified Stationary Source Review Rule) Section 4.2 (BACT Exemptions ) and Rule 2201 Sec tion 4.6 (Offset Exemptions).

5.5 Monitoring Provisions

5.5.1 For units subject to the emission limits of Section 5.1 the operator shall;

5.5.1.1 Monitor, at least once a month, the operational characteristics recommended by the manufacturer and approved by the APCO;

and

5.5.1.2 Tune the unit at least twi ce per calendar year , (from four to eight months apart) using a qu alified technician in accordance with the procedure described in Rule 4304 (Equipment Tuning Procedure for Boilers, Steam Gene rators, and Process Heaters). If the unit does not operate th roughout a continuous six-month period within a calendar year, onl y one tune-up is required forSJVUAPCD 10/16/08 4307 - 9 that calendar year. No tune-up is required for any unit that is not operated during that calendar year; this unit may be test fired to verify availability of the unit for its intended use, but once the test firing is completed the unit shall be shutdown. In lieu of tuning the unit, operators shall monitor the emissions with a portable NOx analyzer and adjust the unit’s operating parameters accordingly to assure compliance with the emission

limits of this rule.

5.5.2 The operator of any unit limited to the annual heat input specified in

Section 5.2.1 or Section 5.2.2 shall install and maintain an operational non-resettable, totalizing mass or volum etric flow meter in each fuel line

to each unit. Volumetric flow m easurements shall be periodically compensated for temperature and pr essure. A master meter, which measures fuel to all units in a gr oup of similar units, may satisfy these requirements if approve d by the APCO in writi ng. The cumulative annual fuel usage may be verified from utility service meters, purchase or tank fill records, or other accep table methods, as approved by the

APCO.

5.5.3 Monitoring SOx Emissions

5.5.3.1 Operators complying with Section 5.3.1.3 by installing and operating a control device w ith 95% SOx reduction shall propose the key system operating parameters and frequency of the monitoring and recordi ng. The monitoring option proposed shall be submitted for approval by the APCO.

5.5.3.2 Operators complying with Sections 5.3.1.1 or 5.3.1.2 shall provide an annual fuel analysis to the District unless a more frequent sampling and reporti ng period is included in the Permit To Operate or Equipm ent Registration condition. Sulfur analysis shall be perfor med in accordance with the test

methods in Section 6.2.

5.6 Compliance Determination

5.6.1 For the purposes of certification, the operator of any unit shall have the option of demonstrating compliance with either the appli cable heat input emission limits (lb/MMBtu) or the c oncentration emission limits (ppmv) specified in Section 5.1. The emi ssion limits selected to demonstrate compliance shall be specifi ed in the Permit to Op erate or Permit-Exempt Equipment Registration. The emission limit selected in Section 5.1 shall also be specified in the source test proposal pursuant to Rule 1081 (SourceSJVUAPCD 10/16/08 4307 - 10 Sampling).

5.6.2 All emissions measurements shall be made with the unit operating either at conditions representative of normal operations or conditions specified in the Permit to Operate or Permit-Exempt Equipment Registration.

5.6.3 Unless otherwise specified in the Permit to Operate or Permit-Exempt Equipment Registration no determination of complian ce shall be established within two hours after a continuous period in which fuel fl ow to the unit is

shut off for 30 minutes or longer, or within 30 minut es after a re-ignition as

defined in Section 3.0.

5.6.4 Notwithstanding the requi rements of Section 5.6.3, for units with a cyclical firing period that routinely interrupts fuel flow as part of its normal operation, source testing may commence sooner than specified in Section 5.6.3 and continue through its nor mal cyclical firing period.

5.6.5 For emissions source testing performed pursuant to Section 6.3.1 for the purpose of determining compliance w ith an applicable standard or numerical limitation of this rule, the arithmetic average of three (3) 30- consecutive-minute test runs shall apply. If two (2) of th ree (3) runs are above an applicable limit the test cannot be used to demonstrate compliance with an applicable limit.

6.0 Administrative Requirements

6.1 Recordkeeping

The records required by Secti ons 6.1.1 through 6.1.4 shall be maintained, retained for five calendar years, a nd shall be made available to the APCO, ARB, and EPA upon request. Failure to maintain records or information contai ned in the records that demonstrates noncomplian ce with the applicable require ments of this rule shall

constitute a violation of this rule.

6.1.1 The operator of any unit limited to the annual heat input specified in

Section 5.2.1 or Section 5.2.2 shall record the amount of fuel use, at least once a month for each unit, or fo r a group of units as specified in Section 5.5.2. On and after the comp liance schedule specified in Section 7.0 Table 3, any unit that exceeds the annual heat input limit specified in

Section 5.2.1 or Section 5.2.2, shall be brought into full compliance with this rule as specified in Section 7.3.

6.1.2 The operator of any unit subject to th e applicable requirements of Sections
5.2.1.1, 5.5.1. 1, and 5.5.1.2 shall maintain records to verify that tune-upSJVUAPCD 10/16/08 4307 - 11 and monitoring of the operational ch aracteristics of th e unit have been performed.

6.1.3 Operators who operate a unit on li quid fuel during PUC-quality natural gas curtailment period shall reco rd the sulfur content of the fuel, amount of fuel used, and duration of the natu ral gas curtailment period.

6.1.4 The operator performing start-up or shutdown of a unit shall keep records of the duration of start-up or s hutdown that exceed the applicable requirements of Sectio ns 5.4.1 or 5.4.2.

6.2 Test Methods

The following test methods sh all be used unless otherwise approved by the APCO, ARB, and EPA.

6.2.1 Oxides of nitrogen (ppmv) – EP A Method 7E, or ARB Method 100.

6.2.2 Carbon monoxide (ppmv) – EPA Method 10, or ARB Method 100.

6.2.3 Stack gas oxygen – EPA Method 3 or 3A, or ARB Method 100.

6.2.4 NOx Emission Rate (Heat Input Basis) – EPA Method 19.

6.2.5 Stack gas velocities – EPA Method 2.

6.2.6 Stack gas moisture content – EPA Method 4.

6.2.7 Sulfur content of liquid fuel – American Society for Testing and Materials (ASTM) D 6920-03 or ASTM D 5453-99.

6.2.8 Determination of total sulfur as hydrogen sulfide (H 2 S) content – EPA

Method 11 or EPA Method 15, as appropriate.

6.2.9 Oxides of sulfur – EPA Method 6C, EPA Method 8, or ARB Method 100.

6.2.10 The SOx emission control system effi ciency shall be determined using the following:

% Control Efficiency = [ (C SO2, inlet

**–** C SO2, outlet ) / C SO2, inlet ] X 100

Where:

C SO2, inlet = concentration of SOx (expressed as SO 2 ) at the inlet side ofSJVUAPCD 10/16/08 4307 - 12 the SOx emission control system, in lb/dscf

C SO2, outlet = concentration of SOx (expressed as SO 2 ) at the outlet side of the SOx emission control system, in lb/dscf 6.3 Compliance Demonstration

6.3.1 The operator shall conduct an initial source test at the time of installation

and/or modification for each non-certif ied unit or each non-certified retrofit control technology to demonstrate compliance with the applicable

certification emission limits in Sec tion 5.1. Units demonstrating compliance are eligible fo r certification under the provi sions of Section 9.0.

6.3.2 Source testing of a cer tified unit or certified retrofit control technology, as defined in Section 3.0, is not required provided th e operator complies with the requirements of Secti ons 6.3.2.1 a nd 6.3.2.2.

6.3.2.1 Operate the unit within range of operating para meters specified in the APCO-approved certification document.

6.3.2.2 Operate and maintain the unit in accord ance with the

manufacturer’s instructions a nd conditions specified in the APCO-approved certification document.

6.3.3 A unit or retrofit control technology that loses its certification status shall be source tested within 60 days after the date the certification status is lost to demonstrate compliance with the em ission limits of this rule. The manufacturer or operator ma y request re-certification of a unit or retrofit control technology that lost its certifica tion status provided the provisions of

Section 9.0 are met.

6.4 Equipment Regist ration Requirement

Except for units that require a Perm it to Operate pursuant to Rule 2020 (Exemptions), the operator shall register with the District any unit subject to this rule no later than the applicable date s hown in Table 3, in accordance with Rule 2250 (Permit-Exempt Equipment Registration).

7.0 Compliance Schedule

7.1 An operator with multiple units at a stationa ry source shall comply with this rule in accordance with the schedule sp ecified in Table 3. An operator with only one unit at a stationary source shall comply with th e schedule specified in Table 3, Group 2.SJVUAPCD 10/16/08 4307 - 13 TABLE 3 - Compliance Schedule

Quantity of Units to be in Compliance at a Stationary

Source Authority to

Construct Permit-Exempt Equipment Registration Full Compliance

Group 1:
50% or more of the total number of units subject to this rule on July 1, 2008, excluding Group 3 January 1, 2008 April 1, 2008 July 1, 2008

Group 2:
100% of the total number of units subject to this rule on and after July 1, 2009, excluding Group 3 January 1, 2009 April 1, 2009 July 1, 2009

Group 3:
100%of the total number of units subject to Section 5.2.3
and 100% of the total number of units located at a school, subject to this rule on and after July 1, 2015 January 1, 2015 April 1, 2015 July 1, 2015

Units are considered to be subject to this rule if the rule is a pplicable to the units pursuant to

Section 2.0 and the units are not exempt pursuant to Section 4.0.

7.2 As shown in Table 3, the column labeled:

7.2.1 “Authority to Construct” identifie s the date by which the operator shall submit an Application for Authority to Construct for each un it subject to this rule and which is require d to have a Permit to Op erate (PTO) pursuant to Rule 2020 (Exemptions).

7.2.2 “Permit-Exempt Equipment Registrati on” identifies the date by which the owner or operator shall submit a co mplete Permit-Exempt Equipment Registration application for each unit s ubject to the registration requirements of Rule 2250 (Permit-Exempt Equipment Registration).

7.2.3 "Full Compliance" iden tifies the date by which th e owner shall demonstrate that each unit is in complia nce with this rule rega rdless of whether the unit requires a Permit to Operate or a Pe rmit-Exempt Equipment Registration.

7.3 Any unit that becomes subj ect to the emission limits of this rule as a result of exceeding the annual heat input limit specified in Section 5.2.1 or Section 5.2.2,shall be in compliance with the emission limits specified in Section 5.1 Table 1 on and after the date the annual heat input limit is exceeded.

7.4 When an existing unit, that is subject to Section 5.2, is replaced, the replacement unit shall be certified, according to Section 9.0, or source tested in accordance with the test methods in Section 6.2 to comp ly with the applicable emission limits specified in Section 5.1, on and af ter the date of initial operation.

8.0 Calculations

8.1 All ppmv emission limits specified in Sec tion 5.1 are referenced at dry stack gas conditions and 3.00 percent by volume stack gas oxygen. Emission concentrations shall be corrected to 3.00 percent oxygen as follows:

measured

measured corrected NOxppmx O NOxppm ][ ]2[%%95.20 %95.17 ][

− =

measured

measured corrected COppmx O COppm ][ ]2[%%95.20 %95.17 ][

− =

8.2 All pounds per million Btu NOx emission rate s shall be calculated as pounds of nitrogen dioxide per million Btu of heat input (hhv).

9.0 Equipment Certif ication Requirements

9.1 To be considered for APCO certifica tion, the manufacturer or operator shall comply with the following requirements:

9.1.1 Certification shall be based upon the emission s ource testing results of a specific unit, or a randomly selected un it of each model, or retrofit control technology.

9.1.2 A source testing protocol shall be submitted in accordance with the provisions of Rule 1081 (Source Samp ling) for approval by the APCO prior to conducting the source test. The source testing protocol approved by the APCO shall be strictly a dhered to during certification source testing.

9.1.3 Source testing shall be co nducted over the range of operating parameters for which the unit(s) or retrofit c ontrol technology will be operated.

9.1.4 The source testing results shall de monstrate compliance with the emission

limits of this rule for each model of unit(s), or re trofit control technology to

be certified.

SJVUAPCD 10/16/08 4307 - 14SJVUAPCD 10/16/08 4307 - 15 9.1.5 The source testing procedure and reports shall be prepared by an ARBapproved independent testin g laboratory, and shall contain all the elements identified in the APCO-appr oved source testing protocol.

9.1.6 Source testing shall be conducted no more than 90 da ys prior to the date of submission of request for certification by the APCO.

9.2 The manufacturer or opera tor requesting certification shall submit to the APCO the following information:

9.2.1 Copies of the source testing results conducted pur suant to the requirements of Section 9.1, and other pertinent t echnical data to demonstrate compliance

with the emission limits of this rule.

9.2.2 The applicant shall sign and date th e statement attesting to the accuracy of

all information in the statement.

9.2.3 Name and addre ss of the unit manufacturer or operator, brand name of the unit or retrofit control technology, model number, rated heat input as it appears in the unit nameplate, and de scription of model of unit(s), or retrofit control technology being certified.

9.3 The APCO will only approve an application for certificatio n to the extent that the requirements of Sections 9.1 through 9.2 are met and the source testing results

demonstrate that the emission limits of this rule are met.

9.4 The APCO-approved certification is valid only for the range of operating parameters for which certification is issued.

9.5 A certified unit or a certified retrofit cont rol technology that is operated outside the APCO-certified range of opera ting parameters shall lose its certification status. A unit or retrofit control technology that loses its certification status shall comply with the requirements of Section 6.3.3.

9.6 The APCO shall publish a list of certif ied units or certified retrofit control technology after the certificati on process is completed.SJVUAPCD 10/16/08 4307 - 16 This page intentionally blank