# PROPOSED November 14, 2013

   Revised Proposed

Amendments to Rule 4702 RULE 4702 INTERNAL COMBUSTION ENGINES (Adopted Augu st 21, 2003; Amended

June 16, 2005; Amended April 20, 2006; Amended Janu ary 18, 2007; Amended August 18, 2011; Amended [ date of adoption ])

1.0 Purpose

The purpose of this rule is to limit the emissions of nitrogen oxides (NOx), carbon monoxide (CO), volatile organic compounds (VOC), an d sulfur oxides (SOx) from internal combustion engines.

2.0 Applicability

This rule applies to any internal combustion engine rated at 25 brake horsepower or

greater.

3.0 Definitions

3.1 Agriculture Operations (AO): the growing and harvesting of crops or the raising of fowl or animals, for the primary purpose of earn ing a living, or of conducting agricultural research or instruction by an educatio nal institution.

3.2 Air Pollution Control Officer (APCO): the Air Pollution Control Officer of the San Joaquin Valley Unified Air Pollution Control Di strict.

3.3 ARB: California Air Resources Board.

3.4 California Reformulated Diesel: diesel fuel me eting 15 ppmv sulfur content limit as required by the California Diesel Fuel Regulatio ns as specified in the California Code of Regulations, Title 13, Division 3, Chapter 5 (Standards for Motor Vehicle Fuels), Article 2 (Standards for Diesel Fuel), Sect ion 2281- Sulfur content of

Diesel Fuel.

3.5 California Reformulated Gasoline: gasoline me eting California Air Resources Board requirements for motor vehicle fuel as specif ied in California Code of Regulations, Title 13, Division 3, Chapter 5, Artic le 1, Subarticle 2 - Standards for gasoline sold beginning March 1, 1996.

3.6 Certified Compression-Ignited Engine: a Tier 1, Tier 2, Tier 3, or Tier 4 compression-ignited engine that is EPA certified as specified in Title 40 Code of Federal Regulations Part 89 or in Title 40 Code of Federal Regulations Part

1039.

3.7 Certified Spark-Ignited Engine: a spark-ignit ed engine that is used exclusively in agricultural operations and that is ARB certified a s specified in Title 13,

# PROPOSED November 14, 2013

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Amendments to Rule 4702 Division 3, Chapter 9, Article 4.5, Section 2433 of the California Code of Regulations and that has been certified to meet a C ertification Level for hydrocarbon plus NOx emissions of 0.6 grams/bhp-hr (40.2 ppmv) or less.

3.8 CO: carbon monoxide.

3.9 Compression-Ignited Internal Combustion Engine : an engine that uses the heat of compression to initiate combustion.

3.10 Cyclic Loaded Engine: an internal combustion engine that, under normal operating conditions, varies in shaft load by 40% o r more of rated brake horsepower during recurrent periods of 30 seconds o r less or is used to power an oil well reciprocating pump unit.

3.11 De-rated Engine: an internal combustion engin e which has been physically limited and restricted by permit condition to an operationa l level of less than 50 horsepower.

3.12 Diesel Engine: a compression-ignited internal combustion engine.

3.13 Disaster or State of Emergency: a fire, flood , earthquake, or other similar natural catastrophe.

3.14 Distributed Generation (DG): relatively small power plants, such as internal combustion engine generator sets, which are used to generate electrical power that is either fed into the power grid or used on-site. DG units are located throughout the grid and are usually sited in or close to load centers or utility customers’ sites.

Distributed Generation also refers to a mechanical drive system consisting of one or more internal combustion engines and electric mo tors, where use of the internal combustion engines or electric motors is interchang eable.

3.15 Emergency Standby Engine: an internal combust ion engine which operates as a temporary replacement for primary mechanical or ele ctrical power during an unscheduled outage caused by sudden and reasonably unforeseen natural disasters or sudden and reasonably unforeseen events beyond t he control of the operator. An engine shall be considered to be an emergency st andby engine if it is used only for the following purposes: (1) periodic maintenanc e, periodic readiness testing, or readiness testing during and after repair work; (2) unscheduled outages, or to supply power while maintenance is performed or repa irs are made to the primary power supply; and (3) if it is limited to operate 1 00 hours or less per calendar year for non-emergency purposes. An engine shall n ot be considered to be an emergency standby engine if it is used: (1) to redu ce the demand for electrical power when normal electrical power line service has not failed, or (2) to produce

# PROPOSED November 14, 2013

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Amendments to Rule 4702 power for the utility electrical distribution syste m, or (3) in conjunction with a voluntary utility demand reduction program or inter ruptible power contract.

3.16 EPA: U.S. Environmental Protection Agency.

3.17 Exhaust Control: device or technique used to treat an engine’s exhaust to reduce NOx, VOC, or CO emissions, and includes, but is not limited to, catalysts, afterburners, reaction chambers, and chemical injec tors.

3.18 Flood: a sudden and reasonably unforeseen ris ing and overflowing of a body of water especially onto normally dry land.

3.19 Gaseous Fuel: a fuel which is a gas at standa rd conditions including but not limited to natural gas, methane, ethane, propane, b utane and liquefied petroleum gas (LPG).

3.20 Higher Heating Value (hhv): the total heat li berated per mass or volume of fuel burned (expressed as Btu per pound, Btu per cubic f oot, or Btu per gallon), when fuel and dry air at Standard Conditions undergo com plete combustion and all resulting products are brought to their standard st ates at Standard Conditions. If certification of hhv is not provided by the fuel su pplier, it shall be determined by the applicable test methods specified in Section 6. 4.

3.21 Installation Date: the date that an internal combustion engine is initially placed at a location in order to be operated for the first time in its lifetime.

3.22 Internal Combustion Engine: a spark- or compr ession-ignited reciprocating engine.

3.23 Lean-Burn Engine: a spark-ignited internal co mbustion engine that is operated with an exhaust stream oxygen concentration of four (4) percent by volume, or greater, prior to any exhaust stream control device

.

3.24 Limited Use Engine: an internal combustion eng ine that is limited by a permit condition to be operated no more than 4,000 hours p er calendar year and provided the following requirements are met:

3.24.1 The engine is operated with an operating non resettable elapsed time

meter;

3.24.2 In lieu of an operating nonresettable elapse d time meter, the operator may use an alternative device, method, or technique , in determining operating time, provided that the alternative is ap proved by the APCO and EPA and is allowed by the Permit-to-Operate. T he operator must

# PROPOSED November 14, 2013

  Revised Proposed

Amendments to Rule 4702 demonstrate that the alternative device, method, or technique is equivalent to using a nonresettable elapsed time me ter;

3.24.3 The operator shall properly maintain and ope rate the nonresettable elapsed time meter or alternative device in accorda nce with the manufacturer’s instructions; and

3.24.4 The engine operator maintains records of the annual operating hours and makes the records available to the APCO upon reques t.

3.25 Location: a single site at a building, struct ure, facility, or installation.

3.26 Low-use Engine: an internal combustion engine that is limited by a permit condition to be operated no more than 200 hours per calendar year and the engine is not used to perform any of the functions specifi ed in Section 3.26.1 through

Section 3.26.3.

3.26.1 Generate electrical power that is either fed into the electrical utility power grid or used to reduce electrical power purchased b y a stationary source;

3.26.2 Generate mechanical power that is used to re duce electrical power purchased by a stationary source; or

3.26.3 Is used in a distributed generation applicat ion.

3.27 Military Tactical Equipment: a transportable engine operated by the United States armed forces or National Guard which is designed sp ecifically for military use in an off-road, dense terrain; hostile environment; or aboard military combat vessels.

3.28 Mobile Agricultural Equipment: equipment at a n agricultural operation which is towed or mounted on a vehicle and is continuously m oved during the operation of the equipment. Mobile Agricultural Equipment inclu des, but is not limited to sprayers, balers, and harvest equipment.

3.29 NOx: oxides of nitrogen, calculated as equiva lent nitrogen dioxide (NO 2 ).

3.30 Operator: includes but is not limited to any person who owns, leases, supervises, or operates a facility and/or equipment.

3.31 Public Utilities Commission (PUC) Quality Natu ral Gas: high methane gas (at least 80% methane by volume) as specified in PUC Ge neral Order 58-A.

3.32 Rated Brake Horsepower: the continuous brake horsepower rating specified for the engine by the manufacturer or listed on the nam eplate of the unit, unless

# PROPOSED November 14, 2013

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Amendments to Rule 4702 otherwise physically limited and specified by a condition on the engine's Permit-toOperate or Permit-Exempt Equipment Registration.

3.33 Replacement Engine: an engine that is install ed to replace an engine that was in place as of August 18, 2011, and that such replacem ent is performed solely for the purpose of complying with the requirements of S ection 5.2 of this rule.

3.34 Rich-Burn Engine: a spark-ignited internal co mbustion engine that is operated with an exhaust stream oxygen concentration of less than four (4) percent by volume prior to any exhaust stream control device.

3.35 Spark-Ignited Internal Combustion Engine: a l iquid or gaseous fueled engine designed to ignite its air/fuel mixture by a spark across a spark plug.

3.36 Stationary Source: as defined in Rule 2201 (N ew and Modified Stationary Source Review Rule).

3.37 Tier 1 Engine, Tier 2 Engine, Tier 3 Engine, a nd Tier 4 Engine: an EPAcertified compression-ignited engine that meets the Tier 1, Tier 2, or Tier 3 emission standards of Table 1 (Emission Standards i n g/kW-hr (g/hp-hr)) on page 56970 of the Final Rule (63 Fed. Reg. 205, Oct ober 23, 1998) or the Tier 4 emission standards of Table II.A.2. (Tier 4 NOx a nd NMHC Standards and Schedule) on page 38971 of the Final Rule (69 Fed. Reg. 124, June 29, 2004) or Table II.A.-4 (Tier 4 Standards for Engines Over 750 hp (g/bhp-hr)) on page 38980 of the Final Rule (69 Fed. Reg. 124, June 29, 2004), respectively.

3.38 VOC: volatile organic compounds, as defined i n Rule 1020 (Definitions).

3.39 Waste Gas: an untreated, raw gas derived thro ugh a natural process, such as anaerobic digestion, from the decomposition of orga nic waste at municipal solid waste landfills or publicly owned wastewater treatm ent facility. Waste gas includes landfill gas which is generated at landfil ls, digester gas which is generated at sewage treatment facilities, or a comb ination of the two.

3.40 Wind Machine: a machine consisting of a large fan mounted on a tower powered by an internal combustion engine, used excl usively to provide protection to crops, including, but not limited to oranges, lemons, and grapes, from cold weather by effecting a heat transfer by m oving warmer atmospheric air downward and mixing it with the colder air surr ounding a crop.

# PROPOSED November 14, 2013

  Revised Proposed

Amendments to Rule 4702 4.0 Exemptions

4.1 The requirements of this rule shall not apply t o the following engines:

4.1.1 An engine used to propel implements of husban dry, as that term is

defined in Section 36000 of the California Vehicle Code, as that section existed on January 1, 2003.

4.1.2 An engine used exclusively to power a wind ma chine.

4.1.3 A de-rated spark-ignited engine not used in a gricultural operations, provided the de-rating occurred before June 1, 2004

.

4.1.4 A de-rated spark-ignited engine used in agric ultural operations or a derated compression-ignited engine, provided the de-r ating occurred before June 1, 2005.

4.1.5 An engine used exclusively to power Mobile Ag ricultural Equipment.

4.1.6 An internal combustion engine registered as a portable emissions unit under the Statewide Portable Equipment Registration Progr am pursuant to California Code of Regulations Title 13, Division 3 , Chapter 9, Article 5,

Sections 2450-2465.

4.1.7 An internal combustion engine registered as a portable emissions unit under Rule 2280 (Portable Equipment Registration).

4.2 Except for the requirements of Sections 5.9 and 6.2.3, the requirements of this rule shall not apply to an emergency standby engine or a low-use engine, provided that the engine is operated with an operating nonre settable elapsed time meter.

4.2.1 In lieu of operating a nonresettable elapsed time meter, the operator may use an alternative device, method, or technique, in determining operating time, provided that the alternative is approved by the APCO and EPA and is allowed by the Permit-to-Operate or Permit-E xempt Equipment Registration. The operator must demonstrate that t he alternative device, method, or technique is equivalent to using a nonre settable elapsed time

meter.

4.2.2 The operator shall properly maintain and oper ate the nonresettable elapsed

time meter or alternative device in accordance with the manufacturer’s

instructions.

# PROPOSED November 14, 2013

   Revised Proposed

Amendments to Rule 4702 4.3 Except for the administrative requirements of S ection 6.2.3, the requirements of this rule shall not apply to the following:

4.3.1 An internal combustion engine that meets the following conditions:

4.3.1.1 The engine is operated exclusively to prese rve or protect property, human life, or public health during a dis aster or state of emergency, such as a fire or flood; and

4.3.1.2 Except for operations associated with Secti on 4.3.1.1, the engine is limited to operate no more than 100 hours per calendar year as determined by an operational nonre settable elapsed time meter, for periodic maintenance, perio dic readiness testing, and readiness testing during and after repair work of the engine; and

4.3.1.3 The engine is operated with an operational nonresettable elapsed time meter. In lieu of installing a nonres ettable elapsed time meter, the operator of an engine may use an al ternative device, method, or technique, in determining operat ing time provided that the alternative is approved by the AP CO and EPA. The operator of the engine shall properly mai ntain and operate the nonresettable elapsed time meter or alt ernative device

in accordance with the manufacturer’s instructions.

4.3.2 Military Tactical Equipment and engines used to retract military aircraft arresting gear cables.

4.4 For existing facilities, a replacement unit ins talled for the sole purpose of complying with the requirements of this rule shall be considered to be an emission control technique and shall be exempt from the Best Available Control Technology (BACT) and offsets requirements of Distr ict Rule 2201 (New and Modified Stationary Source Review Rule) provided th at all other requirements

of Rule 2201 are met.

4.5 Except for the requirements of Section 5.1, the requirements of this rule shall not apply to stationary engines rated at least 25 B rake Horsepower, up to, and including 50 Brake Horsepower.

# PROPOSED November 14, 2013

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Amendments to Rule 4702 5.0 Requirements

5.1 Stationary Engines Rated at Least 25 Brake Hors epower, Up To, and Including 50 Brake Horsepower and Used in Non-Agricultural Op erations (Non-AO)

5.1.1 On and after July 1, 2012, no person shall se ll or offer for sale any nonAO spark-ignited engine or any non-AO compression-i gnited engine unless the engine meets the applicable requirements and emission limits specified in 40 Code of Federal Regulation (CFR) 60 Subpart IIII (Standards of Performance for Stationary Compressio n Ignition Internal Combustion Engines) and 40 CFR 60 Subpart JJJJ (Sta ndards of Performance for Stationary Spark Ignition Internal Combustion Engines) for the year in which the ownership of the engine c hanges.

5.1.2 By January 1, 2013, the operator shall submit a one-time report that includes the number of engines at the stationary so urce, and the following information for each engine:

5.1.2.1 Location of each engine, 5.1.2.2 Engine manufacturer, 5.1.2.3 Model designation and engine serial number, 5.1.2.4 Rated brake horsepower, 5.1.2.5 Type of fuel and type of ignition, 5.1.2.6 Combustion type: rich-burn, lean-burn, or c ompression

ignition, 5.1.2.7 Purpose, and intended use, of the engine,

5.1.2.8 Typical daily operating schedule, and 5.1.2.9 Fuel consumption (cubic feet for gas or gal lons for liquid fuel)

for the previous one-year period.

5.2 Stationary Engines Rated at Greater than 50 Bra ke Horsepower (>50 bhp)

5.2.1 Spark Ignited Engines Used in non-AO - Table 1 Emission

Limits/Standards

The operator of a spark-ignited internal combustion engine rated at >50 bhp that is used exclusively in non-AO shall not op erate it in such a manner that results in emissions exceeding the limi ts in Table 1 for the appropriate engine type until such time that the en gine has demonstrated compliance with Table 2 emission limits pursuant to the compliance deadlines in Section 7.5. In lieu of complying wit h Table 1 emission limits, the operator of a spark-ignited engine shal l comply with the applicable emission limits pursuant to Section 8.0.

# PROPOSED November 14, 2013

  Revised Proposed

Amendments to Rule 4702 Table 1 Emission Limits/Standards for a Spark-Igni ted Internal Combustion Engine rated at

>50 bhp Used Exclusively in Non-AO (All ppmv limits are corrected to 15% oxygen on a dry basis.).

Engine Type NOx CO VOC

1. Rich-Burn

a. Waste gas fueled 50 ppmv or
90% reduction 2000 ppmv 250 ppmv

b. Cyclic loaded, field gas fueled 50 ppmv 2000 p pmv 250 ppmv

c. All other engines 25 ppmv or
96% reduction 2000 ppmv 250 ppmv

2. Lean-Burn
a. Two stroke, gaseous fueled, less than 100 horsepower 75 ppmv or
85% reduction 2000 ppmv 750 ppmv

b. All other engines 65 ppmv or
90% reduction 2000 ppmv 750 ppmv

5.2.2 Spark-Ignited Engines Used in non-AO – Table 2 Emission

Limits/Standards

On and after the compliance schedule specified in S ection 7.5, the operator of a spark-ignited engine > 50 bhp that is used in non-AO shall comply with all the applicable requirements of the rule and one of the following, on an engine-by-engine basis:

5.2.2.1 On and after the compliance schedule specif ied in Section 7.5, the operator of a spark-ignited engine that is used exclusively in non-AO shall comply with Sections 5.2.2.1.1 through 5.2.2.1.3 on an engine-by-engine basis:

5.2.2.1.1 NOx, CO, and VOC emission limits pursuant to Table 2;

5.2.2.1.2 SOx control requirements of Section 5.7, pursuant to

the deadlines specified in Section 7.5; and

5.2.2.1.3 Monitoring requirements of Section 5.10, pursuant to

the deadlines specified in Section 7.5.

5.2.2.2 In lieu of complying with the NOx emission limit requirement of Section 5.2.2.1.1, an operator may pay an annual fe e to the District, as specified in Section 5.6, pursuant to Section 7.6.

# PROPOSED November 14, 2013

   Revised Proposed

Amendments to Rule 4702 5.2.2.2.1 Engines in the fee payment program shall have actua l

emissions not greater than the applicable limits in Table 1 during the entire time the engine is part o f the fee payment program.

5.2.2.2.2 Compliance with Section 5.7 and 5.10, pursuant to t he deadlines specified in Section 7.5, is also require d as part of the fee payment option.

5.2.2.3 In lieu of complying with the NOx, CO, and VOC limits of Table 2 on an engine-by-engine basis, an operator may ele ct to implement an alternative emission control plan purs uant to Section 8.0. An operator electing this option shal l not be eligible to participate in the fee payment option outlined i n Section

5.2.2.2 and Section 5.6.

Table 2 Emission Limits for a Spark-Ignited Intern al Combustion Engine Rated at >50 bhp Used Exclusively in Non-AO (All ppmv limits are cor rected to 15% oxygen on a dry basis). Emission Limits are effective according to the compliance schedule specified

in Section 7.5.

Engine Type NOx Limit (ppmv) CO Limit

(ppmv) VOC Limit

(ppmv)

1. Rich-Burn

a. Waste Gas Fueled 50 2000 250 b. Cyclic Loaded, Field Gas Fueled 50 2000 250

c. Limited Use 25 2000 250
d. Rich-Burn Engine, not listed above 11 2000 250
2. Lean-Burn Engines
a. Two-Stroke, Gaseous Fueled, >50 bhp and < 100 bhp 75 2000 750

b. Limited Use 65 2000 750 c. Lean-Burn Engine used for gas compression 65 ppmv or
93% reduction 2000 750

d. Waste Gas Fueled 65 ppmv or
90% reduction 2000 750

ed. Lean-Burn Engine, not listed above 11 2000 750

5.2.3 Spark-Ignited Engines Used Exclusively in Agr icultural Operations (AO)

5.2.3.1 The operator of a spark-ignited internal co mbustion engine rated at >50 bhp that is used exclusively in AO shall not operate it in such a manner that results in emissions exceeding t he limits in

# PROPOSED November 14, 2013

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Amendments to Rule 4702 Table 3 for the appropriate engine type on an engin e-by-engine

basis.

5.2.3.2 In lieu of complying with the NOx, CO, and VOC limits of Table 3 on an engine-by-engine basis, an operator may ele ct to implement an alternative emission control plan purs uant to
Section 8.0.

5.2.3.3 An operator of an AO spark-ignited engine t hat is subject to the applicable requirements of Table 3 shall not replac e such engine with an engine that emits more emissions of NOx, VO C, and CO, on a ppmv basis, (corrected to 15% oxygen on a dry basis) than the engine being replaced.

Table 3 Emission Limits/Standards and Compliance Sc hedule for a Spark-Ignited Internal Combustion Engine >50 bhp Used Exclusively in AO (A ll ppmv limits are corrected to 15% oxygen on a dry basis). Engine Type NOx Limit CO Limit VOC Limit
1. Rich-Burn 90 ppmv or 80% reduction 2000 ppmv 25 0 ppmv

2. Lean-Burn 150 ppmv or 70% reduction 2000 ppmv 7 50 ppmv

3. Certified and installed on or before June 16, 2005 Meet a Certified Spark-Ignited Engine Standard of HC + NOx < 0.6 g/bhp-hr

5.2.4 Certified Compression-Ignited Engines (AO and non-AO)

The operator of a certified compression-ignited eng ine rated > 50 bhp shall comply with the following requirements:

5.2.4.1 Repower, replace, or control the engine’s e missions to comply

with the applicable limits/standards in Table 4 on an engine-byengine basis by the compliance dates as specified i n Table 4.

5.2.4.2 The annual hours of operation shall be dete rmined on a calendar

year basis.

5.2.4.3 In lieu of complying with the NOx, CO, and VOC limits of

Table 4 on an engine-by-engine basis, an operator m ay elect to implement an alternative emission control plan purs uant to
Section 8.0.

5.2.4.4 An operator of an AO compression-ignited en gine that is

subject to the applicable requirements of Table 4 s hall not

# PROPOSED November 14, 2013

   Revised Proposed

Amendments to Rule 4702 replace such engine with an engine that emits more emissions of NOx, VOC, and CO, on a ppmv basis, (corrected to 15% oxygen on a dry basis) than the engine being replac ed.

5.2.4.5 Non-AO compression-ignited engines shall be operated in such

a manner to comply with the SOx control requirement s of Section 5.7 and the SOx monitoring requirements of Section

5.10.

Table 4 Emission Limits/Standards and Compliance S chedule for Compression-Ignited Internal Combustion Engine (corrected to 15% oxygen on a dry basis)

Engine Type Emission Limit/

Standard Compliance Date

1. Non-Certified Compression-Ignited Engine Install ed on or before June 1, 2006

a. Greater than 50 bhp but not more than 500 bhp EPA Tier 3

or Tier 4 1/1/2010

b. Greater than 500 bhp but not more than 750 bhp and less than 1000 annual operating

hours EPA Tier 3 1/1/2010

c. Greater than 750 bhp and

less than 1000 annual operating hours EPA Tier 4 7/1/2011

d. Greater than 500 bhp and greater than or equal to 1000 annual operating hours 80 ppmv NOx, 2,000 ppmv CO, 750 ppmv VOC 1/1/2008 or, if owner has an

agreement to electrify, comply by 1/1/2010

2. Certified Compression-Ignited Engine

a. EPA Certified Tier 1 or Tier 2 Engine EPA Tier 4 1/1/2015 or 12 years after installation date, but not later

than 6/1/2018

b. EPA Certified Tier 3 or Tier 4 Engine Meet Certified Compression-Ignited Engine Standard in effect

at time of installation At time of installation

# PROPOSED November 14, 2013

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Amendments to Rule 4702 5.2.5 Non-Certified Compression-Ignited Engines (AO and Non-AO)

The operator of a non-certified compression-ignited engine, in place on or before June 1, 2006, shall comply with the Emiss ion Limit/Standard and Compliance Date in Table 4 based on the non-cer tified compressionignited engine that was in place on June 1, 2006, u nless the operator meets one of the following conditions:

5.2.5.1 Replace the non-certified compression-ignit ed engine with a non-modified Tier 3 or a non-modified Tier 4 engine after June 1, 2006;

5.2.5.2 Control the non-certified compression-ignit ed engine after June 1, 2006, to emit emissions less than, or equal to, 80 ppmv NOx, 2,000 ppmv CO, and 750 ppmv VOC (corrected to 15% oxygen on a dry basis); or

5.2.5.3 Replace the non-certified compression-ignit ed engine after June 1, 2006, with an engine or other source with emissi ons less than, or equal to, 80 ppmv NOx, 2,000 ppmv CO, and 750 ppmv VOC (corrected to 15% oxygen on a dry basis).

5.3 All continuous emission monitoring systems (CE MS) emissions measurements shall be averaged over a period of 15 consecutive m inutes. Any 15-consecutiveminute block average CEMS measurement exceeding the applicable emission

limits of this rule shall constitute a violation of this rule.

5.4 Percent emission reductions, if used to comply with the NOx emission limits of Section 5.2, shall be calculated as follows:

5.4.1 For engines with external control devices tha t are not operated in

combination with a second emission control device o r technique, percent reduction shall be calculated using emission sample s taken at the inlet and

outlet of the control device.

5.4.2 For engines without external control devices and for engines with an

external control device in combination with a secon d emission control device or technique, percent reduction shall be bas ed on source test results for the uncontrolled engine and the engine after th e control device or technique has been employed. In this situation, th e engine’s typical operating parameters, loading, and duty cycle shall be documented and repeated at each successive post-control source tes t to ensure that the engine is meeting the percent reduction limit. Whe n representative source sampling prior to the application of an emissions c ontrol technology or

# PROPOSED November 14, 2013

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Amendments to Rule 4702 technique is not available, the APCO may approve th e use of a

manufacturer’s uncontrolled emissions information o r source sampling from a similar, uncontrolled engine.

5.5 The operator of an internal combustion engine t hat uses percent emission reduction to comply with the NOx emission limits of Section 5.2 shall provide an

accessible inlet and outlet on the external control device or the engine as appropriate for taking emission samples and as appr oved by the APCO.

5.6 Payment of an Annual Fee In Lieu of Complying w ith a NOx Emission Limit

The operator of a non-AO spark-ignited engine who e lects to comply under Section 5.2.2.2 shall comply with the requirements of Sections 5.6 by the schedule specified in Section 7.6 and all other applicable p rovisions of this rule.

5.6.1 An operator shall pay a total annual fee to t he District based on the total NOx emissions from those engines that will be subje ct to Section 5.2.2.2. The annual fee shall be calculated in the following manner:

5.6.1.1 The operator shall calculate the total emis sions for all engines operating at a stationary source that will comply w ith Section

5.2.2.2. The total NOx emissions shall be calculat ed in

accordance with Section 5.6.1.3.

5.6.1.2 The total annual fee shall be calculated in accordance with Section 5.6.1.4. These calculations include only the units that have been identified to comply with Section 5.2.2.2.

5.6.1.3 Total Emissions (TE) Calculation

E (engine) = A x B x C x D x 2.147 x 10 -16

Where:

E (engine) = Annual NOx emissions for each unit, in

tons/year.

A = NOx emission limit for the Permit-to-Operate,

in ppmvd corrected to 15% oxygen.

B = Annual fuel use (ft3/year)

C = Fuel higher heating value (Btu/ft3) for natural

gas use 1,000 Btu/ft3

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Amendments to Rule 4702 D = Fuel F-Factor at 60 o F (Dscf/MMBtu) for

natural gas use 8,579 Dscf/MMBtu

TE = 

# ∑ )

engine (E

Where:



# ∑ ) engine (E = Sum of all NOx emissions from all units in the

annual fee program, in tons per year.

5.6.1.4 Total Annual Fee Calculation

Total Annual Fee = (TE x FR) + Administrative Fee

Where:

TE = Total Emissions, in tons per year, as calculat ed

in Section 5.6.1.3.

FR (Fee Rate) = the cost of NOx reductions, in doll ars per ton,

as established by District Rule 9510. Under no circumstances shall the cost per ton of NOx

reductions exceed the cost effectiveness threshold for the Carl Moyer Cost Effectiveness, as established by the applicable

state law.

Administrative Fee = 4% x (TE x FR)

5.7 Sulfur Oxides (SOx) Emission Control Requiremen ts

On and after the compliance schedule specified in S ection 7.5, operators of nonAO spark-ignited engines and non-AO compression-ign ited engines shall comply with one of the following requirements:

5.7.1 Operate the engine exclusively on PUC-quality natural gas, commercial propane, butane, or liquefied petroleum gas, or a c ombination of such

gases; or

# PROPOSED November 14, 2013

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Amendments to Rule 4702 5.7.2 Limit gaseous fuel sulfur content to no more than five (5) grains of total sulfur per one hundred (100) standard cubic feet; o r

5.7.3 Use California Reformulated Gasoline for gaso line-fired spark-ignited engines; or

5.7.4 Use California Reformulated Diesel for compre ssion-ignited engines; or

5.7.5 Operate the engine on liquid fuel that contai ns no more than 15 ppm sulfur, as determined by the test method specified in Section 6.4.6; or

5.7.6 Install and properly operate an emission cont rol system that reduces SO 2 emissions by at least 95% by weight as determined b y the test method specified in Section 6.4.6.

5.8 Monitoring Requirements: Non-AO Spark-Ignite d Engines and Engines in an AECP (Section 8.0)

The operator of a non-AO spark-ignited engine subje ct to the requirements of Section 5.2 or any engine subject to the requiremen ts of Section 8.0 shall comply with the following requirements:

5.8.1 For each engine with a rated brake horsepowe r of 1,000 bhp or greater and which is allowed by Permit-to-Operate or Permit-Exe mpt Equipment Registration condition to operate more than 2,000 h ours per calendar year, or with an external emission control device, either install, operate, and maintain continuous monitoring equipment for NOx, C O, and oxygen, as identified in Rule 1080 (Stack Monitoring), or inst all, operate, and maintain APCO-approved alternate monitoring. The m onitoring system may be a continuous emissions monitoring system (CE MS), a parametric emissions monitoring system (PEMS), or an alternati ve monitoring system approved by the APCO. APCO-approved alternate moni toring shall consist of one or more of the following:

5.8.1.1 Periodic NOx and CO emission concentration s, 5.8.1.2 Engine exhaust oxygen concentration, 5.8.1.3 Air-to-fuel ratio, 5.8.1.4 Flow rate of reducing agents added to engi ne exhaust, 5.8.1.5 Catalyst inlet and exhaust temperature, 5.8.1.6 Catalyst inlet and exhaust oxygen concentr ation, or 5.8.1.7 Other operational characteristics.

# PROPOSED November 14, 2013

   Revised Proposed

Amendments to Rule 4702 5.8.2 For each engine not subject to Section 5.8.1 , monitor operational characteristics recommended by the engine manufactu rer or emission control system supplier, and approved by the APCO.

5.8.3 For each engine with an alternative monitori ng system, submit to, and receive approval from the APCO, adequate verificati on of the alternative monitoring system’s acceptability. This would incl ude data demonstrating the system’s accuracy under typical o perating conditions for the specific application and any other informat ion or data deemed necessary in assessing the acceptability of the alt ernative monitoring
system.

5.8.4 For each engine with an APCO approved CEMS, operate the CEMS in compliance with the requirements of 40 Code of Fede ral Regulations (CFR) Part 51, 40 CFR Parts 60.7 and 60.13 (except subsection h), 40 CFR Appendix B (Performance Specifications), 40 CFR Appendix F (Quality Assurance Procedures), and applicable prov isions of Rule 1080 (Stack Monitoring).

5.8.5 For each engine, have the data gathering and retrieval capabilities of an installed monitoring system described in Section 5. 8 approved by the

APCO.

5.8.6 For each engine, install and operate a nonre settable elapsed time meter.

5.8.6.1 In lieu of installing a nonresettable elaps ed time meter, the operator may use an alternative device, method, or technique, in determining operating time provided that the altern ative is approved by the APCO and EPA and is allowed by a Pe rmit-toOperate or Permit-Exempt Equipment Registration con dition.

5.8.6.2 The operator shall properly maintain and op erate the nonresettable elapsed time meter or alternative device in accorda nce with the

manufacturer’s instructions.

5.8.7 For each engine, implement the Inspection an d Monitoring (I&M) plan, if any, submitted to and approved by the APCO pursuant to Section 6.5.

5.8.8 For each engine, collect data through the I& M plan in a form approved by

the APCO.

5.8.9 For each engine, use a portable NOx analyzer to take NOx emission readings to verify compliance with the emission req uirements of Section

# PROPOSED November 14, 2013

   Revised Proposed

Amendments to Rule 4702 5.2 or Section 8.0 during each calendar quarter in which a source test is not performed and the engine is operated.

5.8.9.1 If an engine is operated less than 120 cale ndar days per calendar year, take one NOx emission reading during the cale ndar year in which a source test is not performed and the engine is operated.

5.8.9.2 All emission readings shall be taken with t he engine operating either at conditions representative of normal opera tions or conditions specified in the Permit-to-Operate or Pe rmit-Exempt Equipment Registration.

5.8.9.3 The analyzer shall be calibrated, maintaine d, and operated in accordance with the manufacturer’s specifications a nd recommendations or a protocol approved by the APCO.

5.8.9.4 All NOx emissions readings shall be reporte d to the APCO in a manner approved by the APCO.

5.8.9.5 NOx emission readings taken pursuant to thi s section shall be averaged over a 15 consecutive-minute period by eit her taking a cumulative 15 consecutive-minute sample reading or by taking at least five (5) readings evenly spaced out over the 15 consecutiveminute period.

5.8.10 The APCO shall not approve an alternative m onitoring system unless it is documented that continued operation within range s of specified emissions-related performance indicators or operati onal characteristics provides a reasonable assurance of compliance with applicabl e emission limits. The operator shall source test over the pr oposed range of surrogate operating parameters to demonstrate compl iance with the applicable emission standards.

5.8.11 For each engine subject to Section 8.0, ins tall and operate a nonresettable

fuel meter.

5.8.11.1 In lieu of installing a nonresettable fuel meter, the operator may use an alternative device, method, or technique in determining daily fuel consumption provided that the alternativ e is approved by the APCO and EPA.

5.8.11.2 The operator shall properly maintain, oper ate, and calibrate the required fuel meter in accordance with the manufact urer’s

instructions.

# PROPOSED November 14, 2013

   Revised Proposed

Amendments to Rule 4702 5.9 Monitoring Requirements: All Other Engines

5.9.1 The operator of any of the following engines shall comply with the requirements specified in Section 5.9.2 through Sec tion 5.9.5 below:

5.9.1.1 An AO spark-ignited engine subject to the r equirements of Section 5.2;

5.9.1.2 A compression-ignited engine subject to the requirements of Section 5.2; or

5.9.1.3 An engine subject to Section 4.2.

5.9.2 Properly operate and maintain each engine as recommended by the engine manufacturer or emission control system supplier.

5.9.3 Monitor the operational characteristics of ea ch engine as recommended by the engine manufacturer or emission control system supplier.

5.9.4 Install and operate a nonresettable elapsed t ime meter.

5.9.4.1 In lieu of installing a nonresettable elaps ed time meter, the operator may use an alternative device, method, or technique, in determining operating time provided that the alt ernative is approved by the APCO and EPA and is allowed by a Pe rmit-toOperate or Permit-Exempt Equipment Registration con dition.

5.9.4.2 The operator shall properly maintain and op erate the nonresettable elapsed time meter or alternative dev ice in

accordance with the manufacturer’s instructions.

5.9.5 The operator of an AO spark-ignited engine t hat has been retro-fitted with

a NOx exhaust control that has not been certified i n accordance with Section 9.0 Exhaust Control System Certification Re quirements, or a compression-ignited engine that has been retro-fitt ed with a NOx exhaust control shall comply with the following:

5.9.5.1 Use a portable NOx analyzer to take NOx emi ssion readings to demonstrate compliance with the emission requiremen ts of

Section 5.2.

5.9.5.2 The operator of a compression-ignited engin e that is subject to the limits/standards of Section 5.2 Table 4 Category 1. d shall use a

# PROPOSED November 14, 2013

   Revised Proposed

Amendments to Rule 4702 portable NOx analyzer to take NOx emission readings at least once every six (6) months that the engine is operat ed.

5.9.5.3 The operator of any other engine that has b een retro-fitted with a NOx exhaust control shall use a portable NOx analyz er to take NOx emission readings at least once every 24 months that the engine is operated.

5.9.5.4 All emission readings shall be taken with t he engine operating either at conditions representative of normal opera tions or conditions specified in the Permit-to-Operate or Pe rmit-Exempt Equipment Registration.

5.9.5.5 The portable NOx analyzer shall be calibrat ed, maintained, and operated in accordance with the manufacturer’s spec ifications and recommendations or a protocol approved by the A PCO.

5.9.5.6 All NOx emissions readings shall be reporte d to the APCO in a manner approved by the APCO.

5.9.5.7 NOx emission readings taken pursuant to thi s section shall be averaged over a 15 consecutive-minute period by eit her taking a cumulative 15 consecutive-minute sample reading or by taking at least five (5) readings evenly spaced out over t he 15 consecutive-minute period.

5.10 SOx Emissions Monitoring Requirements

On and after the compliance schedule specified in S ection 7.5, an operator of a non-AO engine shall comply with the following requi rements:

5.10.1 An operator of an engine complying with Sect ions 5.7.2 or 5.7.5 shall perform an annual sulfur fuel analysis in accordanc e with the test methods in Section 6.4. The operator shall keep th e records of the fuel analysis and shall provide it to the District upon request,

5.10.2 An operator of an engine complying with Sect ion 5.7.6 by installing and operating a control device with at least 95% by weight SOx reduction efficiency shall submit for approval by t he APCO the proposed the key system operating parameters and fr equency of the monitoring and recording not later than July 1, 201 3, and

5.10.3 An operator of an engine complying with Sect ion 5.7.6 shall perform an annual source test unless a more frequent sampli ng and reporting

# PROPOSED November 14, 2013

   Revised Proposed

Amendments to Rule 4702 period is included in the Permit-to-Operate. Sourc e tests shall be performed in accordance with the test methods in Se ction 6.4.

5.11 Permit-Exempt Equipment Registration Requireme nts

The operator of an engine used exclusively in agric ultural operations shall register such engine pursuant to Rule 2250 (Permit-Exempt Eq uipment Registration), except for an engine that meets any one of the foll owing conditions:

5.11.1 The engine is required to have a Permit-to- Operate pursuant to California Health and Safety Code Section 42301.16; or

5.11.2 The engine is not required to comply with S ection 5.2 of this rule.

6.0 Administrative Requirements

6.1 Emission Control Plan

The operator of an engine subject to the requiremen ts of Section 5.2 of this rule shall submit to the APCO an APCO-approvable emissio n control plan of all actions to be taken to satisfy the emission require ments of Section 5.2 and the compliance schedules of Section 7.0. If there is n o change to the previouslyapproved emission control plan, the operator shall submit a letter to the District indicating that the previously approved plan is sti ll valid.

6.1.1 The requirement to submit an emission control plan shall apply to the following engines:

6.1.1.1 Engines that have been retrofitted with an exhaust control device, except those certified per Section 9.0;

6.1.1.2 Engines subject to Section 8.0;

6.1.1.3 An AO spark-ignited engine that is subject to the requirements of Section 8.0;

6.1.1.4 An AO spark-ignited engine that has been re trofitted with a catalytic emission control and is not subject to th e requirements of

Section 8.0.

# PROPOSED November 14, 2013

   Revised Proposed

Amendments to Rule 4702 6.1.2 Such emission control plan shall contain the following information, as applicable for each engine:

6.1.2.1 Permit-to-Operate number, Authority-to-Cons truct number, or Permit-Exempt Equipment Registration number, 6.1.2.2 Engine manufacturer, 6.1.2.3 Model designation and engine serial number, 6.1.2.4 Rated brake horsepower, 6.1.2.5 Type of fuel and type of ignition, 6.1.2.6 Combustion type: rich-burn or lean-burn, 6.1.2.7 Total hours of operation in the previous on e-year period, including typical daily operating schedule, 6.1.2.8 Fuel consumption (cubic feet for gas or gal lons for liquid) for the previous one-year period,

6.1.2.9 Stack modifications to facilitate continuou s in-stack monitoring and to facilitate source testing, 6.1.2.10 Type of control to be applied, including i n-stack monitoring specifications, 6.1.2.11 Applicable emission limits, 6.1.2.12 Documentation showing existing emissions o f NOx, VOC, and CO, and 6.1.2.13 Date that the engine will be in full compl iance with this rule.

6.1.3 The emission control plan shall identify the type of emission control device or technique to be applied to each engine and a con struction/removal schedule, or shall provide support documentation su fficient to demonstrate that the engine is in compliance with the emission requirements of this rule.

6.1.4 For an engine being permanently removed from service, the emission control plan shall include a letter of intent pursu ant to Section 7.2.

6.2 Recordkeeping

6.2.1 The operator of an engine subject to the requ irements of Section 5.2 of this rule shall maintain an engine operating log to demo nstrate compliance with

this rule. This information shall be retained for a period of at least five years, shall be readily available, and be made avai lable to the APCO upon request. The engine operating log shall include, o n a monthly basis, the following information:

6.2.1.1 Total hours of operation, 6.2.1.2 Type of fuel used, 6.2.1.3 Maintenance or modifications performed, 6.2.1.4 Monitoring data,

# PROPOSED November 14, 2013

   Revised Proposed

Amendments to Rule 4702 6.2.1.5 Compliance source test results, and 6.2.1.6 Any other information necessary to demonstr ate compliance with

this rule. 6.2.1.7 For an engine subject to Section 8.0, the q uantity (cubic feet of gas or gallons of liquid) of fuel used on a daily b asis.

6.2.2 The data collected pursuant to the requiremen ts of Section 5.8 and Section 5.9 shall be maintained for at least five years, sh all be readily available, and made available to the APCO upon request.

6.2.3 An operator claiming an exemption under Secti on 4.2 or Section 4.3 shall maintain annual operating records. This informatio n shall be retained for at least five years, shall be readily available, an d provided to the APCO upon request. The records shall include, but are n ot limited to, the following:

6.2.3.1 Total hours of operation, 6.2.3.2 The type of fuel used, 6.2.3.3 The purpose for operating the engine, 6.2.3.4 For emergency standby engines, all hours of non-emergency and emergency operation shall be reported, and 6.2.3.5 Other support documentation necessary to de monstrate claim to the exemption.

6.3 Compliance Testing

The operator of an engine subject to the requiremen ts of Section 5.2 or the requirements of Section 8.0 shall comply with the f ollowing requirements:

6.3.1 The requirements of Section 6.3.2 through Sec tion 6.3.4 shall apply to the following engines:

6.3.1.1 Engines that have been retrofitted with an exhaust control device, except those certified per Section 9.0;

6.3.1.2 Engines subject to Section 8.0;

6.3.1.3 An AO spark-ignited engine that is subject to the requirements of Section 8.0;

6.3.1.4 An AO spark-ignited engine that has been re trofitted with a catalytic emission control and is not subject to th e requirements of

Section 8.0.

# PROPOSED November 14, 2013

  Revised Proposed

Amendments to Rule 4702 6.3.2 Demonstrate compliance with applicable limits , ppmv or percent reduction, in accordance with the test methods in Section 6.4, as specified below:

6.3.2.1 By the applicable date specified in Section 5.2, and at least once every 24 months thereafter, except for an engine su bject to

Section 6.3.2.2.

6.3.2.2 By the applicable date specified in Section 5.2 and at least once every 60 months thereafter, for an AO spark-ignited engine that has been retro-fitted with a catalytic emission con trol device.

6.3.2.3 A portable NOx analyzer may be used to show initial compliance with the applicable limits/standards in Section 5.2 for AO sparkignited engines, provided the criteria specified in Sections 6.3.2.3.1 to 6.3.2.3.5 are met, and a source test i s conducted in

accordance with Section 6.3.2 within 12 months from the required compliance date.

6.3.2.3.1 A minimum of 15 minutes of runtime must b e

measured with data recorded at a minimum of 15, evenly spaced time intervals. Compliance is to be determined with the arithmetic average of the oxygen-corrected data;

6.3.2.3.2 The analyzer shall be calibrated, maintai ned, and

operated in accordance with the manufacturer’s specifications and recommendations or a protocol approved by the APCO. Analyzer calibration

records shall be made available at the District’s

request;

6.3.2.3.3 The analyzer shall be checked with EPA pr otocol

span gas at the beginning and end of each test day.

The results of these checks shall be recorded and copies submitted to the District with each engine test. If the analyzer exhibits more than a 10% deviation from the span check, the instrument must be re-calibrated. Any analysis performed prior to an end-of-day span check failure shall be void;

6.3.2.3.4 The test results of each engine, includin g span check

results, shall be submitted to the District within 30 days of the test date. Test results shall clearly identify the engine tested including operator,

# PROPOSED November 14, 2013

   Revised Proposed

Amendments to Rule 4702 location, permit or registration number, manufacturer, model, and serial number; and

6.3.2.3.5 The analyzer utilized for each check sha ll be clearly

identified in the material submitted with the test

results. Identification shall include manufacturer and serial number of the analyzer used, and the last

calibration date.

6.3.3 Conduct emissions source testing with the eng ine operating either at conditions representative of normal operations or c onditions specified in the Permit-to-Operate or Permit-Exempt Equipment Re gistration. For emissions source testing performed pursuant to Sect ion 6.3.2 for the purpose of determining compliance with an applicabl e standard or numerical limitation, the arithmetic average of thr ee (3) 30-consecutiveminute test runs shall apply. If two (2) of three (3) runs are above an applicable limit, the test cannot be used to demons trate compliance with an applicable limit. VOC shall be reported as methane . VOC, NOx, and CO concentrations shall be reported in ppmv, corrected to 15 percent oxygen. For engines that comply with a percent reduction li mit, the percent reduction of NOx emissions shall also be reported.

6.3.4 In addition to other information, the source test protocol shall describe which critical parameters will be measured and how the appropriate range for these parameters shall be established. T he range for these parameters shall be incorporated into the I&M plan.

6.3.5 Engines that are limited by Permit-to-Operate or Permit-Exempt Equipment Registration condition to be fueled exclu sively with PUC quality natural gas shall not be subject to the reo ccurring source test requirements of Section 6.3.2 for VOC emissions.

6.3.6 Representative Testing

For spark-ignited engines, in lieu of compliance wi th the applicable requirements of Section 6.3.2, compliance with the applicable emission limits in Section 5.2 shall be demonstrated by subm ittal of annual emission test results, within 30 days of the test date, to t he District, from a unit or units that represents a specified group of units, p rovided all of the following requirements are satisfied:

6.3.6.1 The units are located at the same stationar y source;

# PROPOSED November 14, 2013

   Revised Proposed

Amendments to Rule 4702 6.3.6.2 The units were produced by the same manufac turer, have the same model number or other manufacturer’s designati on in common, and have the same rated capacity and operat ing specifications;

6.3.6.3 The units are operated and maintained in a similar manner; and

6.3.6.4 At least 20% of the total number of units a re tested during each annual test cycle.

6.3.6.5 The District, based on documentation submit ted by the stationary

source:

6.3.6.5.1 Determines that the margin of compliance for the

identical units tested is significant and can be maintained on an on-going basis; or

6.3.6.5.2 Determines based on a review of sufficien t emissions data that, though the margin of compliance is not substantial, other factors allow for the determinat ion that the variability of emissions for identical tes ted units is low enough for confidence that the unteste d unit will be in compliance. These factors may include, but are not limited to, the following:

6.3.6.5.2.1 Historical records at the tested unit

showing consistent invariant load;

6.3.6.5.2.2 Fuel characteristics yielding low

variability and therefore assurance that

emissions will be constant and below allowable levels;

6.3.6.5.2.3 Statistical analysis of a robust emissi ons

data set demonstrating sufficiently low variability to convey assurance that the margin of compliance, though small, is

reliable.

6.3.6.6 Should any of the representative units exce ed the required emission limits, or if the District notifies the op erator that the criteria in Sections 6.3.6.1 through 6.3.6.5 have n ot been fulfilled, each of the units in the group shall ind ividually demonstrate compliance by emissions testing. Failu re to

# PROPOSED November 14, 2013

   Revised Proposed

Amendments to Rule 4702 complete emissions testing within 90 days of the fa iled test shall result in the untested units being in violation of this rule. After compliance with the requirements of this section ha s been demonstrated, subsequent source testing shall be pe rformed pursuant to Sections 6.3.2 or 6.3.6.

6.4 Test Methods

Compliance with the requirements of Section 5.2 sha ll be determined, as required, in accordance with the following test procedures or any other method approved by

EPA and the APCO:

6.4.1 Oxides of nitrogen - EPA Method 7E, or ARB Me thod 100.

6.4.2 Carbon monoxide - EPA Method 10, or ARB Metho d 100.

6.4.3 Stack gas oxygen - EPA Method 3 or 3A, or ARB Method 100.

6.4.4 Volatile organic compounds - EPA Method 25A o r 25B, or ARB Method 100. Methane and ethane, which are exempt compound s, shall be

excluded from the result of the test.

6.4.5 Operating horsepower determination - any meth od approved by EPA and

the APCO.

6.4.6 SOx Test Methods

6.4.6.1 Oxides of sulfur – EPA Method 6C, EPA Metho d 8, or ARB

Method 100.

6.4.6.2 Determination of total sulfur as hydrogen s ulfide (H 2 S) content – EPA Method 11 or EPA Method 15, as appropriate.

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

6.4.6.4 The SOx emission control system efficiency shall be determined using the following:

% Control Efficiency = [(C SO2, inlet
– C SO2, outlet ) / C SO2, inlet ] X 100

Where:

# PROPOSED November 14, 2013

   Revised Proposed

Amendments to Rule 4702 C SO2, inlet = concentration of SOx (expressed as SO 2 ) at the inlet side of 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

6.4.7 The Higher Heating Value (hhv) of the fuel sh all be determined by one of the following test methods:

6.4.7.1 ASTM D 240-02 or ASTM D 3282-88 for liquid hydrocarbon

fuels.

6.4.7.2 ASTM D 1826-94 or ASTM 1945-96 in conjuncti on with ASTM D 3588-89 for gaseous fuel.

6.5 Inspection and Monitoring (I&M) Plan

The operator of an engine that is subject to the re quirements of Section 5.2 or the requirements of Section 8.0 shall submit to the APC O for approval, an I&M plan that specifies all actions to be taken to satisfy t he following requirements and the requirements of Section 5.8. The actions to be ide ntified in the I&M plan shall include, but are not limited to, the information sp ecified below. If there is no change to the previously approved I&M plan, the ope rator shall submit a letter to the District indicating that previously approved pl an is still valid.

6.5.1 The requirements of Section 6.5.2 through Sec tion 6.5.9 shall apply to the following engines:

6.5.1.1 Engines that have been retrofitted with an exhaust control device, except those certified per Section 9.0;

6.5.1.2 Engines subject to Section 8.0;

6.5.1.3 An AO spark-ignited engine that is subject to the requirements of

Section 8.0.

6.5.1.4 An AO spark-ignited engine that has been re trofitted with a catalytic emission control and is not subject to th e requirements of

Section 8.0.

# PROPOSED November 14, 2013

   Revised Proposed

Amendments to Rule 4702 6.5.2 Procedures requiring the operator to establis h ranges for control equipment parameters, engine operating parameters, and engine exhaust oxygen concentrations that source testing has shown result in pollutant

concentrations within the rule limits.

6.5.3 Procedures for monthly inspections as approve d by the APCO. The applicable control equipment parameters and engine operating parameters will be inspected and monitored monthly in conforma nce with a regular inspection schedule listed in the I&M plan.

6.5.4 Procedures for the corrective actions on the noncompliant parameter(s) that the operator will take when an engine is found to b e operating outside the acceptable range for control equipment parameters, engine operating parameters, and engine exhaust NOx, CO, VOC, or oxy gen concentrations.

6.5.5 Procedures for the operator to notify the APC O when an engine is found to be operating outside the acceptable range for contr ol equipment parameters, engine operating parameters, and engine exhaust NOx, CO, VOC, or oxygen concentrations.

6.5.6 Procedures for preventive and corrective main tenance performed for the purpose of maintaining an engine in proper operatin g condition.

6.5.7 Procedures and a schedule for using a portabl e NOx analyzer to take NOx emission readings pursuant to Section 5.8.9.

6.5.8 Procedures for collecting and recording requi red data and other information in a form approved by the APCO includin g, but not limited to, data collected through the I&M plan and the monitor ing systems described in Sections 5.8.1 and 5.8.2. Data collected throug h the I&M plan shall have retrieval capabilities as approved by the APCO

.

6.5.9 Procedures for revising the I&M plan. The I& M plan shall be updated to reflect any change in operation. The I&M plan shal l be updated prior to any planned change in operation. An engine operato r that changes significant I&M plan elements must notify the Distr ict no later than seven days after the change and must submit an upda ted I&M plan to the APCO no later than 14 days after the change for app roval. The date and time of the change to the I&M plan shall be recorde d in the engine operating log. For new engines and modifications t o existing engines, the I&M plan shall be submitted to and approved by the APCO prior to issuance of the Permit-to-Operate or Permit-Exempt Equipment

# PROPOSED November 14, 2013

   Revised Proposed

Amendments to Rule 4702 Registration. The operator of an engine may reques t a change to the I&M plan at any time.

7.0 Compliance Schedules

7.1 Loss of Exemption

The operator of an engine which becomes subject to the emission limits/standards of this rule through loss of exemption shall not op erate the subject engine, except as required for obtaining a new or modified Permit- to-Operate or Permit-Exempt Equipment Registration for the engine, until the op erator demonstrates that the subject engine is in full compliance with the requi rements of this rule.

7.2 Permanent Removal of an Engine

The operator of an engine who elects to permanentl y remove the engine from service shall comply with all of the following cond itions:

7.2.1 Comply with all applicable requirements of th is rule until the engine is permanently removed from service;

7.2.2 Submit a letter to the APCO no later than 14 days before the engine is permanently removed from service, stating the inten t to permanently remove the engine from service. The engine removal letter can be submitted with the emission control plan, if any; a nd

7.2.3 Permanently remove the engine from service an d officially surrender the Permit-to-Operate or Permit-Exempt Equipment Regist ration, if any, to the APCO no later than 30 days after the engine is perm anently removed from

service.

7.3 AO Compression-Ignited Engine

7.3.1 The operator of an AO compression-ignited eng ine that is subject to Section 5.2 and that is required to submit an Autho rity-to-Construct application in order to comply with the requirement s of this rule, shall submit the Authority-to-Construct application, and any required Emission Control Plan or I&M Plan, no later than si x months before the engine is required to be in compliance with the req uirements of Section

5.2.

7.3.2 The operator of an AO compression-ignited eng ine that is subject to Section 5.2 and that is required to submit a Permit -Exempt Equipment Registration application in order to comply with th e requirements of Rule

# PROPOSED November 14, 2013

   Revised Proposed

Amendments to Rule 4702 4702, shall submit the Permit-Exempt Equipment Regi stration application, and any required Emission Control Plan or I&M Plan, no later than three months before the engine is requir ed to be in compliance with the requirements of Section 5.2.

7.3.3 Unless otherwise specified, the operator of a n engine that is subject to the requirements of Section 5.2 of Rule 4702 shall be in full compliance with Rule 4702 by the indicated dates in Table 4.

7.4 Non-AO Compression-Ignited Engine

7.4.1 The operator of a non-AO compression-ignited engine that is subject to Section 5.2 and that is required to submit an Emiss ion Control Plan, an I&M Plan, or an Authority-to-Construct in order to comply with rule requirements, shall submit such document(s) no late r than six months before the engine is required to be in compliance w ith the requirements

of Section 5.2.

7.4.2 Unless otherwise specified, the operator of a n engine that is subject to the requirements of Section 5.2 shall be in full compli ance with Rule 4702 by

the indicated dates in Table 4.

7.5 Non-AO Spark-Ignited Engine

7.5.1 An operator with non-AO spark-ignited engines at a stationary source subject to Table 2 or Section 8.0 emission limits, SOx control requirements of Section 5.7, and the SOx monitoring requirements of Section 5.10 shall comply with the schedule specified in Table 5.

# PROPOSED November 14, 2013

   Revised Proposed

Amendments to Rule 4702 Table 5 Compliance Schedule for Non-AO Spark-Ignite d Engines Subject to Table 2 Emission Limits,

and SOx Control and Monitoring Requirements

Engines to be in Compliance at a Stationary Source Emission Control

Plan Authority to Construct

and Inspection and Monitoring Plan Full

Compliance

Operator with a single engine at a stationary sourc e Single Engine 1/1/12 1/1/13 1/1/14 Operator with at least two engines, but less than 1 2 engines at a stationary source

33% or more of the engines subject to Table 2 emission limits as of August 18,

2011 7/1/12 1/1/13 1/1/14

66% or more of the engines subject to Table 2 emission limits as of August 18,

2011 7/1/12 1/1/14 1/1/15

100% of the engines subject to Table 2

emission limits 7/1/12 1/1/15 1/1/16

Operator with at least 12 engines at a stationary s ource 25% or more of the engines subject to Table 2 emission limits as of August 18,

2011 7/1/12 1/1/13 1/1/14

50% or more of the engines subject to Table 2 emission limits as of August 18,

2011 7/1/12 1/1/14 1/1/15

75% or more of the engines subject to Table 2 emission limits as of August 18,

2011 7/1/12 1/1/15 1/1/16

100% of the engines subject to Table 2

emission limits 7/1/12 1/1/16 1/1/17

7.5.2 As shown in Table 5, the column labeled:

7.5.2.1 “Emission Control Plan” identifies the date by which the operator shall submit an emission control plan pursuant to t he applicable provisions of Section 6.1. The emission control pl an shall identify all the Non-AO spark-ignited engines subject to Tab le 2 emission limits, and SOx control and monitoring requirements . The emission control plan shall identify all the steps to be taken to comply with this rule. If there is no change to th e previously approved emission control plan, the operator does n ot need to submit a new emission control plan. However, the o perator shall submit a letter to the District indicating that pre viously approved plan is still valid.

# PROPOSED November 14, 2013

   Revised Proposed

Amendments to Rule 4702 7.5.2.2 “Authority to Construct and Inspection and Maintenance Plan” identifies the date by which the operator shall sub mit an Authority to Construct (if needed) and an Inspection and Moni toring Plan as specified in the applicable provisions of Section 6 .5 for each engine subject to Table 2 emission limits, SOx cont rol and monitoring requirements. If there is no change to the previously approved I&M plan, the operator does not need to su bmit a new I&M Plan. However, the operator shall submit a let ter to the District indicating that previously approved I&M pl an is still valid.

7.5.2.3 “Full Compliance” identifies the date by wh ich the operator shall demonstrate that each unit is in compliance with Ta ble 2 emission limits, SOx control and monitoring requirements.

7.6 Operator of Non-AO Spark-Ignited Engine Who Ele cts to Pay Fees

In lieu of complying with Table 2 NOx emission limi ts, the operator of a non-AO spark-ignited engine who elects to pay annual fees under Section 5.2.2.2 and Section 5.6 shall comply with the following require ments:

7.6.1 By the date specified in Table 5, submit an E mission Control Plan which includes the following information:

7.6.1.1 Number of engines at a stationary source th at will comply under Section 5.2.2.2,

7.6.1.2 Location of each engine,

7.6.1.3 Engine manufacturer, model designation, eng ine serial number, and Permit-to-Operate number, and

7.6.1.4 Each engine’s rated brake horsepower, fuel type, and type of ignition.

7.6.2 The total annual fees shall be paid to the Di strict in the following manner:

7.6.2.1 Payment shall be paid no later than June 30 of each year, for the emissions of the previous calendar year,

7.6.2.2 The first payment is due to the District no later than June 30 of the year in which full compliance is required for the s pecified percent of engines at a stationary source as specified in T able 5 that the operator has opted to pay the annual fees,

# PROPOSED November 14, 2013

  Revised Proposed

Amendments to Rule 4702 7.6.2.3 Should June 30 fall on a day when the Distr ict is closed, the payment shall be made by the next District working day after June 30, and

7.6.2.4 Payments shall continue annually until the engine either is permanently removed from use in the San Joaquin Val ley Air Basin and the Permit-to-Operate is surrendered or t he operator demonstrates compliance with the applicable Table 2 emission

limits.

7.6.2.5                    ! "#                     $     %  ! &' (  ) *"

8.0 Alternative Emission Control Plan (AECP)

An operator may comply with the NOx emission requir ements of Section 5.2 for a group of engines by meeting the requirements below. An o perator that is subject to the requirements below shall also comply with all the a pplicable requirements of Sections 5.0, 6.0, and 7.0. Only engines subject to Section 5.2 are eligible for inclusion in an

AECP.

8.1 During any seven (7) consecutive calendar day p eriod, the operator shall operate all engines in the AECP to achieve an actual aggreg ate NOx emission level that is not greater than 90 percent of the NOx emissions th at would be obtained by controlling the engines to comply individually with the NOx limits in Section 5.2. The operator shall operate engines in the AECP such that

AE Actual ≤ 0.90 (AE Limit )

and shall notify the APCO within 24 hours of any vi olation of this section.

8.1.1 The actual aggregate NOx emissions (AE Actual ) is the sum of the actual NOX emissions, over a seven (7) consecutive calenda r day period, from all engines in the AECP which were actually operated du ring that period.

AE Actual shall be calculated as follows:



### ) )(k (F) (EF AE i i
i i Actual 

## ∑ =

# PROPOSED November 14, 2013

   Revised Proposed

Amendments to Rule 4702 where:

i identifies each engine in the AECP.

EF i is the NOx emission factor of the engine establis hed pursuant to Section 8.2 and approved by the APCO.

F i is the actual total fuel used by the engine durin g the seven (7) consecutive calendar day period.

k i is a constant used to convert an engine’s fuel us e and NOx emission

factor to the amount of NOx emitted. k i is dependent on the engine and the pollutant emitted. Calculation of k i shall be accomplished using 40 CFR Part 60, Appendix A, Method 19, or an equivalent method approved by EPA, ARB and the APCO.

8.1.2 The estimated aggregate NOx emissions limit ( AE Limit ) is the sum of the NOx emissions, over a seven (7) consecutive calenda r day period, for the same engines in the AECP which were actually operat ed during the same period as considered in Section 8.1.1, calculated w ith the NOx limits of Section 5.2 and the actual fuel usage during that s even (7) consecutive calendar day period. AE Limit shall be calculated as follows:



### ) )(k (F) (EL AE i i
i i Limit 

## ∑ =

where:

i = identifies each engine in the AECP.

EL i = the NOx emission limit from Section 5.2 for eac h engine.

F i = the actual total fuel used by the engine during the seven (7) consecutive calendar day period.

k i = a constant used to convert an engine’s fuel use and NOx emission

limit to the amount of NOx emitted. k i is dependent on the engine and the pollutant emitted. Calculation of k i shall be accomplished using 40 CFR Part 60, Appendix A, Method 19, or an equivalent method approved by EPA, ARB and the APCO.

8.1.3 Only engines in the AECP which were operated during the seven (7) consecutive calendar day period shall be included i n the calculations of

AE Limit and AE Actual

.

# PROPOSED November 14, 2013

   Revised Proposed

Amendments to Rule 4702 8.1.4 The operator shall, at least one time each da y the AECP is used, calculate and record the actual aggregate NOx emissions (AE Actual ) and the aggregate NOx emission limit (AE Limit ) for the preceding seven (7) consecutive calendar day period.

8.2 The operator shall establish a NOx emission fac tor limit for each engine. The established NOx emission factor of an engine shall be no less than the NOx emission factor of the engine from the most recent source test conducted pursuant to Section 6.3 and approved by the APCO. The opera tor shall not operate an AECP engine in such a manner that NOx emissions exc eed the established NOx emission factor of the engine.

8.3 The operator shall submit the AECP to the APCO at least 18 months before compliance with the emission limits in Section 5.2 is required. The AECP shall:

8.3.1 Not be implemented prior to APCO approval.

8.3.2 Be enforceable on a daily basis by the Distri ct.

8.3.3 Contain any information necessary to determin e eligibility of the engines for alternative emission control, including, but no t limited to:

8.3.3.1 A list of engines subject to the AECP. All engines in an AECP shall be under the operational control of a single operator and shall be located at a single stationary source,

8.3.3.2 The NOx emission factor established by the engine operator for each engine pursuant to Section 8.2, and

8.3.3.3 The estimated aggregate NOx emissions calcu lated according to

Section 8.1.2.

8.3.4 Present the methodology for determining equiv alency of actual NOx emissions under the proposed AECP as compared to th e estimated NOx emissions allowed by this rule.

8.3.5 Detail the method of recording and verifying daily compliance with the

AECP.

8.3.6 Demonstrate to the satisfaction of the APCO t hat the difference between the NOx emission limits of this rule and any lower actual NOx emissions

will not be used to increase emissions from the sam e or another source.

# PROPOSED November 14, 2013

   Revised Proposed

Amendments to Rule 4702 8.3.7 Demonstrate that the engines subject to the r equirements of Section 5.2 are in compliance with or on an approved schedule for c ompliance with all applicable District rules.

8.4 The operator shall submit an updated or modifie d AECP for approval by the APCO prior to any of the following:

8.4.1 Modification of the engine(s) which would require an Authority-toConstruct;

8.4.2 When new or amended rules are adopted which r egulate the emissions from the engines; or

8.4.3 When the NOx emission factor established by t he engine operator for an engine pursuant to Section 8.2 is modified.

8.5 In addition to the records kept pursuant to Sec tion 6.2, the operator shall maintain records, on a daily basis, of the parameters needed to demonstrate compliance with the applicable NOx emission limits when operating u nder the AECP. These records shall be retained for at least five years, shall be readily available, and be made available to the APCO upon request. The recor ds shall include, but are not limited to, the following for each engine unless ot herwise indicated:

8.5.1 Total hours of operation,

8.5.2 Type and quantity (cubic feet of gas or gallo ns of liquid) of fuel used,

8.5.3 The actual NOx emissions limits to be include d in the calculation of AE Actual pursuant to Section 8.1.1,

8.5.4 The actual aggregate NOx emissions (AE Actual ) for all the engines in the AECP calculated pursuant to Section 8.1.1,

8.5.5 The estimated NOx emissions limits to be incl uded in the calculation of

AE Limit pursuant to Section 8.1.2,

8.5.6 The estimated aggregate NOx emissions (AE Limit ) for all the engines in the AECP calculated pursuant to Section 8.1.2,

8.5.7 The comparison of the actual aggregate NOx em issions (AE Actual ) for all the engines in the AECP and 90 percent of the estimated aggregate NOx emissions (AE Limit ) for all the engines in the AECP to demonstrate compliance with Section 8.1, and

# PROPOSED November 14, 2013

   Revised Proposed

Amendments to Rule 4702 8.5.8 Any other parameters needed to demonstrate da ily compliance with the applicable NOx emission limits when operating under the AECP.

8.6 For the purpose of determining the quantity of spark-ignited engines in compliance pursuant to Section 7.5, a spark-ignited engine in an AECP shall not be considered to be in compliance until all spark-ignited engines in the AECP that have been designated to meet more stringent NOx emission fact ors pursuant to Section 8.2 are in compliance with the rule.

9.0 Exhaust Control System Certification Requiremen ts

9.1 To be considered for APCO certification, the ma nufacturer or operator shall comply with all of the following requirements:

9.1.1 Certification shall be based upon the emissio n source testing results of a specific exhaust control system,

9.1.2 A source testing protocol shall be submitted in accordance with the provisions of Rule 1081 (Source Sampling) for appro val by the APCO prior to conducting the source test. The source te sting protocol approved by the APCO shall be strictly adhered to during cer tification source testing,

9.1.3 Source testing shall be conducted over the ra nge of operating parameters for which the unit(s) will be operated,

9.1.4 The source testing results shall demonstrate compliance with the emission

limits of this rule for each model of exhaust contr ol system(s) to be certified,

9.1.5 The source testing procedure and reports shal l be prepared by an ARBapproved independent testing laboratory, and shall contain all the elements identified in the APCO-approved source testing prot ocol,

9.1.6 Source testing shall be conducted no more tha n 90 days prior to the date of submission of request for certification by the A PCO, and

9.1.7 Any additional supporting information require d by the APCO to address other performance parameters.

# PROPOSED November 14, 2013

   Revised Proposed

Amendments to Rule 4702 9.2 The manufacturer or operator requesting certifi cation shall submit to the APCO the following information:

9.2.1 Copies of the source testing results conducte d pursuant to the requirements of Section 9.1, and other pertinent technical data to demonstrate compliance with the emission limits of this rule,

9.2.2 The applicant shall sign and date the stateme nt attesting to the accuracy of all information in the statement, and

9.2.3 Name and address of the exhaust control syste m manufacturer or operator, brand name of the exhaust control unit, model numbe r, and description of model of system(s) being certified.

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

demonstrate that the emission limits of this rule a re met.

9.4 The APCO-approved certification is valid only f or the range of operating parameters and conditions for which certification i s issued.

9.5 The APCO shall publish a list of certified exha ust control systems after the certification process is completed.

# PROPOSED November 14, 2013

   Revised Proposed

Amendments to Rule 4702 This page intentionally blank.