For purposes of this ATCM, the following
Operations" means the growing and harvesting of crops or the raising of fowl or
animals for the primary purpose of making a profit, providing a livelihood, or
conducting agricultural research or instruction by an educational institution.
Agricultural operations do not include activities involving the processing or
distribution of crops or fowl.
"Agricultural Wind Machine" means a stationary CI engine-powered fan used
exclusively in agricultural operations to provide protection to crops during
cold weather by mixing warmer atmospheric air with the colder air surrounding a
(3) "Air Pollution Control
Officer (APCO)" means the person appointed pursuant to section
of the Health and Safety Code, or his or her designated
Fuel" means natural gas, propane, ethanol, or methanol.
"Alternative Diesel Fuel" means any fuel
used in a CI engine that is not commonly or commercially known, sold, or
represented by the supplier as diesel fuel No. 1-D or No. 2-D, pursuant to the
specifications in ASTM D 975-81, "Standard Specification for Diesel Fuel Oils,"
as modified in May 1982, which is incorporated herein by reference, or an
alternative fuel, and does not require engine or fuel system modifications for
the engine to operate, although minor modifications (e.g., recalibration of the
engine fuel control) may enhance performance. Examples of alternative diesel
fuels include, but are not limited to, biodiesel and biodiesel blends that do
not meet the definition of CARB diesel fuel; Fischer-Tropsch fuels; emulsions
of water in diesel fuel; and fuels with a fuel additive, unless:
(A) the additive is supplied to the engine
fuel by an on-board dosing mechanism, or
(B) the additive is directly mixed into the
base fuel inside the fuel tank of the engine, or
(C) the additive and base fuel are not mixed
until engine fueling commences, and no more additive plus base fuel combination
is mixed than required for a single fueling of a single engine.
(6) "Approach Light System with
Sequenced Flasher Lights in Category 1 and Category 2 Configurations (ALSF-1
and ALSF-2)" means high intensity approach lighting systems with sequenced
flashers used at airports to illuminate specified runways during category II or
III weather conditions, where category II means a decision height of 100 feet
and runway visual range of 1,200 feet, and category III means no decision
height or decision height below 100 feet and runway visual range of 700
(7) "Baseline" or "Baseline
Emissions" means the emissions level of a diesel-fueled engine using CARB
diesel fuel as configured upon initial installation or by January 1, 2003,
whichever is later.
Air Resources Board (CARB) Diesel Fuel" means any diesel fuel that meets the
specifications of vehicular diesel fuel, as defined in title 13, CCR, sections
2281 and 2282.
(9) "Cancer Risk"
means the characterization of the probability of developing cancer from
exposure to environmental chemical hazards, in accordance with the
methodologies specified in "The Air Toxics Hot Spots Program Guidance Manual
for Preparation of Health Risk Assessments," Office of Environmental Health
Hazard Assessment, August 2003, which is incorporated herein by
(10) "Carbon Monoxide
(CO)" is a colorless, odorless gas resulting from the incomplete combustion of
Engine" means a CI engine that is certified to meet the Tier 1, Tier 2, Tier 3,
or Tier 4 Off-Road CI Certification Standards as specified in title 13,
California Code of Regulations, section 2423.
(12) "Combustion Gas Turbine Engine" means an
internal combustion gas or liquid-fueled device consisting of compressor,
combustor, and power turbine used to power an electrical generator.
(13) "Compression Ignition (CI) Engine" means
an internal combustion engine with operating characteristics significantly
similar to the theoretical diesel combustion cycle. The regulation of power by
controlling fuel supply in lieu of a throttle is indicative of a compression
Area" means any electrical region in California that regulates its power
generation in order to balance electrical loads and maintain planned
interchange schedules with other control areas.
(15) "Cumulatively" means the aggregation of
hours or days of engine use, and any portion of an hour or day of engine use,
toward a specified time limit(s).
"Date of Acquisition or Submittal" means
(A) For each District-approved permit or
district registration for stationary sources, the date the application for the
district permit or the application for engine registration was submitted to the
District. Alternatively, upon District approval, the date of purchase as
defined by the date shown on the front of the cashed check, the date of the
financial transaction, or the date on the engine purchasing agreement,
whichever is earliest.
(B) For an
engine subject to neither a district permit program nor a district registration
program for stationary sources, the date of purchase as defined by the date
shown on the front of the cashed check, the date of the financial transaction,
or the date on the engine purchasing agreement, whichever is
Initial Installation" means one of the following, whichever is earlier:
(A) the date on which a new stationary
diesel-fueled engine is placed at a location in order to be operated for the
first time since delivery from the manufacturer or distributor, or,
(B) for the purposes of a Tier 1- or Tier
2-certified stationary diesel agricultural engine complying with section
93115.8(b)(3)emission standards, one year from January 1 of the model year of
"Demand Response Program (DRP)" means a program for reducing electrical demand
using an Interruptible Service Contract (ISC) or Rolling Blackout Reduction
(19) "Diesel Fuel"
means any fuel that is commonly or commercially known, sold, or represented by
the supplier as diesel fuel, including any mixture of primarily liquid
hydrocarbons - organic compounds consisting exclusively of the elements carbon
and hydrogen - that is sold or represented by the supplier as suitable for use
in an internal combustion, compression-ignition engine.
(20) "Diesel-Fueled" means fueled by diesel
fuel, CARB diesel fuel, or jet fuel, in whole or part.
(21) "Diesel Particulate Filter (DPF)" means
an emission control technology that reduces PM emissions by trapping the
particles in a flow filter substrate and periodically removes the collected
particles by either physical action or by oxidizing (burning off) the particles
in a process called regeneration.
(22) "Diesel Particulate Matter (PM)" means
the particles found in the exhaust of diesel-fueled CI engines as determined in
accordance with the test methods identified in section 93115.14.
(23) "Digester Gas" is any gas derived from
anaerobic decomposition of organic matter.
(24) "Direct-Drive Emergency Standby Fire
Pump Engines" means engines directly coupled to pumps exclusively used in
water-based fire protection systems.
(25) "District" has the same meaning as
defined in the California Health and Safety Code, Section
(26) "DRP Engine" means an engine that is
enrolled in a DRP.
Diesel Pilot Engine" means a dual-fueled engine that uses diesel fuel as a
pilot ignition source at an annual average ratio of less than 5 parts diesel
fuel to 100 parts total fuel on an energy equivalent basis.
(28) "Dual-fuel Engine" means any CI engine
that is engineered and designed to operate on a combination of alternative
fuels, such as compressed natural gas (CNG) or liquefied petroleum gas (LPG)
and diesel fuel or an alternative diesel fuel. These engines have two separate
fuel systems, which inject both fuels simultaneously into the engine combustion
Engine" means a stationary engine that meets the criteria specified in (A),
(B), and (C) and any combination of (D) or (E) or (F) below:
(A) is installed for the primary purpose of
providing electrical power or mechanical work during an emergency use and is
not the source of primary power at the facility; and
(B) is operated to provide electrical power
or mechanical work during an emergency use; and
(C) is not operated to supply power to an
electric grid or does not supply power as part of a financial arrangement with
any entity, except as allowed in sections 93115.6(a)(2), (b)(1) or (c):
(D) is operated under limited
circumstances for maintenance and testing, emissions testing, or initial
start-up testing, as specified in sections 93115.6(a), (b), and (c);
(E) is operated under limited
circumstances in response to an impending outage, as specified in sections
93115.6(a), (b), and (c); or
operated under limited circumstances under a DRP as specified in section
"Emergency Use" means providing electrical power or mechanical work during any
of the following events and subject to the following conditions:
the failure or loss of all or part of
normal electrical power service or normal natural gas supply to the facility:
1. which is caused by any reason other than
the enforcement of a contractual obligation the owner or operator has with a
third party or any other party; and
2. which is demonstrated by the owner or
operator to the district APCO's satisfaction to have been beyond the reasonable
control of the owner or operator;
the failure of a facility's internal
power distribution system:
1. which is caused
by any reason other than the enforcement of a contractual obligation the owner
or operator has with a third party or any other party; and
2. which is demonstrated by the owner or
operator to the district APCO's satisfaction to have been beyond the reasonable
control of the owner or operator;
(C) the pumping of water or sewage to prevent
or mitigate a flood or sewage overflow;
(D) the pumping of water for fire suppression
(E) the powering of
ALSF-1 and ALSF-2 airport runway lights under category II or III weather
the pumping of
water to maintain pressure in the water distribution system for the following
1. a pipe break that substantially
reduces water pressure; or
demand on the water supply system due to high use of water for fire
3. the breakdown of
electric-powered pumping equipment at sewage treatment facilities or water
delivery facilities; or
(G) day-of-rocket launch and day of space
plane vehicle re-entry/landing system checks and tracking performed (in
parallel with grid power) by the United States Department of Defense at Command
Transmitter sites (also known as "CT" sites) that occur within the 24-hour time
period associated with the scheduled time of the launch or
"Emission Control Strategy" means any device, system, or strategy employed with
a diesel-fueled CI engine that is intended to reduce emissions including, but
not limited to, particulate filters, diesel oxidation catalysts, selective
catalytic reduction systems, fuel additives used in combination with
particulate filters, alternative diesel fuels, and any combination of the
(32) "End User" means any
person who purchases or leases a stationary diesel-fueled engine for operation
in California. Persons purchasing engines for the sole purpose of resale are
not considered "end users."
"Enrolled" means either of the following, whichever applies:
(A) the ISC is in effect during the specified
time period for an engine in an ISC; or
(B) the date the engine is entered into the
Officer" means the executive officer of the Air Resources Board, or his or her
"Facility" means one or more contiguous properties, in actual physical contact
or separated solely by a public roadway or other public right-of-way, under
common ownership on which engines operate.
(36) "Fuel Additive" means any substance
designed to be added to fuel or fuel systems or other engine-related engine
systems such that it is present in-cylinder during combustion and has any of
the following effects: decreased emissions, improved fuel economy, increased
performance of the engine; or assists diesel emission control strategies in
decreasing emissions, or improving fuel economy or increasing performance of
(37) "Generator Set"
means a CI engine coupled to a generator that is used as a source of
(38) "Hazard Index"
means the sum of individual acute or chronic hazard quotients for each
substance affecting a particular toxicological endpoint, as determined in
accordance with the requirements of "The Air Toxics Hot Spots Program Guidance
Manual for Preparation of Health Risk Assessments," Office of Environmental
Health Hazard Assessment, August 2003, which is incorporated herein by
(39) "HC" means the sum
of all hydrocarbon air pollutants.
(40) "Health Facility" has the same meaning
as defined in Section
of the California Health and Safety Code.
(41) "In-Use" means a CI engine that is not a
"new" CI engine.
Start-up Testing" means operating the engine or supported equipment to ensure
their proper performance either:
(A) for the
first time after installation of a stationary diesel-fueled CI engine at a
(B) for the first time
after installation of emission control equipment on an in-use stationary
diesel-fueled CI engine.
(43) "Interruptible Service Contract (ISC)"
means a contractual arrangement in which a utility distribution company
provides lower energy costs to a nonresidential electrical customer in exchange
for the ability to reduce or interrupt the customer's electrical service during
a Stage 2 or Stage 3 alert, or during a transmission emergency.
"Jet Fuel" means fuel meeting any of the
(A) ASTM D 1655-02,
"Standard Specification for Aviation Turbine Fuels," which is incorporated
herein by reference. Jet fuels meeting this specification include Jet A, Jet
A-1, and Jet B;
(B) Military Detail
(MIL-DTL) 5624T, "Turbine Fuels, Aviation, Grades Jet Propellant (JP) JP-4,
JP-5, and JP-5/JP8 ST," dated September 18, 1998, which is incorporated herein
by reference; and
(C) Military Test
(MIL-T) 83133E, "Turbine Fuels, Aviation, Kerosene Types, North Atlantic Treaty
Organization (NATO) F-34 (JP-8), NATO F-35, and JP-8+100," dated April 1, 1999,
which is incorporated herein by reference.
(45) "Landfill Gas" means any gas derived
through any biological process from the decomposition of waste buried within a
waste disposal site.
"Location" means any single site at a facility.
"Maintenance and Testing" means
operating an emergency standby CI engine to:
(A) evaluate the ability of the engine or its
supported equipment to perform during an emergency. "Supported Equipment"
includes, but is not limited to, generators, pumps, transformers, switchgear,
uninterruptible power supply, and breakers; or
(B) facilitate the training of personnel on
emergency activities; or
provide electric power for the facility when the utility distribution company
takes its power distribution equipment offline to service that equipment for
any reason that does not qualify as an emergency use; or
(D) provide additional hours of operation to
perform testing on an engine that has experienced a breakdown or failure during
maintenance. Upon air district approval, these additional hours of operation
will not be counted in the maximum allowable annual hours of operation for the
emergency standby CI engine that provided the electrical power.
"Maximum Rated Power" means
the maximum brake kilowatt output of an engine as determined from any of the
following, whichever is the greatest:
manufacturer's sales and service literature,
(B) the nameplate of the unit, or
(C) if applicable, as shown in the
application for certification of the engine.
(49) "Model Year" means the stationary CI
engine manufacturer's annual production period, which includes January 1st of a
calendar year, or if the manufacturer has no annual production period, the
"New" or "New
CI Engine" means the following:
stationary CI engine installed at a facility after January 1, 2005, including
an engine relocated from an off-site location after January 1, 2005, except the
following shall be deemed in-use engines:
replacement stationary CI engine that is installed to temporarily replace an
in-use engine while the in-use engine is undergoing maintenance and testing,
provided the replacement engine emits no more than the in-use engine, and the
replacement engine is not used more than 180 days cumulatively in any 12-month
2. an engine for
which a district-approved application for a district permit or engine
registration for stationary sources was submitted to the District prior to
January 1, 2005, even though the engine was installed after January 1,
3. an engine that is one of
four or more engines owned by an owner or operator and is relocated prior to
January 1, 2008, to an offsite location that is owned by the same owner or
4. an engine, or
replacement for an engine, used in agricultural operations that is relocated
within the same facility or to another facility under the same owner or
operator for use in agricultural operations, unless the engine is sited where
an engine is not currently located and has not been previously
5. an engine installed at
a facility prior to January 1, 2005, and relocated within the same facility
after January 1, 2005.
6. a model
year 2004 or 2005 engine purchased prior to January 1, 2005, for use in
California. The date of purchase is defined by the date shown on the front of
the cashed check, the date of the financial transaction, or the date on the
engine purchasing agreement, whichever is earliest.
7. a greater than 50 bhp Tier 1- or Tier
2-certified stationary diesel agricultural engine installed after January 1,
2005, shall be considered a new engine subject to the requirements of section
93115.8(a) until 12 years after the date of initial installation, at which
time, it shall be considered an in-use engine subject to the requirements of
a stationary CI engine that has been
reconstructed after January 1, 2005, shall be deemed a new engine unless the
sum of the costs of all individual reconstructions of that engine after January
1, 2005, is less than 50% of the lowest-available purchase price, determined at
the time of the most recent reconstruction, of a complete, comparably-equipped
new engine (within + 10% of the reconstructed engine's brake horsepower
For purposes of this definition, the cost of reconstruction
and the cost of a comparable new engine shall not include the cost of equipment
and devices required to meet the requirements of this ATCM.
(51) "Nitrogen Oxides (NOx)" means
compounds of nitric oxide (NO), nitrogen dioxide (NO2),
and other oxides of nitrogen, which are typically created during combustion
processes and are major contributors to smog formation and acid
Engine" means a CI engine that is not certified to Off-Road CI Certification
Standards as specified in title 13, California Code of Regulations, section
Hydrocarbons (NMHC)" means the sum of all hydrocarbon air pollutants except
Shelf (OCS)" shall have the meaning provided by section 2 of the Outer
Continental Shelf Lands Act ( 43 U.S.C. Section 1331
"Owner or Operator" means any person
subject to the requirements of this ATCM, including but not limited to:
(A) an individual, trust, firm, joint stock
company, business concern, partnership, limited liability company, association,
or corporation including but not limited to, a government corporation;
(B) any city, county, district,
commission, the state or any department, agency, or political subdivision
thereof, any interstate body, and the federal government or any department or
agency thereof to the extent permitted by law.
(56) "Particulate Matter (PM)" means the
particles found in the exhaust of CI engines, which may agglomerate and adsorb
other species to form structures of complex physical and chemical
(57) "Portable CI
Engine" means a compression ignition (CI) engine designed and capable of being
carried or moved from one location to another, except as provided in section
93115.4(a)(72). Indicators of portability include, but are not limited to,
wheels, skids, carrying handles, dolly, trailer, or platform. The provisions of
this definition notwithstanding, an engine with indicators of portability that
remains at the same facility location for more than 12 consecutive rolling
months or 365 rolling days, whichever occurs first, not including time spent in
a storage facility, shall be deemed a stationary engine.
(58) "Prime CI Engine" means a stationary CI
engine that is not an emergency standby CI engine.
(59) "Prioritization Score" means the numeric
value used to rank facilities in order of their potential to pose significant
risk to human receptors. Prioritization scores are calculated per the process
described in the "CAPCOA Air Toxics 'Hot Spots' Program Facility Prioritization
Guidelines," California Air Pollution Control Officer's Association (CAPCOA),
July 1990, which is incorporated herein by reference.
"Rated Brake Horsepower (bhp)" means:
for in-use engines, the maximum brake
horsepower output of an engine as determined from any of the following,
whichever reflects the engine's configuration as of January 1, 2005:
1. the manufacturer's sales and service
2. the nameplate of the
3. if applicable, as
shown in the application for certification of the engine;
for new engines, the maximum brake
horsepower output of an engine as determined from any of the following,
whichever reflects the engine's configuration upon the engine's initial
installation at the facility:
manufacturer's sales and service literature;
2. the nameplate of the engine; or
3. if applicable, as shown in the application
for certification of the engine.
(61) "Receptor location" means any location
outside the boundaries of a facility where a person may experience exposure to
diesel exhaust due to the operation of a stationary diesel-fueled CI engine.
Receptor locations include, but are not limited to, residences, businesses,
hospitals, daycare centers, and schools.
(62) "Reconstruction" means the rebuilding of
the engine or the replacement of engine parts, including pollution control
devices, but excluding operating fluids; lubricants; and other consumables such
as air filters, fuel filters, and glow plugs that are subject to regular
Agricultural Engine" means a stationary diesel-fueled CI engine used in
agriculture that is:
(A) located in a federal
ambient air quality area that is designated as unclassifiable or attainment for
all PM and ozone national ambient air quality standards (title 40, Code of
Federal Regulations, section81.305); and
(B) located more than one-half mile from any
residential area, school, or hospital.
(64) "Residential Area" means three or more
permanent residences (i.e., homes) located anywhere outside the facility's
(65) "Rolling Blackout
Reduction Program (RBRP)" means a contractual arrangement, implemented by the
San Diego Gas and Electric Company (SDG&E) in San Diego County, in which
SDG&E pays a nonresidential electrical customer, in accordance with the
most current RBRP Schedule, in exchange for the customer using its
diesel-fueled engines to reduce its electrical demand upon request by SDG&E
during either a Stage 3 alert or a transmission emergency.
(66) "Rotating Outage" means a controlled,
involuntary curtailment of electrical power service to consumers as ordered by
the Utility Distribution Company.
(67) "School" or "School Grounds" means any
public or private school used for purposes of the education of more than 12
children in kindergarten or any of grades 1 to 12, inclusive, but does not
include any private school in which education is primarily conducted in a
private home(s). "School" or "School Grounds" includes any building or
structure, playground, athletic field, or other areas of school property but
does not include unimproved school property.
(68) "Selective Catalytic Reduction (SCR)
System" means an emission control system that reduces NOx emissions through the
catalytic reduction of NOx in diesel exhaust by injecting nitrogen-containing
compounds into the exhaust stream, such as ammonia or urea.
(69) "Seller" means any person who sells,
leases, or offers for sale any stationary diesel-fueled engine directly to end
(70) "Stage 2 Alert" means
an official forecast or declaration by the California Independent System
Operator that the operating reserves of electrical power will fall or have
fallen below 5 percent.
3 Alert" means an official forecast or declaration by the California
Independent System Operator that the operating reserves of electrical power
will fall or have fallen below 1.5 percent.
"Stationary CI Engine" means a CI engine
that is designed to stay in one location, or remains in one location. A CI
engine is stationary if any of the following are true:
(A) the engine or its replacement is attached
to a foundation, or if not so attached, resides at the same location for more
than 12 consecutive months. Any engine such as backup or standby engines, that
replaces an engine at a location and is intended to perform the same or similar
function as the engine(s) being replaced, shall be included in calculating the
consecutive time period. The cumulative time of all engine(s), including the
time between the removal of the original engine(s) and installation of the
replacement engine(s), will be counted toward the consecutive time period;
(B) the engine remains or will
reside at a location for less than 12 consecutive months if the engine is
located at a seasonal source and operates during the full annual operating
period of the seasonal source, where a seasonal source is a stationary source
that remains in a single location on a permanent basis (at least two years) and
that operates at that single location at least three months each year;
(C) the engine is moved from one
location to another in an attempt to circumvent the 12 month residence time
requirement. The period during which the engine is maintained at a storage
facility shall be excluded from the residency time determination.
"Stationary Source" means any
building, structure, facility, or installation that emits any pollutant
directly or as fugitive emissions. Building, structure, facility, or
installation includes all pollutant emitting activities which:
(A) are under the same ownership or
operation, or which are owned or operated by entities which are under common
(B) belong to the same
industrial grouping either by virtue of falling within the same two-digit
standard industrial code or by virtue of being part of a common industrial
process, manufacturing process, or connected process involving a common raw
(C) are located on
one or more contiguous or adjacent properties.
(74) "Stock Engine" means a certified CI
engine that has never been placed in service and is part of a supply of engines
offered for sale, rent, or lease by a person or firm who offers for sale, rent,
or lease engines and related equipment for profit.
(75) "Transmission Constrained Area" means
the specific location that is subject to localized operating reserve
deficiencies due to the failure of the normal electrical power distribution
Emergency" means an official forecast or declaration by the California
Independent System Operator that the available electrical power transmission
capacity to a transmission constrained area is insufficient and may result in
an uncontrolled local grid collapse in the transmission constrained
(77) "Utility Distribution
Company" means one of several organizations that control energy transmission
and distribution in California. Utility Distribution Companies include, but are
not limited to, the Pacific Gas and Electric Company, the San Diego Gas and
Electric Company, Southern California Edison, Los Angeles Department of Water
and Power, the Imperial Irrigation District, and the Sacramento Municipal
"Verification Procedure, Warranty and In-Use Compliance Requirements for In-Use
Strategies to Control Emissions from Diesel Engines (Verification Procedure)"
means the ARB regulatory procedure codified in title 13, CCR, sections
2700-2710, which is incorporated herein by reference, that engine
manufacturers, sellers, owners, or operators may use to verify the reductions
of diesel PM or NOx from in-use diesel engines using a particular emission
Diesel Emission Control Strategy" means an emission control strategy, designed
primarily for the reduction of diesel PM emissions, which has been verified
pursuant to the "Verification Procedure."