SDAPCD RULE X-GG STDS.OF PERF.FOR STATIONARY GAS TURBINES
LAST REVISED 05/24/82
SUBPART GG - Standards of Performance for Stationary Gas Turbines
(Delegation Effective May 24, 1982)
RULE 260.330. APPLICABILITY AND DESIGNATION OF AFFECTED
FACILITY
The provisions of this subpart are applicable to the following
affected facilities: all stationary gas turbines with a heat input
at peak load equal to or greater than 10.7 gigajoules per hour,
based on the lower heating value of the fuel fired, that are
constructed, modified or reconstructed after October 2, 1977.
RULE 260.331. DEFINITIONS (Rev. Effective 11/24/82)
As used in this subpart, all terms not defined herein shall
have the meaning given them in the Act and in Subpart A of this
Regulation.
(a) "Stationary Gas Turbine" means any simple cycle gas
turbine, regenerative cycle gas turbine or any gas turbine portion
of a combined cycle steam/electric generating system that is not
self-propelled. It may, however, be mounted on a vehicle for
portability.
(b) "Simple Cycle Gas Turbine" means any stationary gas
turbine which does not recover heat from the gas turbine exhaust
gases to preheat the inlet combustion air to the gas turbine, or
which does not recover heat from the gas turbine exhaust gases to
heat water or generate steam.
(c) "Regenerative Cycle Gas Turbine" means any stationary
gas turbine that recovers thermal energy from the gas turbine
exhaust gases and utilizes the thermal energy to preheat air prior
to entering the combustors. (Rev. Effective 11/24/82)
(d) "Combined Cycle Gas Turbine" means any stationary gas
turbine which recovers heat from the gas turbine exhaust gases to
heat water or generate steam.
(e) "Emergency Gas Turbine" means any stationary gas turbine
which operates as a mechanical or electrical power source only when the
primary power source for a facility has been rendered inoperable by an
emergency situation.
(f) "Ice Fog" means an atmospheric suspension of highly
reflective ice crystals.
(g) "ISO Standard Day Conditions" means 288 degrees Kelvin,
60 percent relative humidity and 101.3 kilopascals pressure.
(h) "Efficiency" means the gas turbine manufacturer's rated
heat rate at peak load in terms of heat input per unit of power
output based on the lower heating value of the fuel.
(i) "Peak Load" means 100 percent of the manufacturer's
design capacity of the gas turbine at ISO standard day conditions.
(j) "Base Load" means the load level at which a gas turbine
is normally operated.
(k) "Fire-Fighting Turbine" means any stationary gas turbine
that is used solely to pump water for extinguishing fires.
(l) "Turbines Employed in Oil/Gas Production or Oil/Gas
Transportation" means any stationary gas turbine used to provide
power to extract crude oil/natural gas from the earth or to move
crude oil/natural gas, or products refined from these substances
through pipelines.
(m) [Reserved] (Rev. Effective 11/24/82)
(n) "Offshore Platform Gas Turbines" means any stationary
gas turbine located on a platform in an ocean.
(o) "Garrison Facility" means any permanent military
installation.
(p) "Gas Turbine Model" means a group of gas turbines having
the same nominal air flow, combustor inlet pressure, combustor
inlet temperature, firing temperature, turbine inlet temperature
and turbine inlet pressure.
(q) "Electric Utility Stationary Gas Turbine" means any
stationary gas turbine constructed for the purpose of supplying
more than one-third of its potential electric output capacity to
any utility power distribution system for sale.
(Effective 11/24/82)
(r) "Emergency Fuel" is fuel fired by a gas turbine only
during circumstances, such as natural gas supply curtailment or
breakdown of delivery system, that make it impossible to fire
natural gas in the gas turbine. (Effective 11/24/82)
RULE 260.332. STANDARD FOR NITROGEN OXIDES
(Rev. Effective 11/24/82)
(a) On and after the date on which the performance test
required by Rule 260.8 is completed, every owner or operator
subject to the provisions of this subpart, as specified in Sections
(b), (c), and (d) of this rule, shall comply with one of the
following, except as provided in Sections (e), (f), (g), (h), (i),
(j), (k), and (l) of this rule. (Rev. Effective 11/24/82)
(1) No owner or operator subject to the provisions of
this subpart shall cause to be discharged into the atmosphere
from any stationary gas turbine, any gases which contain
nitrogen oxides in excess of:
STD = 0.0075 (14.4) + F
------
Y
where:
STD = allowable NOx emissions (percent by volume at 15
percent oxygen and on a dry basis).
Y = manufacturer's rated heat rate at manufacturer's
rated load (kilojoules per watt hour) or, actual
measured heat rate based on lower heating value of
fuel as measured at actual peak load for the
facility. The value of Y shall not exceed 14.4
kilojoules per watt hour.
F = NOx emission allowance for fuel-bound nitrogen as
defined in Subsection (3) of this section.
(2) No owner or operator subject to the provisions of
this subpart shall cause to be discharged into the atmosphere
from any stationary gas turbine, any gases which contain
nitrogen oxides in excess of:
STD = 0.0150 (14.4) + F
------
Y
where:
STD = Allowable NOx emissions (percent by volume at 15
percent oxygen and on a dry basis).
Y = manufacturer's rated heat rate at manufacturer's
rated peak load (kilojoules per watt hour), or
actual measured heat rate based on lower heating
value of fuel as measured at actual peak load for
the facility. The value of Y shall not exceed 14.4
kilojoules per watt hour.
F = NOx emission allowance for fuel-bound nitrogen as
defined in Subsection (3) of this section.
(3) F shall be defined according to the nitrogen
content of the fuel as follows:
Fuel-Bound Nitrogen F
(percent by weight) (NOx percent by volume)
N < 0.015 0
0.015 < N < 0.1 0.04 (N)
0.1 < N < 0.25 0.004 + 0.0067 (N-0.1)
N > 0.25 0.005
where:
N = the nitrogen content of the fuel (percent by weight)
or:
Manufacturers may develop custom fuel-bound nitrogen
allowances for each gas turbine model they manufacture. These
fuel-bound nitrogen allowances shall be substantiated with data and
must be approved for use by the Administrator before the initial
performance test required by Rule 260.8. Notices of approval of
custom fuel-bound nitrogen allowances will be published in the
Federal Register.
(b) Electric utility stationary gas turbines with a heat
input at peak load greater than 107.2 gigajoules per hour (100
million Btu/hour) based on the lower heating value of the fuel
fired shall comply with the provisions of Rule 260.332 (a)(1).
(Rev. Effective 11/24/82)
(c) Stationary gas turbines with a heat input at peak load
equal to or greater than 10.7 gigajoules per hour (10 million
Btu/hour) but less than or equal to 107.2 gigajoules per hour (100
million Btu/hour) based on the lower heating value of the fuel
fired, shall comply with the provisions of Rule 260.332(a)(2).
(d) Stationary gas turbines with a manufacturer's rated base
load at ISO conditions of 30 megawatts or less except as provided
in Section (b) shall comply with Subsection (a)(2) of this rule.
(Rev. Effective 11/24/82)
(e) Stationary gas turbines with a heat input at peak load
equal to or greater than 10.7 gigajoules per hour (10 million
Btu/hour) but less than or equal to 107.2 gigajoules per hour (100
million Btu/hour) based on the lower heating value of the fuel
fired and that have commenced construction prior to October 3,
1982 are exempt from Section (a) of this rule.
(f) Stationary gas turbines using water or steam injection
for control of NOx emissions are exempt from Section (a) when ice
fog is deemed a traffic hazard by the owner or operator of the gas
turbine.
(g) Emergency gas turbines, military gas turbines for use in
other than a garrison facility, military gas turbines installed for
use as military training facilities, and fire fighting gas turbines
are exempt from Section (a) of this rule.
(h) Stationary gas turbines engaged by manufacturers in
research and development of equipment for both gas turbine emission
control techniques and gas turbine efficiency improvements are
exempt from Section (a) on a case-by-case basis as determined by
the Administrator.
(i) Exemptions from the requirements of Section (a) of this
rule will be granted on a case-by-case basis as determined by the
Administrator in specific geographical areas where mandatory water
restrictions are required by governmental agencies because of
drought conditions. These exemptions will be allowed only while
the mandatory water restrictions are in effect.
(j) Stationary gas turbines with a heat input at peak load
greater than 107.2 gigajoules per hour that commenced construction,
modification, or reconstruction between the dates of October 3,
1977, and January 27, 1982 and were required in the September 10,
1979, Federal Register (44 FR 52792) to comply with Rule 260.332
(a)(1), except electric utility stationary gas turbines, are exempt
from Section (a) of this rule. (Effective 11/24/82)
(k) Stationary gas turbines with a heat input greater than
or equal to 10.7 gigajoules per hour (10 million Btu/hour) when
fired with natural gas are exempt from Subsection (a)(2) of this
rule when being fired with an emergency fuel. (Effective 11/24/82)
(l) Regenerative cycle gas turbines with a heat input less
than or equal to 107.2 gigajoules per hour (100 million Btu/hour)
are exempt from Section (a) of this rule. (Effective 11/24/82)
RULE 260.333. STANDARD FOR SULFUR DIOXIDE
On and after the date on which the performance test required
to be conducted by Rule 260.8 is completed, every owner or operator
subject to the provision of this subpart shall comply with one or
the other of the following conditions:
(a) No owner or operator subject to the provisions of this
subpart shall cause to be discharged into the atmosphere from any
stationary gas turbine any gases which contain sulfur dioxide in
excess of 0.015 percent by volume at 15 percent oxygen and on a
dry basis.
(b) No owner or operator subject to the provisions of this
subpart shall burn in any stationary gas turbine any fuel which
contains sulfur in excess of 0.8 percent by weight.
RULE 260.334. MONITORING OF OPERATIONS
Monitoring requirements shall be those specified in Part 60,
Chapter I, Title 40, Code of Federal Regulations, Section 60.334.
RULE 260.335. TEST METHODS AND PROCEDURES
Performance tests shall be conducted as specified in Part 60,
Chapter I, Title 40, Code of Federal Regulations, Section 60.335.