Cal. Code Regs. tit. 17 § 93115.6

Current through Register 2024 Notice Reg. No. 49, December 6, 2024
Section 93115.6 - ATCM for Stationary CI Engines - Emergency Standby Diesel-Fueled CI Engine (>50 Bhp) Operating Requirements and Emission Standards
(a)New Emergency Standby Diesel-Fueled CI Engine ( >50 bhp) Operating Requirements and Emission Standards.
(1)At-School and Near-School Provisions. No owner or operator shall operate a new stationary emergency standby diesel-fueled CI engine for non-emergency use, including maintenance and testing, during the following periods:
(A) whenever there is a school sponsored activity, if the engine is located on school grounds, and
(B) between 7:30 a.m. and 3:30 p.m. on days when school is in session, if the engine is located within 500 feet of school grounds. Section 93115.6(a)(1) does not apply if the engine emits no more than 0.01 g/bhp-hr of diesel PM.
(2) No owner or operator shall operate any new stationary emergency standby diesel-fueled CI engine ( >50 bhp) in response to the notification of an impending rotating outage, unless all the following criteria are met:
(A) the engine's permit to operate allows operation of the engine in anticipation of a rotating outage, or the District has established a policy or program that authorizes operation of the engine in anticipation of a rotating outage; and
(B) the Utility Distribution Company has ordered rotating outages in the control area where the engine is located, or has indicated it expects to issue such an order at a specified time; and
(C) the engine is located in a specific location that is subject to the rotating outage; and
(D) the engine is operated no more than 30 minutes prior to the time when the Utility Distribution Company officially forecasts a rotating outage in the control area; and
(F) the engine operation is terminated immediately after the Utility Distribution Company advises that a rotating outage is no longer imminent or in effect.
(3)New Engines: As of January 1, 2005, except as provided in section 93115.3, no person shall sell, offer for sale, purchase, or lease for use in California any new stationary emergency standby diesel-fueled CI engine that has a rated brake horsepower greater than 50 unless it meets the following applicable emission standards, and no person shall operate any new stationary emergency standby diesel-fueled CI engine that has a rated brake horsepower greater than 50, unless it meets all of the following applicable operating requirements and emission standards specified in 93115.6(a)(3):
(A)Emissions Standards and Hours of Operating Requirements.
1. New stationary emergency standby diesel-fueled engines ( >50 bhp) shall:
a. meet the applicable emission standards for all pollutants for the same model year and maximum horsepower rating as specified in Table 1 Emission Standards for New Stationary Emergency Standby Diesel-Fueled CI Engines, in effect on the date of acquisition or submittal, as defined in section 93115.4, and
b. after December 31, 2008, be certified to the new nonroad compression-ignition (CI) engine emission standards for all pollutants for 2007 and later model year engines as specified in 40 CFR, PART 60, Subpart III--Standards of Performance for Stationary Compression Ignition Internal Combustion Engines (2006); and
c. not operate more than 50 hours per year for maintenance and testing purposes, except as provided in 93115.6(a)(3)(A)2. This subsection does not limit engine operation for emergency use and for emission testing to show compliance with 93115.6(a)(3).
2. The District may allow a new stationary emergency standby diesel-fueled CI engine ( > 50 hp) to operate up to 100 hours per year for maintenance and testing purposes on a site-specific basis, provided the diesel PM emission rate is less than or equal to 0.01 g/bhp-hr.

Table 1. Emission Standards for New Stationary Emergency Standby Diesel-Fueled CI Engines g/bhp-hr (g/kW-hr)

Maximum Engine PowerModel year(s)PMNMHC+NOxCO
50 [LESS THAN EQUAL TO] HP < 7520070.15 (0.20)5.6 (7.5)3.7 (5.0)
(37 [LESS THAN EQUAL TO] kW < 56)2008+3.5 (4.7)
75 [LESS THAN EQUAL TO] HP < 10020070.15 (0.20)5.6 (7.5)3.7 (5.0)
(56 [LESS THAN EQUAL TO] kW < 75)2008+3.5 (4.7)
100 [LESS THAN EQUAL TO] HP < 17520070.15 (0.20)3.0 (4.0)3.7 (5.0)
(75 [LESS THAN EQUAL TO] kW < 130)2008+
175 [LESS THAN EQUAL TO] HP < 30020070.15 (0.20)3.0 (4.0)2.6 (3.5)
(130 [LESS THAN EQUAL TO] kW < 225)2008+
300 [LESS THAN EQUAL TO] HP < 60020070.15 (0.20)3.0 (4.0)2.6 (3.5)
(225 [LESS THAN EQUAL TO] kW < 450)2008+
600 [LESS THAN EQUAL TO] HP < 75020070.15 (0.20)3.0 (4.0)2.6 (3.5)
(450 [LESS THAN EQUAL TO] kW < 560)2008+
HP > 75020070.15 (0.20)4.8 (6.4)2.6 (3.5)
(kW > 560)2008+
__________
1. May be subject to additional emission limitations as specified in current applicable district rules, regulations or policies.

(B) The District:
1. may establish more stringent diesel PM, NMHC+NOx, HC, NOx, and CO emission rate standards; and
2. may establish more stringent limits on hours of maintenance and testing on a site-specific basis; and
3. shall determine an appropriate limit on the number of hours of operation for demonstrating compliance with other District rules and initial start-up testing.
(4)New Direct-Drive Emergency Standby Fire Pump Engines: Except as provided in section 93115.3, no person shall sell, offer for sale, purchase, or lease for use in California any new stationary emergency standby diesel-fueled direct-drive fire-pump CI engine that has a rated brake horsepower greater than 50 unless the fire pump engine meets the applicable emission standards and certification requirements specified in section 93115.6(a)(4), and no person shall operate any new stationary emergency standby diesel-fueled direct-drive fire pump CI engine that has a rated brake horsepower greater than 50, unless it meets all of the applicable operating requirements and emission standards specified in 93115.6(a)(4).
(A)Standards and Hours of Operating Requirements.
1. New direct-drive emergency standby diesel-fueled fire-pump engines ( >50 bhp) shall,
a. meet the applicable emissions standards for all pollutants as specified in Table 2 Emissions Standards for New Stationary Emergency Standby Direct-Drive Fire Pump Engines for the model year and NFPA nameplate power rating; and
b. meet the new fire pump engine certification requirements and emission standards required by 40 CFR § 60.4202 (d.) Standards of Performance for Stationary Compression Ignition Internal Combustion Engines (2006); and
c. not operate more than the number of hours necessary to comply with the testing requirements of the National Fire Protection Association (NFPA) 25 -- "Standard for the Inspection, Testing, and Maintenance of Water-Based Fire Protection Systems," 2002 edition, which is incorporated herein by reference. This subsection does not limit engine operation for emergency use and for emission testing to show compliance with 93115.6(a)(4).

Table 2. Emission Standards for New Stationary Emergency Standby Direct-Drive Fire Pump Engines > 50 BHP g/bhp-hr (g/kW-hr)

Maximum Engine Power

Model year(s)

PM

NMHC+NOx

CO

50 [LESS THAN EQUAL TO] HP < 752010 and earlier0.60 (0.80)7.8 (10.5)3.7 (5.0)
(37 [LESS THAN EQUAL TO] kW < 56)2011+10.30 (0.40)3.5 (4.7)
75 [LESS THAN EQUAL TO] HP < 1002010 and earlier0.60 (0.80)7.8 (10.5)3.7 (5.0)
(56 [LESS THAN EQUAL TO] kW < 75)2011+10.30 (0.40)3.5 (4.7)
100 [LESS THAN EQUAL TO] HP < 1752009 and earlier0.60 (0.80)7.8 (10.5)3.7 (5.0)
(75 [LESS THAN EQUAL TO] kW < 130)2010+20.22 (0.30)3.0 (4.0)
175 [LESS THAN EQUAL TO] HP < 3002008 and earlier0.40 (0.54)7.8 (10.5)2.6 (3.5)
(130 [LESS THAN EQUAL TO] kW < 225)2009+30.15 (0.20)3.0 (4.0)
300 [LESS THAN EQUAL TO] HP < 6002008 and earlier0.40 (0.54)7.8 (10.5)2.6 (3.5)
(225 [LESS THAN EQUAL TO] kW < 450)2009+30.15 (0.20)3.0 (4.0)
600 [LESS THAN EQUAL TO] HP < 7502008 and earlier0.40 (0.54)7.8 (10.5)2.6 (3.5)
(450 [LESS THAN EQUAL TO] kW < 560)2009+0.15 (0.20)3.0 (4.0)
HP > 7502007 and earlier0.40 (0.54)7.8 (10.5)2.6 (3.5)
(kW > 560)2008+0.15 (0.20)4.8 (6.4)
__________
1. For model years 2011-2013, manufacturers, owners and operators of fire pump stationary CI ICE in this engine power category with a rated speed of greater than 2,650 revolutions per minute (rpm) may comply with the emission limitations for 2010 model year engines.
2. For model years 2010-2012, manufacturers, owners and operators of fire pump stationary CI ICE in this engine power category with a rated speed of greater than 2,650 rpm may comply with the emission limitations for 2009 model year engines.
3. In model years 2009-2011, manufacturers of fire pump stationary CI ICE in this engine power category with a rated speed of greater than 2,650 rpm may comply with the emission limitations for 2008 model year engines.

(B) The District:
1. may establish more stringent diesel PM, NMHC+NOx, HC, NOx, and CO emission rate standards; and
2. may establish more stringent limits on hours of maintenance and testing on a site-specific basis; and
3. shall determine an appropriate limit on the number of hours of operation for demonstrating compliance with other District rules and initial start-up testing.
(b)In-Use Emergency Standby Diesel-Fueled CI Engine ( > 50 bhp) Operating Requirements and Emission Standards.
(1) No owner or operator shall operate any in-use stationary emergency standby diesel-fueled CI engine in response to the notification of an impending rotating outage unless all the following criteria are met:
(A) the engine's permit to operate allows operation of the engine in anticipation of a rotating outage, or the District has established a policy or program that authorizes operation of the engine in anticipation of a rotating outage; and
(B) the Utility Distribution Company has ordered rotating outages in the control area where the engine is located, or has indicated it expects to issue such an order at a certain time; and
(C) the engine is located in a specific location that is subject to the rotating outage; and
(D) the engine is operated no more than 30 minutes prior to the time when the Utility Distribution Company officially forecasts a rotating outage in the control area; and
(E) the engine operation is terminated immediately after the Utility Distribution Company advises that a rotating outage is no longer imminent or in effect.
(2)At-School and Near-School Provisions. No owner or operator shall operate an in-use stationary emergency standby diesel-fueled CI engine for non-emergency use, including maintenance and testing, during the following periods:
(A) whenever there is a school sponsored activity, if the engine is located on school grounds, and
(B) between 7:30 a.m. and 3:30 p.m. on days when school is in session, if the engine is located within 500 feet of school grounds. Section 93115.6(b)(2) does not apply if the engine emits no more than 0.01 g/bhp-hr of diesel PM.
(3) Except as provided in section 93115.3, no owner or operator shall operate an in-use stationary emergency standby diesel-fueled CI engine ( > 50 hp) in California unless it meets, in accordance with the applicable compliance schedules specified in sections 93115.11 and 93115.12, the following requirements (which are summarized in Table 3):

Table 3. Summary of the Emission Standards and Operating Requirements for In-Use Stationary Emergency Standby Diesel-Fueled CI Engines > 50 BHP (See section 93115.6(a)(3))

Maximum Engine PowerModel year(s)PMNMHC+NOxCO
50 [LESS THAN EQUAL TO] HP < 752010 and earlier0.60 (0.80)7.8 (10.5)3.7 (5.0)
(37 [LESS THAN EQUAL TO] kW < 56)2011+10.30 (0.40)3.5 (4.7)
75 [LESS THAN EQUAL TO] HP < 1002010 and earlier0.60 (0.80)7.8 (10.5)3.7 (5.0)
(56 [LESS THAN EQUAL TO] kW < 75)2011+10.30 (0.40)3.5 (4.7)
100 [LESS THAN EQUAL TO] HP < 1752009 and earlier0.60 (0.80)7.8 (10.5)3.7 (5.0)
(75 [LESS THAN EQUAL TO] kW < 130)2010+20.22 (0.30)3.0 (4.0)
175 [LESS THAN EQUAL TO] HP < 3002008 and earlier0.40 (0.54)7.8 (10.5)2.6 (3.5)
(130 [LESS THAN EQUAL TO] kW < 225)2009+30.15 (0.20)3.0 (4.0)
300 [LESS THAN EQUAL TO] HP < 6002008 and earlier0.40 (0.54)7.8 (10.5)2.6 (3.5)
(225 [LESS THAN EQUAL TO] kW < 450)2009+30.15 (0.20)3.0 (4.0)
600 [LESS THAN EQUAL TO] HP < 7502008 and earlier0.40 (0.54)7.8 (10.5)2.6 (3.5)
(450 [LESS THAN EQUAL TO] kW < 560)2009+0.15 (0.20)3.0 (4.0)
HP > 7502007 and earlier0.40 (0.54)7.8 (10.5)2.6 (3.5)
(kW > 560)2008+0.15 (0.20)4.8 (6.4)
__________
1. For model years 2011-2013, manufacturers, owners and operators of fire pump stationary CI ICE in this engine power category with a rated speed of greater than 2,650 revolutions per minute (rpm) may comply with the emission limitations for 2010 model year engines.
2. For model years 2010-2012, manufacturers, owners and operators of fire pump stationary CI ICE in this engine power category with a rated speed of greater than 2,650 rpm may comply with the emission limitations for 2009 model year engines.
3. In model years 2009-2011, manufacturers of fire pump stationary CI ICE in this engine power category with a rated speed of greater than 2,650 rpm may comply with the emission limitations for 2008 model year engines.

(A)Diesel PM Standard and Hours of Operation Limitations.
1.General Requirements:
a. No owner or operator shall operate an in-use stationary emergency standby diesel-fueled CI engine ( >50 bhp) that emits diesel PM at a rate greater than 0.40 g/bhp-hr more than 20 hours per year for maintenance and testing purposes. The District may approve up to 20 additional hours per year for the maintenance and testing of such in-use emergency standby diesel fueled CI engines operated at health facilities. This subsection does not limit engine operation for emergency use and for emission testing to show compliance with 93115.6(b)(3).
b. No owner or operator shall operate an in-use stationary emergency standby diesel-fueled CI engine ( >50 bhp) that emits diesel PM at a rate less than or equal to 0.40 g/bhp-hr more than 30 hours per year for maintenance and testing purposes, except as provided in 93115.6(b)(3)(A)2. This section does not limit engine operation for emergency use and for emission testing to show compliance with 93115.6(b)(3).
2. The District may allow in-use stationary emergency standby diesel-fueled CI engines ( > 50 bhp) to operate more than 30 hours per year for maintenance and testing purposes on a site-specific basis, provided the following limits are met:
a. Up to 40 annual hours of operation are allowed for maintenance and testing purposes at a health facility if the diesel PM emission rate is greater than 0.15 g/bhp-hr but less than or equal to 0.40 g/bhp-hr.
b. Up to 50 annual hours of operation are allowed for maintenance and testing purposes if the diesel PM emission rate is greater than 0.01 g/bhp-hr but less than or equal to 0.15 g/bhp-hr.
c. Up to 100 annual hours of operation are allowed for maintenance and testing purposes if the diesel PM emission rate is less than or equal to 0.01 g/bhp-hr.
(B)Additional Standards:

Owners or operators that choose to meet the diesel PM standards defined in section 93115.6(b)(3)(A) with emission control strategies that are not verified through the Verification Procedure shall either:

1. Meet the applicable HC, NOx, NMHC+NOx, and CO standards for off-road engines of the same model year and maximum rated power as specified in the Off-Road Compression-Ignition Engine Standards (title 13, CCR, section 2423). If no standards have been established for an off-road engine of the same model year and maximum rated power as the in-use stationary emergency standby diesel-fueled CI engine, then the in-use stationary emergency standby diesel-fueled CI engine shall meet the Tier 1 standards in title 13, CCR, section 2423 for an off-road engine of the same maximum rated power, irrespective of the in-use stationary emergency standby diesel-fueled CI engine's model year; Or
2. Not increase CO emission rates by more than 10% above baseline; and

Not increase HC or NOx emission rates by more than 10% above baseline; or

Not increase the sum of NMHC and NOx emission rates above baseline.

(C) The District:
1. may establish more stringent diesel PM, NMHC+NOx, HC, NOx, and CO emission rate standards; and
2. may establish more stringent limits on hours of maintenance and testing on a site-specific basis; and
3. shall determine an appropriate limit on the number of hours of operation for demonstrating compliance with other District rules and initial start-up testing.
(c)Operating Requirements and Emission Standards for New and In-Use Emergency Standby Stationary Diesel-Fueled CI Engines that Have a Rated Brake Horsepower of Greater than 50 ( >50 bhp) Used in Demand Response Programs (DRP Engines).
(1)New Emergency Standby Diesel-Fueled CI DRP Engines ( >50 bhp) Operating Requirements and Emission Standards.
(A)At-School and Near-School Provisions. No owner or operator shall operate a new stationary emergency standby diesel-fueled CI DRP engine for non-emergency use, including maintenance and testing, during the following periods:
1. whenever there is a school sponsored activity, if the engine is located on school grounds; and
2. between 7:30 a.m. and 3:30 p.m. on days when school is in session, if the engine is located within 500 feet of school grounds. Section 93115.6(c)(1)(A) does not apply if the engine emits no more than 0.01 g/bhp-hr of diesel PM.
(B) No owner or operator shall operate any in-use new stationary emergency standby diesel-fueled CI DRP engine ( >50 bhp) in response to the notification of an impending rotating outage, unless the engine is operating pursuant to a DRP, or all of the following criteria are met:
1. the engine's permit to operate allows operation of the engine in anticipation of a rotating outage, or the District has established a policy or program that authorizes operation of the engine in anticipation of a rotating outage; and
2. the Utility Distribution Company has ordered rotating outages in the control area where the engine is located, or has indicated it expects to issue such an order at a specified time; and
3. the engine is in a specific location that is subject to the rotating outage in the control area; and
4. the engine is operated no more than 30 minutes prior to the time when the Utility Distribution Company officially forecasts a rotating outage in the control area; and
5. the engine operation is terminated immediately after the Utility Distribution Company advises that a rotating outage is no longer imminent or in effect.
(C) Except as provided in section 93115.3, no owner or operator shall operate any new stationary emergency standby diesel-fueled CI DRP engine ( >50 bhp), unless it meets all of the following applicable operating requirements and emission standards:
1.Diesel PM Standard and Hours of Operating Requirements.
a. New DRP Engines enrolled in the RBRP on or after January 1, 2005, and prior to January 1, 2008, shall:
(i.) meet the requirements specified in 93115.6(a)(3) and
(ii.) not operate more than 75 hours per year for RBRP operation.
b. New DRP Engines enrolled in the RBRP on or after January 1, 2008, shall:
(i.) meet the more stringent diesel PM standard of either 0.01 g/bhp-hr of diesel PM; or
(ii.) the current model year diesel PM standard as specified in the Off-Road Compression Ignition Engine Standards for off-road engines with the same maximum rated power (title 13, CCR, section 2423) in effect on the date of RBRP enrollment; and
(iii.) comply with the limitations on the hours of operation for maintenance and testing as specified in 93115.6(a)(3)(A)2.; and
(iv.) not operate more than 75 hours per year for RBRP operation.
c. New DRP Engines enrolled in an ISC on or after January 1, 2005, shall:
(i.) meet the more stringent diesel PM standard of either 0.01 g/bhp-hr diesel PM; or
(ii.) the current model year diesel PM standard as specified in the Off-Road Compression Ignition Engine Standards for off-road engines with the same maximum rated power (title 13, CCR, section 2423) in effect on the date of ISC enrollment; and
(iii.) comply with the limitations on the hours of operation for maintenance and testing as specified in 93115.6(a)(3)(A)2.; and
(iv.) not operate more than 150 hours per year for ISC operation.
2.HC, NOx, NMHC + NOx, and CO standards: No owner or operator shall operate any new stationary emergency standby diesel-fueled CI DRP engine ( >50 bhp), unless it meets the standards for off-road engines of the same model year and maximum rated power as specified in section 93115.6(a)(3)(A), irrespective of the new stationary emergency standby diesel-fueled CI DRP engine's model year.
3. A District:
a. may establish more stringent diesel PM, NMHC+NOx, HC, NOx, and CO emission rate standards; and
b. may establish more stringent maintenance and testing hour of operation standards on a site-specific basis; and
c. shall determine an appropriate limit on the number of hours of operation for demonstrating compliance with other District rules and initial start-up testing.
(2)In-Use Emergency Standby Diesel-Fueled CI DRP Engine ( > 50 bhp) Operating Requirements and Emission Standards.
(A)At-School and Near-School Provisions. No owner or operator shall operate an in-use stationary emergency standby diesel-fueled CI engine for non-emergency use, including maintenance and testing during the following periods:
1. whenever there is a school sponsored activity, if the engine is located on school grounds; and
2. between 7:30 a.m. and 3:30 p.m. on days when school is in session, if the engine is located within 500 feet of school grounds. Section 93115.6(c)(2)(A) does not apply if the engine emits no more than 0.01 g/bhp-hr of diesel PM.
(B) No owner or operator shall operate any in-use stationary emergency standby diesel-fueled CI DRP engine ( >50 bhp) in response to the notification of an impending rotating outage, unless the engine is operating pursuant to a DRP, or all of the following criteria are met:
1. the engine's permit to operate allows operation of the engine in anticipation of a rotating outage, or the District has established a policy or program that authorizes operation of the engine in anticipation of a rotating outage; and
2. the Utility Distribution Company has ordered rotating outages in the control area where the engine is located, or has indicated it expects to issue such an order at a certain time; and
3. the engine is in a specific location that is subject to the rotating outage in the control area; and
4. the engine is operated no more than 30 minutes prior to the time when the Utility Distribution Company officially forecasts a rotating outage in the control area; and
5. the engine operation is terminated immediately after the Utility Distribution Company advises that a rotating outage is no longer imminent or in effect.
(C) Except as provided in section 93115.3, no owner or operator shall operate any in-use stationary emergency standby diesel-fueled CI DRP engine ( > 50 hp) unless it meets all of the following applicable operating requirements and emission standards:
1.Diesel PM Standard and Hours of Operation Requirements.
a. In-Use DRP Engines enrolled in the RBRP prior to January 1, 2005, shall:
(i.) meet the diesel PM standards and hour of operation limitations specified in 93115.6(b)(3)(A) and (B); and
(ii.) not operate more than 75 hours per year for RBRP operation.
b. In-Use DRP Engines enrolled in the RBRP on or after January 1, 2005, and prior to January 1, 2008, shall:
(i.) meet a diesel PM standard of 0.15 g/bhp-hr diesel PM; and
(ii.) meet the requirements specified in 93115.6(b)(3)(A) for maintenance and testing hours of operation; and
(iii.) not operate more than 75 hours per year for RBRP operation.
c. In-Use DRP Engines enrolled in the RBRP on or after January 1, 2008, shall:
(i.) meet a diesel PM standard of 0.01 g/bhp-hr diesel PM; and
(ii.) meet the requirements specified in 93115.6(b)(3)(A) for maintenance and testing hours of operation; and
(iii.) not operate more than 75 hours per year for RBRP operation.
d. In-Use DRP Engines enrolled in an ISC prior to January 1, 2005, shall as of January 1, 2006:
(i.) meet a diesel PM standard of 0.15 g/bhp-hr diesel PM; and
(ii.) meet the requirements specified in 93115.6(b)(3)(A) for maintenance and testing hours of operation; and
(iii.) not operate more than 150 hours per year for ISC operation.
e. In-Use DRP Engines enrolled in an ISC on or after January 1, 2005, and prior to January 1, 2008, shall:
(i.) meet a diesel PM standard of 0.15 g/bhp-hr diesel PM; and
(ii.) meet the requirements specified in 93115.6(b)(3)(A) for maintenance and testing hours of operation; and
(iii.) not operate more than 150 hours per year for ISC operation.
f. In-Use DRP Engines enrolled in an ISC on or after January 1, 2008, shall:
(i.) meet a diesel PM standard of 0.01 g/bhp-hr diesel PM; and
(ii.) meet the requirements specified in 93115.6(b)(3)(A) for maintenance and testing hours of operation; and
(iii.) not operate more than 150 hours per year for ISC operation.
2.Additional Standards.

Owners or operators that choose to meet the diesel PM standards and hour of operation limits defined in section 93115.6(c)(2)(C) with emission control strategies that are not verified through the Verification Procedure shall either:

a. Meet the applicable HC, NOx, NMHC+NOx, and CO standards for off-road engines of the same model year and maximum rated power as specified in the Off-Road Compression Ignition Engine Standards (title 13, CCR, section 2423). If no standards have been established for an off-road engine of the same model year and maximum rated power as the in-use stationary emergency standby diesel-fueled CI DRP engine, then the in-use stationary emergency standby diesel-fueled CI DRP engine shall meet the Tier 1 standards in title 13, CCR, section 2423 for an off-road engine of the same maximum rated power, irrespective of the in-use stationary emergency standby diesel-fueled CI DRP engine's model year; or
b. Not increase CO emission rates by more than 10% above baseline; and not increase HC or NOx emission rates by more than 10% above baseline, or not increase the sum of NMHC and NOx emission rates above baseline.
3. A District:
a. may establish more stringent diesel PM, NMHC+NOx, HC, NOx, and CO emission rate standards; and
b. may establish more stringent limits on hours of maintenance and testing on a site-specific basis; and
c. shall determine an appropriate limit on the number of hours of operation for demonstrating compliance with other District rules and initial start-up testing.
(3)Other Requirements Specific to RBRP Engines and the San Diego. Gas and Electric Company (SDG&E).
(A) The sum total electrical generation (also known as the "total load reduction capacity") from all diesel-fueled engines dispatched in the RBRP shall not exceed 80.0 megawatts (MW) at any time.
(B) RBRP Engines shall be dispatched by SDG&E into service in accordance with a district-approved dispatch protocol as specified in section 93115.10(h)(2).
(4)Requirements Applicable to DRP Engines after a DRP is Terminated

After a DRP is terminated by either the Utility Distribution Company or the engine owner or operator, the DRP engine shall remain subject to the requirements of section 93115.6(c) as if the DRP were still in effect.

Cal. Code Regs. Tit. 17, § 93115.6

1. Renumbering and amendment of former subsections 93115(e)(2)-(e)(2)(B)2.c.III. to new section 93115.6 filed 9-18-2007; operative 10-18-2007 (Register 2007, No. 38).
2. Editorial correction of subsection (c)(2)(B) (Register 2008, No. 17).
3. Change without regulatory effect redesignating subsections (c)(2)(B)a.-e. as subsections (c)(2)(B)1.-5. filed 4-21-2008 pursuant to section 100, title 1, California Code of Regulations (Register 2008, No. 17).
4. Amendment filed 5-19-2011; operative 5-19-2011 pursuant to Government Code section 11343.4 (Register 2011, No. 20).

Note: Authority cited: Sections 39600, 39601, 39658, 39659, 39666, 41511 and 43013, Health and Safety Code. Reference: Sections 39002, 39650, 39658, 39659, 39666, 40000, 41511 and 43013, Health and Safety Code.

1. Renumbering and amendment of former subsections 93115(e)(2)-(e)(2)(B)2.c.III. to new section 93115.6 filed 9-18-2007; operative 10-18-2007 (Register 2007, No. 38).
2. Editorial correction of subsection (c)(2)(B) (Register 2008, No. 17).
3. Change without regulatory effect redesignating subsections (c)(2)(B)a.-e. as subsections (c)(2)(B)1.-5. filed 4-21-2008 pursuant to section 100, title 1, California Code of Regulations (Register 2008, No. 17).
4. Amendment filed 5-19-2011; operative 5-19-2011 pursuant to Government Code section 11343.4 (Register 2011, No. 20).