Cal. Code Regs. tit. 17, § 93115.6
(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:
(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:
(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:
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 Power
Model year(s)
PM
NMHC+NOx
CO
50 ≤ HP < 75
2007
0.15 (0.20)
5.6 (7.5)
3.7 (5.0)
(37 ≤ kW < 56)
2008+
3.5 (4.7)
75 ≤ HP < 100
2007
0.15 (0.20)
5.6 (7.5)
3.7 (5.0)
(56 ≤ kW < 75)
2008+
3.5 (4.7)
100 ≤ HP < 175
2007
0.15 (0.20)
3.0 (4.0)
3.7 (5.0)
(75 ≤ kW < 130)
2008+
175 ≤ HP < 300
2007
0.15 (0.20)
3.0 (4.0)
2.6 (3.5)
(130 ≤ kW < 225)
2008+
300 ≤ HP < 600
2007
0.15 (0.20)
3.0 (4.0)
2.6 (3.5)
(225 ≤ kW < 450)
2008+
600 ≤ HP < 750
2007
0.15 (0.20)
3.0 (4.0)
2.6 (3.5)
(450 ≤ kW < 560)
2008+
HP > 750
2007
0.15 (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:
(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,
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 ≤ HP < 75
2010 and earlier
0.60 (0.80)
7.8 (10.5)
3.7 (5.0)
(37 ≤ kW < 56)
2011+1
0.30 (0.40)
3.5 (4.7)
75 ≤ HP < 100
2010 and earlier
0.60 (0.80)
7.8 (10.5)
3.7 (5.0)
(56 ≤ kW < 75)
2011+1
0.30 (0.40)
3.5 (4.7)
100 ≤ HP < 175
2009 and earlier
0.60 (0.80)
7.8 (10.5)
3.7 (5.0)
(75 ≤ kW < 130)
2010+2
0.22 (0.30)
3.0 (4.0)
175 ≤ HP < 300
2008 and earlier
0.40 (0.54)
7.8 (10.5)
2.6 (3.5)
(130 ≤ kW < 225)
2009+3
0.15 (0.20)
3.0 (4.0)
300 ≤ HP < 600
2008 and earlier
0.40 (0.54)
7.8 (10.5)
2.6 (3.5)
(225 ≤ kW < 450)
2009+3
0.15 (0.20)
3.0 (4.0)
600 ≤ HP < 750
2008 and earlier
0.40 (0.54)
7.8 (10.5)
2.6 (3.5)
(450 ≤ kW < 560)
2009+
0.15 (0.20)
3.0 (4.0)
HP > 750
2007 and earlier
0.40 (0.54)
7.8 (10.5)
2.6 (3.5)
(kW > 560)
2008+
0.15 (0.20)
4.8 (6.4)
__________
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:
(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:
(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:
(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))
Diesel PM
Other Pollutants
Diesel PM
Maximum Allowable Annual Hours of Operation for Engines Meeting Diesel PM Standards
HC, NOx, NMHC+NOx, and
Standards
Non-Emergency Use
CO Standards (g/bhp-hr)
(g/bhp-hr)
Emergency Use
Emission Testing to show compliance1
Maintenance & Testing (hours/year)
>0.402
Not Limited by ATCM2
Not Limited by ATCM2
20
Not limited by ATCM2
>0.15 and ≤0.40
Not Limited by ATCM2
Not Limited by ATCM2
21 to 30
For engines with emission control strategies not verified through the verification procedure:
>0.01 and ≤0.15
Not Limited by ATCM2
Not Limited by ATCM2
31 to 50 (Upon approval by the District)
Off-Road CI Engine Certification Standards for an off-road engine of the model year and maximum rated power of the engine installed to meet the applicable PM standard, or Tier 1 standards.3
OR
≤0.01
Not Limited by
Not Limited by
51 to 100
Both (i) and (ii) must be met:
ATCM2
ATCM2
(Upon approval by the District)
(i) No increase in HC or NOx above 10% from baseline levels
OR
No increase in NMHC+NOx emissions above baseline levels
(ii) No increase in CO above 10% from baseline levels
__________
3. The option to comply with the Tier 1 standards is available only if no off-road engine certification standards have been established for an off-road engine of the same model year and maximum rated power as the new stationary emergency standby diesel-fueled CI engine.
(A) Diesel PM Standard and Hours of Operation Limitations.
1. General Requirements:
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:
(B) Additional Standards:
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.
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:
(C) The District:
(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:
(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:
(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.
3. A District:
(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:
(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:
(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:
3. A District:
(3) Other Requirements Specific to RBRP Engines and the San Diego. Gas and Electric Company (SDG&E).
(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.
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).