Verification Procedure - Stationary

This page last reviewed November 6, 2014

The current verified technologies are listed below. Please read the verification letter(s) below which provide additional information on the applicability of the device for your particular engine. Click on the link below each system for a list of engine families for which devices have been approved (engine series names are provided for reference in most cases). For more detailed information or to purchase the device, please contact the device manufacturer directly. New information will be posted as additional systems are verified. Please check periodically for updates.

Level 3 - 85 Percent or Greater Reduction in Particulate Matter:

Catalytic Exhaust Products

The ARB has verified the Catalytic Exhaust Products Ltd. Dieselytic SXS-SC diesel particulate filter (DPF) as a Level 3 Plus device for Tier 1, Tier 2, or Tier 3 certified off-road engines used in stationary prime and emergency standby generators and pumps. The Dieselytic SXS-SC DPF reduces diesel particulate matter by 85 percent or greater and does not increase nitrogen dioxide (NO2) emissions beyond the 2009 limit of 20 percent of the baseline oxides of nitrogen (NOx) emissions. This verification is subject to the terms and conditions specified below and only for use with engines listed in the engine family list . Since there may be significant variations from application to application, Catalytic Exhaust Products Ltd. must review actual operating conditions (duty cycle, baseline emissions, exhaust temperature profiles, and engine backpressure) prior to retrofitting an engine with a Dieselytic SXS-SC DPF to ensure compatibility.

Engines must meet the following operating criteria:

Parameter Value
Application Stationary Prime and E/S Power Generation and Prime and E/S Pumping
Engine Type Diesel, with or without turbocharger, without Exhaust-Gas Recirculation (EGR), mechanically or electronically controlled, certified off-road engines meeting 0.2 g/bhp-hr diesel PM or less based on certification or in-use emission testing.
Minimum Exhaust Temperature for Filter Regeneration The engine must operate at the load level required to achieve 400 degrees Celsius (ºC) for a minimum of 30 minutes.  Operation at lower temperatures is allowed, but only for a limited duration. 
Maximum Consecutive Minutes Operating Below Passive Regeneration Temperature 300 minutes
Number of Cold Start and 30 Minute Idle Sessions before Regeneration Required 10
Number of Hours of Operation Before Cleaning of Filter Required 2,000 when using diesel fuel with <15 ppm sulfur.
Fuel California diesel fuel with less than or equal to 15 ppm sulfur or a biodiesel blend provided that the biodiesel portion of the blend complies with ASTM D6751, the diesel portion of the blend complies with Title 13 (CCR), sections 2281 and 2282 and the blend contains no more than 20 percent biodiesel by volume.
PM Verification Level Level 3 Plus Verification:
  • PM - at least 85% reduction
  • NO2 - meets January 2009 limit



Caterpillar Emissions Solutions, Inc.


The ARB has verified the Caterpillar DPF for Stationary as a Level 3 (reduces emissions of diesel particulate matter (PM) by 85 percent or greater) diesel emission control device for use on diesel engines used in a stationary application associated with emergency standby and prime generators.  The ARB has designated the stationary diesel engine verification of the Caterpillar DPF for Stationary as a Plus system meeting the requirements of section 2702(f) limiting the nitrogen dioxide (NO2) increase to 20% of the baseline nitrogen oxides (NOX).  The Caterpillar DPF for Stationary is verified for diesel engines certified to Tier 1, Tier 2, or Tier 3, emitting PM at a rate of 0.2 g/bhp-hr or less, subject to the terms and conditions specified below and in the engine family list.  For complete information please view the verification letter and engine family list below.  Caterpillar purchased CleanAIR Systems, Inc. and assumed ownership of the PERMITTM DPF verification.  The product name was changed to the “Caterpillar DPF for Stationary”.

Engines must meet the following operating criteria:

Parameter Value
Application Stationary Prime and Emergency Standby Power Generation
Engine Type Diesel, with or without turbocharger, without  Exhaust-Gas Recirculation (EGR), mechanically or electronically controlled, certified Tier 1, Tier 2, Tier 3, Tier 4i with a rated horsepower between 50 and 75 or over 750, or Tier 4 Alt 20% NOx and PM off-road engines of less than or equal to 0.2 g/bhp-hr.
Maximum consecutive minutes at idle 240 minutes
Number of 10 minute idle sessions before regeneration is required Regeneration recommended after 12 consecutive sessions; required after 24
Minimum temperature/load/time requirements for regeneration in 4-stroke engine 300o Celsius for 30% of operating time or 2 hours, whichever is longer.  For most engines, 40% load results in temperature of at least 300o Celsius.  For 2010 and newer Caterpillar engines listed in Attachment 1, the engine operating parameters (minimum load and exhaust temperature) must be met for 30% of operating time or 2 hours, whichever is longer. 
Number of hours of operation before cleaning/disposal of filter 5,000 hours under normal operating conditions
Fuel California diesel fuel with less than or equal to 15 ppm sulfur or a biodiesel blend provided that the biodiesel portion of the blend complies with ASTM D6751 (15 ppm sulfur), the diesel portion of the blend complies with Title 13 (CCR), sections 2281 and 2282 and the blend contains no more than 20 percent biodiesel by volume.
PM Verification Level Level 3 Plus Verification:
  • PM - at least 85% reduction
  • NO2 - meets January 2009 limit


Clariant Corporation

The ARB has verified the Clariant Corporation EnviCat®-DPF diesel particulate filter as a Level 3 Plus device for Tier 1, Tier 2, or Tier 3 certified off-road engines used in stationary prime and emergency standby power generators and pumps. The Clariant Corporation EnviCat®-DPF reduces diesel particulate matter by 85 percent or greater and does not increase nitrogen dioxide (NO2) emissions beyond the 2009 limit of 20 percent of the baseline oxides of nitrogen (NOx) emissions. This verification is subject to the terms and conditions specified below and only for use with engines listed in the engine family list. Since there may be significant variations from application to application, Clariant Corporation must review actual operating conditions (duty cycle, baseline emissions, exhaust gas temperature profiles, and engine backpressure) prior to retrofitting an engine with a Clariant Corporation EnviCat®-DPF to ensure compatibility.


Engines must meet the following operating criteria:

Parameter Value
Application Stationary Prime and Emergency Standby Power Generation and Stationary Prime and Emergency Standby Pumping
Engine Type Diesel, with or without turbocharger, without Exhaust-Gas Recirculation (EGR), mechanically or electronically controlled, certified off-road engines meeting 0.2 g/bhp-hr diesel PM or less bassed on certification or in-use emissions testing.
Minimum Exhaust Temperature for Filter Regeneration The engine must operate at the load level required to achieve 400 degrees Celsius (ºC) for a minimum of 30 minutes.  Operation at lower temperatures is allowed, but only for a limited duration, as specified below. 
Maximum Consecutive Minutes Operating Below Passive Regeneration Temperature 300 Minutes
Number of Cold Start and 30 Minute Idle Sessions before Regeneration Required 10
Number of Hours of Operation Before Cleaning of Filter Required 2,000 when using diesel with <15 ppm sulfur.
Fuel California diesel fuel with less than or equal to 15 ppm sulfur or a biodiesel blend provided that the biodiesel portion of the blend complies with ASTM D6751, the diesel portion of the blend complies with Title 13 (CCR), sections 2281 and 2282 and the blend contains no more than 20 percent biodiesel by volume.
PM Verification Level Level 3 Plus Verification: At least 85% reduction of PM and meets January 2009 NO2 limit.

 


CleanAir Systems

Caterpillar purchased CleanAIR Systems, Inc. and took ownership of the PERMITTM DPF verification.  The product name has been changed to “Caterpillar DPF for Stationary”.  Please see Caterpillar Emissions Solutions, Inc. for the current Executive Order. 

The ARB has extended the verification for the CleanAir Systems diesel particulate filter (DPF), PERMIT™, for use on stationary emergency generators to include stationary prime generators and certified engines equal to or less than 0.2 g/bhp-hr PM. On October 7, 2008, ARB verified that this system complies with the January 1, 2009 NO2 limit; the system is therefore verified as a Level 3 Plus diesel emission control device.  For complete information please view the Executive Orders and engine family list below. 

Engines must meet the following operating criteria:

Parameter Value
Application Stationary Prime and Emergency Standby Power Generation
Engine Type Diesel, with or without turbocharger, without Exhaust-Gas Recirculation (EGR), mechanically or electronically controlled, certified Tier 1, Tier 2, or Tier 3 off-road engines that have particulate matter (PM) emissions of less than or equal to 0.2 g/bhp-hr
Maximum Consecutive Minutes at Idle 240 Minutes
Number of 10-Minute Idle Sessions Before Regeneration is Required Regeneration recommended after 12 consecutive sessions; required after 24
Minimum Temperature / Load / Time Requirements for Regeneration in 4-Stroke Engine 300° Celsius for 30% of operating time or 2 hours, whichever is longer.  For most engines, 40% load results in temperature of at least 300° Celsius.  For 2010 Caterpillar engines listed in Attachment 1 (engine family list), the engine operating parameters (minimum load and exhaust temperature) must be met for 30% of operating time or 2 hours, whichever is longer.
Number of Hours of Operation Before Cleaning / Disposal of Filter 5000 hours under normal operating conditions
Fuel California diesel fuel with less than or equal to 15 ppm sulfur or a biodiesel blend provided that the biodiesel portion of the blend complies with ASTM D6751 (15 ppm sulfur), the diesel portion of the blend complies with title 13, California Code of Regulations (CCR), sections 2281 and 2282, and the blend contains no more than 20% biodiesel by volume
PM Verification Level Level 3 Plus Verification:
  • PM - at least 85% reduction
  • NO2 - meets January 2009 limit



DCL International

The ARB has verified the DCL DCL International Inc. MINE-X SOOTFILTER® diesel particulate filter (DPF) reduces emissions of diesel particulate matter (PM) by 85 percent or greater for use on stationary prime and emergency standby generators, pumps, and compressors. The MINE-X SOOTFILTER® also meets the January 2009 NO2 limit and is therefore verified as a Level 3 Plus diesel emission control device when used on diesel engines certified to Tier 1, Tier 2, Tier 3, Tier 4i with a rated horse power between 50 and 75 or over 750, or Tier 4 Alt 20% NOx and PM with a PM emission rate of 0.15 g/bhp-hr or less, subject to the terms and conditions specified below with engines listed in the engine family list.  For complete information please view the verification letter, Executive Order, and engine family list

Engines must meet the following operating criteria:

Parameter Value
Application Stationary Prime and Emergency Standby Power Generation , Pumps and Compressors 
Engine Type Diesel, with or without turbocharger, without Exhaust-Gas Recirculation (EGR), mechanically or electronically controlled, Tier 1, Tier 2, Tier 3, Tier 4i with a rated horse power between 50 and 75 or over 750, or Tier 4 Alt 20% NOx and PM off-road engines certified to a particulate matter (PM) emission limit of less than or equal to 0.15 g/bhp-hr.
Minimum Exhaust Temperature for Filter Regeneration The engine must operate at the load level required to achieve 350°C for a minimum of 30% of the engine's operating time. Operation at a lower temperature is allowed, but only for a limited duration. 
Maximum Consecutive Minutes Operating Below Passive Regeneration Temperature 240 minutes
Number of Consecutive Cold Starts and 15 Minute Idle Sessions Before Regeneration Required 16
Number of Hours of Operation Before Cleaning of Filter Required 1,000 when using Ultra Low Sulfur Diesel (<15 ppm Sulfur)
Fuel California diesel fuel with less than or equal to 15 ppm sulfur or a biodiesel blend provided that the biodiesel portion of the blend complies with International ASTM D6751 (15 ppm sulfur), the diesel portion of the blend complies with title 13, CCR, sections 2281 and 2282, and the blend contains no more than 20 percent biodiesel by volume.
PM Verification Level Level 3 Plus Verification:
  • PM - at least 85% reduction
  • NO2 - meets January 2009 limit



Global Emissions Systems

The ARB has verified the Global Emissions Systems, Inc. (GESi) 6000DPF Diesel Particulate Filter (DPF) System as a Level 3 Plus device for Tier 1, Tier 2, or Tier 3 certified off-road engines used in stationary prime and emergency standby generators and pumps.  The GESi 6000DPF System reduces diesel particulate matter by 85 percent or greater and does not increase nitrogen dioxide (NO2) emissions beyond the 2009 limit of 20 percent of the baseline oxides of nitrogen (NOX) emissions.  This verification is subject to the terms and conditions specified below and only for use with engines listed in the engine family list (Attachment 1).  Since there may be significant variations from application to application, GESi must review actual operating conditions (duty cycle, baseline emissions, exhaust temperature profiles, and engine backpressure) prior to retrofitting an engine with a 6000DPF System to ensure compatibility.

Engines must meet the following operating criteria:
Parameter Value
Application Stationary Prime and Emergency Standby Power Generation and Stationary Prime and Emergency Standby Pumping
Engine Type Diesel, with or without turbocharger, without Exhaust-Gas Recirculation (EGR), mechanically or electronically controlled, certified off-road engines meeting 0.2 g/bhp-hr diesel PM or less based on certification or in-use emission testing.
Minimum Exhaust Temperature for Filter Regeneration The engine must operate at the load level required to achieve 400 degrees Celsius (ºC) for a minimum of 30 minutes.  Operation at lower temperatures is allowed, but only for a limited duration, as specified below.
Maximum Consecutive Minutes Operating Below Passive Regeneration Temperature 300 Minutes
Number of Cold Start and 30 Minute Idle Sessions before Regeneration Required 10
Number of Hours of Operation Before Cleaning of Filter Required 2,000 when using diesel with <15 ppm sulfur.
Fuel California diesel fuel with less than or equal to 15 ppm sulfur or a biodiesel blend provided that the biodiesel portion of the blend complies with ASTM International D6751 (15 ppm sulfur), the diesel portion of the blend complies with CCR, title 13, sections 2281 and 2282 and the blend contains no more than 20 percent biodiesel by volume.
PM Verification Level Level 3 Plus Verification:
  • PM - at least 85% reduction
  • NO2 - meets January 2009 limit


GTE Industries

The ARB has verified GTE Industries Purity diesel particulate filter (DPF) System as a Level 3 Plus device for Tier 1, Tier 2, or Tier 3 certified off-road engines used in stationary prime and emergency standby generators and pumps.  The GTE Industries Purity DPF System reduces diesel particulate matter by 85 percent or greater and does not increase nitrogen dioxide (NO2) emissions beyond the 2009 limit of 20 percent of the baseline oxides of nitrogen (NOX) emissions.  This verification is subject to the terms and conditions specified below and only for use with engines listed in the engine family list.  Since there may be significant variations from application to application, GTE Industries must review actual operating conditions (duty cycle, baseline emissions, exhaust temperature profiles, and engine backpressure) prior to retrofitting an engine with a Purity DPF System to ensure compatibility.

Engines must meet the following operating criteria:
Parameter Value
Application Stationary Prime and Emergency Standby Power Generation and Stationary Prime and Emergency Standby Pumping
Engine Type Diesel, with or without turbocharger, without Exhaust-Gas Recirculation (EGR), mechanically or electronically controlled, certified off-road engines meeting 0.2 g/bhp-hr diesel PM or less based on certification or in-use emission testing.
Minimum Exhaust Temperature for Filter Regeneration The engine must operate at the load level required to achieve 400 degrees Celsius (ºC) for a minimum of 30 minutes.  Operation at lower temperatures is allowed, but only for a limited duration, as specified below.
Maximum Consecutive Minutes Operating Below Passive Regeneration Temperature 300 Minutes
Number of Cold Start and 30 Minute Idle Sessions before Regeneration Required 10
Number of Hours of Operation Before Cleaning of Filter Required 2,000 when using diesel with <15 ppm sulfur.
Fuel California diesel fuel with less than or equal to 15 ppm sulfur or a biodiesel blend provided that the biodiesel portion of the blend complies with ASTM International D6751 (15 ppm sulfur), the diesel portion of the blend complies with CCR, title 13, sections 2281 and 2282 and the blend contains no more than 20 percent biodiesel by volume.
PM Verification Level Level 3 Plus Verification:
  • PM - at least 85% reduction
  • NO2 - meets January 2009 limit



Johnson Matthey

The ARB has extended the verification for the Johnson Matthey CRT+ diesel particulate filter (DPF)for use on stationary emergency/standby generators to include stationary prime generators.  The Johnson Matthey CRT+ diesel particulate filter (DPF) reduces emissions of diesel particulate matter (PM) by 85 percent or greater and does not increase nitrogen dioxide (NO2) emissions beyond the 2009 limit of 20 percent of the baseline oxides of nitrogen (NOX) emissions for use on stationary emergency/standby (E/S) and prime generators powered by Tier 1, Tier 2, or Tier 3 certified off-road engines meeting 0.2 grams per brake horse power hour (g/bhp-hr) diesel PM or less based on certification or in-use emissions testing.  The CRT+ DPF is subject to the terms and conditions specified below with engines listed in the engine family list.  For complete information please view the verification letter and engine family list.  Since there may be significant variations from application to application, Johnson Matthey Inc. must review actual operating conditions (duty cycle, baseline emissions, exhaust temperature profiles, and engine backpressure) prior to retrofitting an engine with an CRT+ DPF to ensure compatibility.

Engines must meet the following operating criteria:

Parameter Value
Application Stationary Emergency Standby and Prime Power Generation
Engine Type Diesel, with or without turbocharger, without exhaust gas recirculation (EGR), mechanically or electronically controlled, Tier 1, Tier 2, or Tier 3 certified off-road engines meeting 0.2 g/bhp-hr diesel PM or less based on certification or in-use emissions testing.
Minimum Exhaust Temperature for Filter Regeneration The engine must operate at the load level required to achieve 240 degrees Celsius (ºC) for a minimum of 40 percent of the engine’s operating time and an oxides of nitrogen (NOx)/PM ratio of 15 @ >=300ºC and 20 @ <=300ºC.  Operation at lower temperatures is allowed, but only for a limited duration as specified below.
Maximum Consecutive Minutes Operating Below Passive Regeneration Temperature 720 minutes
NOx/PM Ratio Requirements NOx/PM ratio of at least 8 with a preference for 20 or higher.
Number of Consecutive Cold Starts and 30 Minute Idle Sessions before Regeneration Required 24
Number of Months of Operation Before Cleaning of Filter Required Filter cleaning is not required till after 150 half-hour cold starts with associated regenerations or 1000 hours of emergency/standby use or 6 to 12 months of prime operation depending on hours of operation, maintenance practice, and oil used.  The CRTdm, which monitors engine exhaust back pressure and temperature will determine the actual cleaning interval and provide an alert when filter cleaning is required. 
Fuel California diesel fuel with less than or equal to 15 ppm sulfur or a biodiesel blend provided that the biodiesel portion of the blend complies with ASTM D6751, the diesel portion of the blend complies with Title 13 (CCR), sections 2281 and 2282, and the blend contains no more than 20 percent biodiesel by volume.  Other alternative diesel fuels such as, but not limited to, ethanol diesel blends and water emulsified diesel fuel are excluded from this Executive Order. 
Verification Level Level 3 Plus Verification:
  • PM - at least 85% reduction
  • NO2 - meets January 2009 limit


MIRATECH

The ARB has verified the MIRATECH Corporation diesel particulate filter (DPF), CombiKat ® CBS Particulate Trap, for use on stationary emergency and prime generators with a PM emission rate of 0.2 g/bhp-hr or less. The ARB has designated the stationary diesel engine verification of the Miratech Emissions Solutions’ combiKat® CBS Particulate Trap as a Plus system meeting the requirements of section 2702(f) limiting the nitrogen dioxide (NO2) increase to 20% of the baseline nitrogen oxides (NOX). Additionally, ARB hereby conditionally verifies that the combiKat ® CBS Particulate Trap reduces emissions of diesel particulate matter (PM) by 85 percent or greater for use in stationary prime and emergency pumps with a PM emission rate of 0.2 g/bhp-hr or less. The combiKat ® CBS Particulate Trap is therefore verified as a Level 3 diesel emission control device for generators emitting PM at a rate of 0.2 g/bhp-hr or less and conditionally verified as a Level 3 diesel emission control device for pumps with a PM emission rate of 0.2 g/bhp-hr or less when used on diesel engines certified to Tier 1, Tier 2, or Tier 3, subject to the terms and conditions specified below in the engine family list. The combiKat ® CBS Particulate Trap is manufactured by HUG Engineering for the MIRATECH Corporation. For complete information please view the verification letter and engine family list below.

Engines must meet the following operating criteria:

Parameter Value
Application Stationary Prime and Emergency Power Generation or Pumping
Engine Type Diesel, with or without turbocharger, certified to 0.2 g/bhp-hr or less of PM, without Exhaust-Gas Recirculation (EGR).
Minimum Exhaust Temperature for Filter Regeneration The engine must operate at the load level required to achieve sufficient exhaust temperature for regeneration at the rated PM level of the engine, per Figure 1 in the verification letter. Operation at lower temperatures is allowed, but only for a limited duration. Per Figure 1, operate in the "Passive Regeneration Okay" side of the graph for at least 30 Minutes.
Maximum Consecutive Minutes Operating Below Passive Regeneration Temperature 720 Minutes
Number of Cold Start and 30 Minute Idle Sessions before Regeneration Required 24
Number of Hours of Operation Before Cleaning of Filter Required Application Specific. Per calculations provided in the verification letter under 'Filter Sizing'. 2000 Hours Typical.
Fuel California diesel fuel with less than or equal to 15 ppm sulfur or a biodiesel blend provided that the biodiesel portion of the blend complies with ASTM D6751, the diesel portion of the blend complies with Title 13 (CCR), sections 2281 and 2282, and the blend contains no more than 20 percent biodiesel by volume.
PM Verification Level Level 3 Plus Verification:
  • PM - at least 85% reduction
  • NO2 - meets January 2009 limit



MIRATECH GROUP, LLC

The ARB has verified the MIRATECH Group low temperature regeneration diesel oxidation catalyst and particulate filter (DOC/DPF), MIRATECH® LTR™ DOC/DPF, as a Level 3 (reduces emissions of diesel particulate matter (PM) by 85 percent or greater) diesel emission control device for use on diesel engines used in a stationary application associated with emergency standby generators.  The ARB has designated the stationary diesel engine conditional verification of the MIRATECH® LTR™ DOC/DPF as a Plus system meeting the requirements of section 2702(f) limiting the nitrogen dioxide (NO2) increase to 20% of the baseline nitrogen oxides (NOX).  The MIRATECH® LTR™ DOC/DPF is conditionally verified for diesel engines certified to Tier 1, Tier 2, or Tier 3, emitting PM at a rate of 0.22 g/bhp-hr or less, subject to the terms and conditions specified below and in the engine family list.  For complete information please view the verification letter and engine family list below. 

Engines must meet the following operating criteria:

Parameter Value
Application Stationary Emergency Power Generation
Size Range Diesel engines rated greater than or equal to 50 hp
Engine Type Diesel, with or without turbocharger, without EGR, Tier 1, Tier 2, or Tier 3 certified to 0.22 g/bhp-hr or less of PM.
Minimum Exhaust Temperature for Filter Regeneration 260° Celsius / 500° Fahrenheit.  At 550° Fahrenheit, regeneration takes approximately 45 minutes.
Maximum Consecutive Minutes Operating Below Passive Regeneration Temperature 720 Minutes
Number of Cold Start and 40 Minute Idle Sessions before Regeneration Required

18

Number of Hours of Operation Before Cleaning of Filter Required Application Specific. 2000 Hours Typical.
Fuel California diesel fuel with less than or equal to 15 ppm sulfur or a biodiesel blend provided that the biodiesel portion of the blend complies with ASTM D6751, the diesel portion of the blend complies with Title 13 (CCR), sections 2281 and 2282, and the blend contains no more than 20% biodiesel by volume
PM Verification Level Level 3 Plus Verification:
  • PM - at least 85% reduction
  • NO2 - meets January 2009 limit


NETT Technologies

The ARB has verified NETT Technologies Incorporated NETT GreenTRAPTM diesel particulate filter (DPF) System as a Level 3 Plus device for Tier 1, Tier 2, or Tier 3 certified off-road engines used in stationary prime and emergency standby generators and pumps.  The NETT Technologies NETT GreenTRAPTM DPF System reduces diesel particulate matter by 85 percent or greater and does not increase nitrogen dioxide (NO2) emissions beyond the 2009 limit of 20 percent of the baseline oxides of nitrogen (NOX) emissions.  This verification is subject to the terms and conditions specified below and only for use with engines listed in the engine family list.  Since there may be significant variations from application to application, NETT Technologies must review actual operating conditions (duty cycle, baseline emissions, exhaust temperature profiles, and engine backpressure) prior to retrofitting an engine with a NETT GreenTRAPTM DPF System to ensure compatibility.

Engines must meet the following operating criteria:

Parameter Value
Application Stationary Prime and Emergency Standby Power Generation and Stationary Prime and Emergency Standby Pumping
Engine Type Diesel, with or without turbocharger, without Exhaust-Gas Recirculation (EGR), mechanically or electronically controlled, certified off-road engines meeting 0.2 g/bhp-hr diesel PM or less based on certification or in-use emission testing.
Minimum Exhaust Temperature for Filter Regeneration The engine must operate at the load level required to achieve 400 degrees Celsius (ºC) for a minimum of 30 minutes.  Operation at lower temperatures is allowed, but only for a limited duration, as specified below.
Maximum Consecutive Minutes Operating Below Passive Regeneration Temperature 300 Minutes
Number of Cold Start and 30 Minute Idle Sessions before Regeneration Required 10
Number of Hours of Operation Before Cleaning of Filter Required 2,000 when using diesel with <15 ppm sulfur.
Fuel California diesel fuel with less than or equal to 15 ppm sulfur or a biodiesel blend provided that the biodiesel portion of the blend complies with ASTM International D6751 (15 ppm sulfur), the diesel portion of the blend complies with CCR, title 13, sections 2281 and 2282 and the blend contains no more than 20 percent biodiesel by volume.
PM Verification Level Level 3 Plus Verification:
  • PM - at least 85% reduction
  • NO2 - meets January 2009 limit


NETT Technologies

The ARB has verified the Nett Technologies BlueMAX™ NOVA 300e System as a Level 3 (reduces emissions of diesel particulate matter (PM) by 85 percent or greater) Mark 5 (reduces emissions of diesel Nitrogen Oxides (NOx) by 85 percent or greater) diesel emission control device for use on diesel engines used in a stationary application associated with prime generators.  The ARB has designated the stationary diesel engine verification of the BlueMAX™ NOVA 300e as a Plus system meeting the requirements of section 2702(f) limiting the nitrogen dioxide (NO2) increase to 20% of the baseline nitrogen oxides (NOX).  The BlueMAX™ NOVA 300e is verified for diesel engines certified to Tier 1, Tier 2, or Tier 3, emitting PM at a rate of 0.2 g/bhp-hr or less, subject to the terms and conditions specified below and in the engine family list.  For complete information please view the verification letter and engine family list below.

Engines must meet the following operating criteria:

Parameter Value
Application Stationary Prime Power Generation 
Size Range Diesel engines rated greater than or equal to 75 hp
Engine Type Diesel, with or without turbocharger, without EGR, Tier 1, Tier 2, or Tier 3 certified to 0.2 g/bhp-hr or less of PM.
Minimum Exhaust Temperature for Filter Regeneration N/A.  Active regeneration 
Maximum Consecutive Minutes Operating Below Passive Regeneration Temperature N/A
Number of Cold Start and 40 Minute Idle Sessions before Regeneration Required N/A
Number of Hours of Operation Before Cleaning of Filter Required Application Specific.  2000 Hours Typical.
Fuel California diesel fuel with less than or equal to 15 ppm sulfur or a biodiesel blend provided that the biodiesel portion of the blend complies with ASTM D6751, the diesel portion of the blend complies with Title 13 (CCR), sections 2281 and 2282, and the blend contains no more than 20 percent biodiesel by volume
PM Verification Level Level 3 Plus, Mark 5 Verification:
  • PM - at least 85% reduction
  • NO2 - meets January 2009 limit
  • NOx - at least 85% reduction


Rypos

The ARB has verified the Rypos, Inc. HDPF/C™ hybrid diesel particulate filter as a Level 3 Plus diesel emission control device for stationary emergency standby generator and pump applications with a PM emission rate of 0.2 g/bhp-hr or less when used on diesel engines certified to Tier 1, Tier 2, or Tier 3, subject to the terms and conditions specified below with engines listed in the engine family list below. Level 3 Plus verifications means that the system will reduce diesel PM emissions by 85 percent or more and meets the January 2009 NO2 limit. For complete information, please view the verification letter, Executive Order, and engine family list below.

Engines must meet the following operating criteria:

Parameter Value
Applications Stationary Emergency Standby Generators or Pumps
Engine Type Diesel-fueled, with or without turbocharger, certified off-road engine with PM emission levels < 0.2 g/bhp-hr, without Exhaust-Gas Recirculation (EGR).
Engine Models 1996 or newer and listed in the Attachment to the Executive Order
Engine Horsepower > 50 hp
Fuel California diesel fuel with less than or equal to 15 ppm sulfur or a biodiesel blend provided that the biodiesel portion of the blend complies with ASTM D6751, the diesel portion of the blend complies with title 13, CCR, sections 2281 and 2282, and the blend contains no more than 20 percent biodiesel by volume.
Minimum Exhaust Temperature for Filter Regeneration Not Applicable (NA). Active DPF.
Maximum consecutive minutes at idle NA. Active DPF.
Number of Cold Start and 30 Minute Idle Sessions before Regeneration Required NA. Active DPF.
Number of Hours of Operation before Cleaning of Filter Required Inspect every 1,000 hours and clean if needed. Active DPF.
Additional Terms and Conditions See the Executive Order.
Approval Date August 19, 2011
Regeneration System Active
PM Verification Level Level 3 Plus:
  • PM - at least 85% reduction
  • NO2 - meets January 2009 limit



Universal Emissions Technologies

The ARB has verified the Universal Emissions Technologies GreenShield® diesel particulate filter as a Level 3 Plus device for Tier 1, Tier 2, or Tier 3 certified off-road engines used in stationary prime and emergency standby power generators and pumps.  The Universal Emissions Technologies GreenShield® reduces diesel particulate matter by 85 percent or greater and does not increase nitrogen dioxide (NO2) emissions beyond the 2009 limit of 20 percent of the baseline oxides of nitrogen (NOx) emissions.  This verification is subject to the terms and conditions specified below and only for use with engines listed in the engine family list.  Since there may be significant variations from application to application, Universal Emissions Technologies must review actual operating conditions (duty cycle, baseline emissions, exhaust gas temperature profiles, and engine backpressure) prior to retrofitting an engine with a Universal Emissions Technologies GreenShield® to ensure compatibility.

Engines must meet the following operating criteria:
 
Parameter Value
Application Stationary Prime and Emergency Standby Power Generation and Stationary Prime and Emergency Standby Pumping
Engine Type Diesel, with or without turbocharger, without Exhaust-Gas Recirculation (EGR), mechanically or electronically controlled, certified off-road engines meeting 0.2 g/bhp-hr diesel PM or less based on certification or in-use emission testing.
Minimum Exhaust Temperature for Filter Regeneration The engine must operate at the load level required to achieve 400 degrees Celsius (ºC) for a minimum of 30 minutes.  Operation at lower temperatures is allowed, but only for a limited duration, as specified below.
Maximum Consecutive Minutes Operating Below Passive Regeneration Temperature 300 Minutes
Number of Cold Start and 30 Minute Idle Sessions before Regeneration Required 10
Number of Hours of Operation Before Cleaning of Filter Required 2,000 when using diesel with <15 ppm sulfur.
Fuel California diesel fuel with less than or equal to 15 ppm sulfur or a biodiesel blend provided that the biodiesel portion of the blend complies with ASTM International D6751 (15 ppm sulfur), the diesel portion of the blend complies with CCR, title 13, sections 2281 and 2282 and the blend contains no more than 20 percent biodiesel by volume.
PM Verification Level Level 3 Plus Verification:
  • PM - at least 85% reduction
  • NO2 - meets January 2009 limit



Level 2 - 50 Percent or Greater Reduction in Particulate Matter:

Rypos

The ARB has verified Rypos, Inc. Active Diesel Particulate Filter (ADPF) diesel particulate filter for 1996 to 2008 diesel engines certified to Tier 1, 2, or 3 PM emission rate used in stationary emergency standby applications. On December 18, 2008, ARB verified that this system complies with the January 1, 2009 NO2 limit; the system is therefore verified as a Level 2 Plus diesel emission control device. For complete information please view the Executive Order and Engine Family List below.

Engines must meet the following operating criteria:

Parameter Value
Application Emergency Standby Stationary Power Generation
Engine Type Diesel, with or without turbocharger, certified off-road engines meeting 0.4 g/bhp-hr or less based on certification or in-use emissions testing
Minimum Exhaust Temperature for Filter Regeneration NA. Active System
Maximum Consecutive Minutes at Idle NA. Active system.
Number of Cold Start and 30 Minute Idle Sessions Before Regeneration Required NA. Active system.
Number of Hours of Operation Before Cleaning of Filter Required NA. Active system with a flow through mesh filter. Should not require cleaning.
Fuel California diesel fuel with less than or equal to 15 ppm sulfur or a biodiesel blend provided that the biodiesel portion of the blend complies with ASTM D6751, the diesel portion of the blend complies with Title 13 (CCR), sections 2281 and 2282 and the blend contains no more than 20 percent biodiesel by volume.
Verification Level Level 2 Plus Verification: At least 50% reduction of PM and meets January 2009 NO2 limit.

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