Compliance Assistance Bulletins

Engines & Generators

Title / Description	Items
Rule 4702 - Requirements for Spark-Ignited Rich Burn Internal Combustion Engines used in Agricultural Operations Updated 09/27/2023	VIEW
Rule 4702 - Emission Standards for Agricultural Operators Updated 12/06/2022	VIEW
Rule 4702 - Internal Combustion Engines New Requirements Updated 09/13/2021	VIEW
Requirements For Portable Tier 1, Tier 2 And Tier 3 Certified Compression-Ignited (Diesel) Engines Updated 02/06/2019	VIEW
Upcoming Compliance Dates And Requirements For Tier 1 And Tier 2 Certified Compression-Ignited (Diesel) Engines Updated 04/01/2017	VIEW
Rich-Burn, Spark-Ignited Engines used in Agricultural Operations Updated 08/01/2015	VIEW
Non-Certified Lambda Management System Retrofits Updated 01/01/2015	VIEW
Conditionally Certified Lambda Management System Retrofits Updated 01/01/2015	VIEW
Hour Limitations for Internal Combustion Engines at Agricultural Sources Updated 08/01/2014	VIEW
Rule 4702 - Internal Combustion Engines Updated 09/01/2013	VIEW
Rule 4702 – Internal Combustion Engines – Upcoming Requirements for Engines used exclusively in Non-Agricultural Operations Updated 11/01/2011	VIEW
District Rule 4702 – Conditionally Certified Exhaust Control Systems Updated 07/01/2010	VIEW
District Registered Portable Diesel Engines Updated 06/01/2010	VIEW
Rule 4702 - Entering into an Agreement to Electrify for Agricultural Internal Combustion Engines as an Option to Comply with the Requirements of District Rule 4702 Updated 11/01/2008	VIEW
Rule 4702 - Requirements for Spark-IgnitedSpark-Ignited Internal Combustion Engines Used in Agricultural Operations Updated 04/01/2008	VIEW
Important Information About Operation of Emergency Standby Engines During Electrical Power Curtailments Updated 08/01/2007	VIEW
Portable Equipment Updated 04/01/2007	VIEW
Agricultural Internal Combustion Engines Updated 03/01/2007	VIEW