green trees line both banks of the sacramento river. the yellow tower bridge crosses the blue water leading to the tall buildings of the sacrament skyline. the scene is set against a clear blue sky.

CARB Miscellaneous Process Methodologies - Farming Operations

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7.4 Agricultural Land Preparation Operations

April 2016 Methodology Update (2012 Harvested Acreage)

Prior Updates

December 2013 Methodology Update (2005 & 2007 Harvested Acreage)

January 2003 Methodology Update | Summary

August 1997 Methodology | Summary

August 1997 Appendix A, Agricultural Activity Based Temporal Profiles

7.5 Agricultural Harvest Operations

March 2017 Methodology Revision (2012 Harvested Acreage)

Prior Updates

April 2016 Methodology Update (2012 Harvested Acreage)

December 2013 Methodology Update (2005 & 2007 Harvested Acreage)

January 2003 Methodology Update (1993 Harvested Acreage)

August 1997 Methodology

August 1997 Appendix A, Agricultural Activity Based Temporal Profiles

Supporting Documentation for 7.4 and 7.5

2012 California Harvested Crop Acreage

2007 SJV Harvested Crop Acreage

2005 Non-SJV Harvested Crop Acreage

Revised Rice Land Preparation Emission Factor and Temporal Profiles

Crop Profile and Land Preparation PM10 Emission Factor Assignments

Crop Emission Factor Assumptions and PM10 Harvest Emission Factor Table

2012 Revised Almond Harvesting Emission Factor

Crop Calendars

2006 PM2.5 Speciation Profile Update

Detailed Documentation for the SJV 2003 SIP Revision

7.6 Cattle Feedlot Dust/Livestock Wastes

May 2004 Methodology Update (Cattle Only)

February 2020 Methodology Update (Non-Cattle)