This Frequently Asked Questions FAQ document provides a great intro to Cleaner Burn, including its definition, benefits, options, and use in Napa County.
The Napa Valley Grapegrowers provides excellent information and videos about Cleaner Burn practices. It includes the work of a task force and numerous resource guides
2017 Napa Valley Register article about Napa Valley Grapegrowers Vineyard Burning Task Force and the impact on the environment of different Cleaner Burn approaches and alternatives.
This County of Napa page on burning includes links to Permitting forms and Bay Area Air Quality Management District information on open burning procedures:
Photo courtesy of Napa Valley Grapegrowers