MONTEREY BAY UNIFIED AIR POLLUTION CONTROL DISTRICT
RULE 500 - DEFINITION
Orchard Heater means any article, machine, equipment, or other contrivance burning any type of fuel, or a solid fuel block composed of petroleum coke burned by an open flame, used or capable of being used for the purpose of this regulation. Orchard heaters shall include heaters used for frost protection orchards, vineyards, truck crops, and field crops. The contrivance commonly known as a wind machine is not included.
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