Air District Operations

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Regulation 9 Rule 4: Nitrogen Oxides from Fan Type Residential Central Furnaces - Adopted

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	Rule #	Rule Name	Adopted	Amended	Table Mobile Only Column
	Regulation 9, Rule 4	Nitrogen Oxides from Fan Type Residential Central Furnaces		07/12/1983	Adopted Document: Nitrogen Oxides from Fan Type Residential Central Furnaces (15 Kb PDF, 3 pgs, revised 24/04/2018) Description: This rule limits emissions of nitrogen oxides from natural gas-fired fan type residential central furnaces. Rule #: Regulation 9, Rule 4 Rule Name: Nitrogen Oxides from Fan Type Residential Central Furnaces Adopted: Amended: 07/12/1983 Contact:
	Rule Status Adopted Document Nitrogen Oxides from Fan Type Residential Central Furnaces (15 Kb PDF, 3 pgs, revised 24/04/2018) Contact Description This rule limits emissions of nitrogen oxides from natural gas-fired fan type residential central furnaces.

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Last Updated: 14/06/2022

Air District Operations

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Regulation 9 Rule 4: Nitrogen Oxides from Fan Type Residential Central Furnaces - Adopted

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