Notice

Air District Board Votes to Delay Water Heater Requirement

The Air District Board approved updates to the zero-NOx water heater rule that delay implementation to January 2028 and allow exemptions for low-income homeowners, properties with electrical limitations and space-constrained homes. View press release(181 Kb PDF, 2 pgs, posted 11/4/2026).

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235 results for '9'

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Regulation 9: Inorganic Gaseous Pollutants

Regulation 9: Inorganic Gaseous Pollutants
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Regulation 9 Rule 9: Nitrogen Oxides And Carbon Monoxide from Stationary Gas Turbines

Regulation 9 Rule 9: Nitrogen Oxides And Carbon Monoxide from Stationary Gas Turbines
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Regulation 9 Rule 2: Hydrogen Sulfide

Regulation 9 Rule 2: Hydrogen Sulfide
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Regulation 9 Rule 1: Sulfur Dioxide

Regulation 9 Rule 1: Sulfur Dioxide
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Regulation 8 Rule 9: Vacuum Producing Systems

Regulation 8 Rule 9: Vacuum Producing Systems
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Regulation 11 Rule 9: Ethylene Oxide Sterilizers

Regulation 11 Rule 9: Ethylene Oxide Sterilizers
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Regulation 9 Rule 14: Petroleum Coke Calcining Operations

Regulation 9 Rule 14: Petroleum Coke Calcining Operations
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Regulation 2 Rule 9: Interchangeable Emission Reduction Credits

Regulation 2 Rule 9: Interchangeable Emission Reduction Credits
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Regulation 9 Rule 12: Nitrogen Oxides From Glass Melting Furnaces

Regulation 9 Rule 12: Nitrogen Oxides From Glass Melting Furnaces
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Regulation 9 Rule 3: Nitrogen Oxides from Heat Transfer Operations

Regulation 9 Rule 3: Nitrogen Oxides from Heat Transfer Operations
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Regulation 9 Rule 5: Hydrogen Sulfide from Geothermal Power Plants

Regulation 9 Rule 5: Hydrogen Sulfide from Geothermal Power Plants
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Regulation 9 Rule 4: Nitrogen Oxides from Natural Gas-Fired Furnaces

Regulation 9 Rule 4: Nitrogen Oxides from Natural Gas-Fired Furnaces
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Air District to host last Diesel Free by '33 webinar on September 9

Air District to host last Diesel Free by '33 webinar on September 9
On September 9, the Air District will be hosting its final webinar in this summer’s Diesel Free by '33 webinar series: Why replacing diesel is a public health priority.
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On September 9, the Air District will be hosting its final webinar in this summer’s Diesel Free by '33 webinar series: Why replacing diesel is a public health priority.
Regulation 9 Rule 6: Nitrogen Oxides Emissions from Natural Gas-Fired Water Heaters

Regulation 9 Rule 6: Nitrogen Oxides Emissions from Natural Gas-Fired Water Heaters
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Regulation 9 Rule 8: Nitrogen Oxides And Carbon Monoxide from Stationary Internal Combustion Engines

Regulation 9 Rule 8: Nitrogen Oxides And Carbon Monoxide from Stationary Internal Combustion Engines
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Regulation 9 Rule 11: Nitrogen Oxides And Carbon Monoxide from Utility Electric Power Generating Boilers

Regulation 9 Rule 11: Nitrogen Oxides And Carbon Monoxide from Utility Electric Power Generating Boilers
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Regulation 9 Rule 13: Nitrogen Oxides, Particulate Matter, and Toxic Air Contaminants from Portland Cement Manufacturing

Regulation 9 Rule 13: Nitrogen Oxides, Particulate Matter, and Toxic Air Contaminants from Portland Cement Manufacturing
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Air District issues Spare the Air Alert for Wednesday

Air District issues Spare the Air Alert for Wednesday
The Air District is issuing a Spare the Air Alert for ozone for Wednesday, September 9.
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The Air District is issuing a Spare the Air Alert for ozone for Wednesday, September 9.
Regulation 9 Rule 10: Nitrogen oxides And Carbon Monoxide From Boilers, Steam Generators And Process Heaters in Petroleum Refineries

Regulation 9 Rule 10: Nitrogen oxides And Carbon Monoxide From Boilers, Steam Generators And Process Heaters in Petroleum Refineries
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Regulation 9, Rule 14

Regulation 9, Rule 14
Jan 29, 2016 ... REGULATION 9 INORGANIC GASEOUS POLLUTANTS RULE 14 PETROLEUM COKE CALCINING OPERATIONS INDEX 9-14-100 GENERAL 9-14-101 Description 9-14-200 DEFINITIONS 9-14-201 Petroleum Coke Calcining Kiln ...
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(95 Kb PDF, 3 pgs)

Jan 29, 2016 ... REGULATION 9 INORGANIC GASEOUS POLLUTANTS RULE 14 PETROLEUM COKE CALCINING OPERATIONS INDEX 9-14-100 GENERAL 9-14-101 Description 9-14-200 DEFINITIONS 9-14-201 Petroleum Coke Calcining Kiln ...

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