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To protect public health and agriculture from the adverse effects of air pollution by identifying air pollution problems and developing a comprehensive program to achieve and maintain state and federal air quality standards.


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California’s Progress Toward Clean Air


The California Air Pollution Control Officers Association (CAPCOA) released its annual report, California’s Progress Toward Clean Air, describing air quality data and program highlights for all 35 local air districts in the state. The report demonstrates a long-term trend in air quality improvement as well as challenges that remain in meeting health-based air quality standards in the future.

Recent Revisions to APCD Rule 74.15.1 Boilers, Steam Generators, and Process Heaters


APCD issues a Compliance Assistance Advisory regarding the June 23, 2015 revisions to APCD Rule 74.15.1 Boilers, Steam Generators and Process Heaters. The revised rule includes a number of changes, including new emission limits and testing requirements for a number of applicable units. The Advisory address a number of those changes.

To view the advisory, please click here.

APCD Inspector Receives Outstanding Inspector Award


Supervising Inspector Eric Wetherbee recently received the California Air Pollution Control Officers Association (CAPCOA) Rodney Swartzendruber Outstanding Inspector Award. This award is given out annually to deserving Inspectors, one each from a large, medium and small air district. For an Inspector, this award is about as good as it gets.


Eric is a hard-working, motivated, thorough person who constantly strives to learn and improve his skills. He accepts new assignments and responsibilities willingly and often volunteers for extra duties. He has shown a positive attitude and a willingness to accept new challenges. With his leadership, positive attitude and work ethic, Eric has repeatedly proven himself to be an asset to the District’s Compliance Division.


Eric became an APCD Inspector in 1995, performing a number of duties including oil field inspections as well as Gasoline Dispensing Facility (GDF) and regular industrial inspections. In 2011, Eric was promoted to the position of Supervising Inspector. In addition to his supervisorial duties, Eric conducts field inspections on a half-time basis, helping with the District’s Inspection work load.


Eric helped to develop a “GDF Tracker” that is used exclusively at the District for tracking upcoming GDF test due dates. Additionally, he coordinated the District’s compliance efforts for implementing PHI and PHII EVR upgrades at facilities with underground tanks as well as the recent above-ground tank SLC and PHI EVR upgrades. Eric co-authored many of the Compliance Division’s GDF policies, including the “main” policy we currently use.


Eric has performed a number of “related duties” at the District over the years, including the duties of “Mutual Settlement Officer.” He is one of two District staff currently performing that function. He has also become the “de facto” purchasing agent for the Compliance Division, arranging for the acquisition of everything from cameras to calibration gases to flame ionization detectors used for oil field inspections.


The “Rodney Swartzendruber Outstanding Inspector Award" was created in honor of an inspector who gave his life in the line of duty. The idea for a yearly award to recognize an outstanding inspector in California arose as the result of a tragedy that occurred on the evening of October 7, 1999, where a San Joaquin Valley Air Pollution Control District inspector was killed while he was on duty. Rodney Swartzendruber was helping CARB with air monitoring near the Westley tire fire in the Central Valley when he was killed in an automobile accident. The award was created by CAPCOA as a way to formally recognize the unsung enforcement “heroes.”


This award recognizes individual inspectors who have performed outstandingly or made significant contributions that have benefited air pollution control efforts in an exemplary way. Such acknowledgment of the best of the enforcement field staff throughout the state is warranted because often times they are put into difficult and dangerous situations and yet are rarely recognized for what they do.


Air Streams



Check out the latest Air Streams video for 2015! See what local businesses, individuals and agencies are doing to clean the air and help the environment. From a Thousand Oaks wastewater treatment plant to an Oxnard electric vehicle charging station; from a solar rooftop in Ventura to an Ojai oil field; from a LEED certified building to a “green” veterinary hospital, find out what’s happening on the clean air front in Ventura County.


California Air Pollution Control Officers Association (CAPCOA) - Explanation & Examples of Uses of PERP


Questions are often raised about what constitutes portable versus stationary operation of equipment. The PERP regulation defines portable operation and stationary sources. There are some specific circumstances where, depending on each situation, the use of PERP-registered units may not be compatible with the objectives of PERP and the District. These determinations are very fact dependent, so we recommend you contact the District with questions about whether your portable equipment operation requires a District permit or can use PERP registration.


The California Air Pollution Control Officers Association (CAPCOA) has prepared a document which addresses these issues: Explanation & Examples of Uses of PERP


Replacing Tier 1 & Tier 2 Ag Engines: Check Before You Buy!


APCD issues a Compliance Assistance Advisory regarding the California Air Resources Board’s Air Toxic Control Measure for Stationary Compression Ignition Engines (ATCM) requirement to replace Tier 1 and Tier 2 diesel Ag engines.

The ATCM prohibits the operation of Tier 1 and Tier 2 agricultural engines after December 31, 2014 for engines rated at 175 BHP or greater and December 31, 2015 for engines rated at 50 to 174 BHP.

Check before you buy! This advisory informs owners or operators of Tier 1 & Tier 2 Ag engines that not all Tier 4 or Interim Tier 4 diesel engines will meet the upcoming ATCM emission standards, and advises them to check before they buy a new engine. The upcoming emission standards are contained in the advisory. Another option is to buy an electric motor instead of a diesel engine.

There will be a limited amount of funding available to qualified applicants to help purchase a new diesel engine, or electric motor.

All Ag engines 50 horsepower and greater, including new replacement engines, are required to be registered with the APCD. For information on the District’s agricultural engine registration program please click here.

For the District's "Engine Location Change Policy Memo" and notification form, click here.


Portable Diesel Engine Fleet Reporting and Emission Requirements – Upcoming Enforcement Action


APCD Issues a Compliance Assistance Advisory directed at owners and operators of portable diesel engines who have not yet complied with the state’s Airborne Toxic Control Measure (ATCM) for Diesel Particulate Matter from Portable Engines reporting requirements, or who have fleets that do not meet the fleet emission requirements. These requirements apply to all portable diesel engines whether they are registered with the Statewide Portable Engine Registration Program (PERP), or operating under an APCD Permit to Operate.


New State Greenhouse Gas Regulations


The California Air Resources Board (ARB) is working on reducing greenhouse gas (GHG) emissions from multiple sectors of California’s economy, as part of the implementation of AB 32, the Global Warming Solutions Act. Several of ARB’s regulations take effect in 2011 and will affect businesses in Ventura County. ARB’s regulations effective this year will apply to operators of larger industrial and commercial refrigeration systems and semiconductor manufacturers. To assist those affected by ARB’s regulations, the APCD has prepared several Compliance Assistance Advisories. Read more...


Air – the search for one clean breath


To view film, click here.


EV Readiness Plan & Charging Station Grants


On January 23, 2014, Ventura County APCD and Plug in Central Coast hosted a public workshop to discuss the recently released EV Readiness Plan and EV Charging Station Maps. This Plan was developed under the California Energy Commission Grant No. ARV-11-002. In addition, this workshop provided information on current grant opportunities to install publicly accessible EV charging stations in the county. The notice for this workshop may be found here.


Presentation on Light-Duty Vehicle Technology


Check out this California Air Resources Board presentation on Light-Duty Vehicle Technology. This presentation was provided to the Air Pollution Control Board, at their September 10, 2013, meeting. It contains interesting projections on the future market share of various low-emission vehicle technologies.


New Advisory for Large Water Heaters and Small Boilers


APCD issues a Compliance Assistance Advisory regarding the January 1, 2014 compliance date for manufacturers, suppliers and installers of large water heaters and small boilers. On September 11, 2012, the Ventura County Air Pollution Control Board amended Rule 74.11.1, Large Water Heaters and Small Boilers. The amended Rule includes a reduction to emission limits from natural gas-fired large water heaters and small boilers. Only those units that meet the new emission limits may be sold, offered for sale or installed in Ventura County.

Manufacturers of water heaters, boilers, steam generators and process heaters are required to have them certified by the Ventura County APCD before they may be sold in Ventura County.

Only those units meeting the emission limits specified in the rule can be sold, offered for sale or installed in Ventura County. Persons selling, offering for sale or installing non-compliant units may be subject to enforcement action by the Ventura County APCD and possible civil penalties.

To view the advisory, please click here.