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Not all air-cleaning devices are appropriate for home use; some are known to be harmful to human and animal health. Ozone generators, which are portable or in-duct air cleaners that intentionally create ozone, can produce levels that are much higher than health-based standards. There are companies that try to sell the idea that breathing ozone is actually healthy, but there are 40 years of scientific studies that show even relatively low concentrations of ozone are harmful to biological tissue in plants and animals, including humans. It is well-documented that ozone can cause respiratory tract irritation and inflammation, serious breathing difficulty including asthma, permanent lung damage, and cardiovascular effects. The American Lung Association has concluded that breathing even low levels of ozone increases the risk of premature death.

In 2008, CARB enacted an air cleaner regulation to limit the ozone emissions from indoor air cleaning devices. The regulation requires all indoor air cleaners sold in California to be certified by CARB, including air cleaners sold online. Approved air cleaners are listed at California Certified Air Cleaning Devices, which is regularly updated. Approved air cleaners must also show a label on the packaging similar to the sample label shown below. Even though fully-integrated in-duct air cleaning devices are currently exempted from the regulation, some in-duct devices may create ozone at unhealthy levels. CARB is amending the air cleaner regulation to include in-duct devices in the future. For more information on the regulation, please read the Frequently Asked Questions.

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In addition to CARB certification, there are other factors to consider in selecting a suitable air cleaner. It's important to choose an air cleaner with a Clean Air Delivery Rate (CADR) that matches the size of the space you want to clean. So, check both the certified list and the information in the sections below to make the best choice for your needs.

If you need further assistance after reviewing these links, contact us at (916) 445-0753. If you are interested in upcoming activities related to the regulation, subscribe to the Air Cleaner Regulation Topic or contact us at aircleaners@arb.ca.gov.

Cleaning actions are registered to run after the cleaner is notified that the object has become phantom reachable. The cleaner uses PhantomReference and ReferenceQueue to be notified when the reachability changes.

Each cleaner operates independently, managing the pending cleaning actions and handling threading and termination when the cleaner is no longer in use. Registering an object reference and corresponding cleaning action returns a Cleanable. The most efficient use is to explicitly invoke the clean method when the object is closed or no longer needed. The cleaning action is a Runnable to be invoked at most once when the object has become phantom reachable unless it has already been explicitly cleaned. Note that the cleaning action must not refer to the object being registered. If so, the object will not become phantom reachable and the cleaning action will not be invoked automatically.

The execution of the cleaning action is performed by a thread associated with the cleaner. All exceptions thrown by the cleaning action are ignored. The cleaner and other cleaning actions are not affected by exceptions in a cleaning action. The thread runs until all registered cleaning actions have completed and the cleaner itself is reclaimed by the garbage collector.

If the CleaningExample is used in a try-finally block then the close method calls the cleaning action. If the close method is not called, the cleaning action is called by the Cleaner when the CleaningExample instance has become phantom reachable. public class CleaningExample implements AutoCloseable { // A cleaner, preferably one shared within a library private static final Cleaner cleaner = ; static class State implements Runnable { State(...) { // initialize State needed for cleaning action } public void run() { // cleanup action accessing State, executed at most once } } private final State state; private final Cleaner.Cleanable cleanable; public CleaningExample() { this.state = new State(...); this.cleanable = cleaner.register(this, state); } public void close() { cleanable.clean(); } } The cleaning action could be a lambda but all too easily will capture the object reference, by referring to fields of the object being cleaned, preventing the object from becoming phantom reachable. Using a static nested class, as above, will avoid accidentally retaining the object reference.

Cleaning actions should be prepared to be invoked concurrently with other cleaning actions. Typically the cleaning actions should be very quick to execute and not block. If the cleaning action blocks, it may delay processing other cleaning actions registered to the same cleaner. All cleaning actions registered to a cleaner should be mutually compatible.

The cleaner creates a daemon thread to process the phantom reachable objects and to invoke cleaning actions. The context class loader of the thread is set to the system class loader. The thread has no permissions, enforced only if a SecurityManager is set.

Maintain Sensitive Electronic EquipmentDust, moisture, flux, and other contaminants can all build up in electronic equipment and cause performance to suffer. Build up can lead to overheating and premature failure. CRC QD Electronic Cleaner is perfect for cleaning sensitive electronic components and restoring them to proper performance. It is non-conductive with no chlorinated solvents, giving you peace of mind in your working environment. Well-maintained equipment helps prevent issues like electronic contact failure and unnecessary downtime of electronics.Great for Automotive Electrical Cleaner ApplicationsCars are being produced with more and more electronic components every day. QD Electronic Cleaner is perfect for cleaning the sensitive electronic components in your vehicle. Use it on your connectors, terminals, pins, fuse blocks, modules, wires, and sensors (not including mass air flow sensors) to keep the electronics in your automobile clean and functioning as intended.Compatible with the Most PlasticsCRC QD Electronic Cleaner is safe for delicate plastics and delicate components. This hydrocarbon and alcohol-based, precision cleaner can remove a variety of contaminants from sensitive electronics and their plastic parts. Where CFC cleaners can disintegrate plastics, this contact spray cleans efficiently and safely, maintaining your electronics and preventing failures.A Complete Electric Cleaning - with No Residue Left BehindCRC QD leaves no residue behind on surfaces, which means no wiping down after spraying. A contactless clean is important when it comes to the most sensitive electronic components. This electronic contact cleaner sprays on and dries quickly without build up. CRC QD is also an ideal electronic connector cleaner and works great on other electronics to clean without leaving a mess behind!Easy, Safe, and Effective Electronic CleanerCRC QD Electronic Cleaner is the ideal solution to thoroughly clean electronics and equipment. Simply spray directly onto the dirty surface area and let it dry. CRC QD works quickly without harming equipment. Great for cleaning small sockets or ports that may be impossible to reach with a brush or duster. CRC provides this quick-cleaning, contact-free choice for mechanics and maintenance professionals, delivering effective cleaning with the ease of a simple spray and go solution.CRC QD Electronic Cleaner is the safe and reliable cleaner that will protect your investment and get the job done! When your electronics need cleaning, turn to another trusted, proven solution from CRC.

Cleaner in Cambridge English dictionary means: "a person whose job is to clean houses, offices, public places, etc.:"[1], in Collins dictionary: "A cleaner is someone who is employed to clean the rooms and furniture inside a building."[2] However, a cleaner does not always have to be employed and does not have to perform work for pay an example would be socially and charity cleaning for example free forest cleanup from garbage so the definitions of the cleaner word depend on the author. Word cleaner also means: "substance used for cleaning" e.g. oven cleaner and device used to clean e.g. an air cleaner.[2][3]

Cleaning operatives may specialize in cleaning particular things or places, such as window cleaners.[4] Cleaning operatives often work when the people who otherwise occupy the space are not around. They may clean offices at night or houses during the workday.

The cleaning industry is quite big as different types of cleaning are required for different objects and different properties. For example, cleaning an office space requires the services of a commercial cleaner, whereas cleaning a house requires a residential cleaner or residential cleaning service. Depending on the task, even these categories can be subdivided into, for example, end-of-lease cleaning, carpet cleaning, upholstery cleaning, window cleaning, car cleaning services etc. Cleaners specialize in a specific cleaning sector or even a specific task in a cleaning sector, and one cannot expect a window cleaner to be able or willing to clean a carpet.

Cleaning is sometimes done by convicts for rehabilitation or leniency purposes. Cleaning as a substitute punishment. However, in the other hand in some cases, cleaners are checked against criminal records.[6]

The exposure of a cleaner to hazards depends on the activity performed and the situation for example: allergens, dust, biohazards, fall, possibility of contact with electric shock, slipping on a slippery surface, so safety equipment should be adapted to the situation.

The 2000 film Bread and Roses by British director Ken Loach depicted the struggle of cleaners in Los Angeles, California, for better pay and working conditions and for the right to join a union. In an interview with the BBC in 2001, Loach stated that thousands of cleaners from around 30 countries have since contacted him with tales similar to the one told in the film. 17dc91bb1f