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Please do let us know what you think of this new feature on our social channels. The third collection of Elite Customs cars is here! Take your garage to a brand new level by revamping your car collection with an upgraded take on customization and performance. This brand new collection is focused on cars that have the potential to become the best in their tiers.

Collect each car in the series and complete all Elite Customs milestones for each car to be awarded the Chevrolet Corvette Stingray Convertible.

The Apex Car is categorized as the most favourable car to use in the Showdown events and is likely to give you the best outcome. The first event gets you up to speed by getting you behind the wheels of a range of brand new hypercars and some from the past. Thanks for racing with us for seasons! As a celebration, we wanted to do something special for the community!

Thanks for racing with us! Posts Likes Archive. Halloween Event Currency Hey Racers! If you want to find out more about the new currency and what it can do, then we have pulled together some hints and tips for you below: What are Ghost Credits? A brand new in-game currency that will be available to earn for the duration of the Halloween event.

What are the benefits of Ghost Credits? You can now have the flexibility to choose the rewards you like in the Event Shop. What is the Event Shop and where can I find it? The Event Shop is accessed via the Event Hub. The Event Shop is where you can view and exchange exclusive items with the available Ghost Credits you have. How and where can I get Ghost Credits? You can earn the Ghost Credits by participating in the Halloween event.

The further you progress, the more Ghost Credits you earn! You can also top up by purchasing Ghost Credits in the normal Shop. There will be 6 packs available. Can I purchase Ghost Credits? What can I buy with Ghost Credits? They are bundled into 5 offers in the Event Shop. How many times can I purchase a bundle with Ghost Credits?

There are five offers available. Each offer has a purchase limit of 1. Where can I check the balance of my Ghost Credits? You can check your Ghost Credits balance in the Event Hub. It will be visible on the left panel. The balance will also be displayed when you are in the Event Shop on the top right corner where balances are typically displayed.

How long do I have to use my Ghost Credits? After that, your Ghost Credits will no longer be available. What happens to my Ghost Credits after the event, do they expire? Ghost Credits will disappear forever after the expiry date. Therefore we encourage you to use them up during the event!

Can Ghost Credits be used in other events? No, Ghost Credits cannot be used or obtained in other events. Will this type of Event Currency be available in future events?

This new in-game currency will be used for future events but in different forms and bound by different rules If you have any feedback or would like to see any new features introduced to the game join the CSR2 discussion on Facebook , Twitter , Instagram , and YouTube to let us know what you think! An update filled with some incredible new events and awesome cars. Game improvements and changes We are making updates to stop crashing, freezing, and permanent loading.

Emojis New Feature We are starting to introduce emojis into your Showdown races, to give you the chance to truly express how you feel about you and your opponents performance.

Customise and increase the potential of your cars to create unstoppable speed beasts that can be utilised in our new events.

Now you can have another shot. Compensation We will be compensating impacted players for the poor experience in 2. We have extended some events Due to the recent issues we have decided to extend some events to give you more time to play through them. Good to know: This progression will apply to future collections. Hypercar Forum The first event gets you up to speed by getting you behind the wheels of a range of brand new hypercars and some from the past.

Season Thanks for racing with us for seasons! To receive the community chosen Lamborghini as a gift, you will need to have achieved K individual RP by 29th April. We believe in you, you got this! Live races: p. Easy-to-read, question-and-answer fact sheets covering a wide range of workplace health and safety topics, from hazards to diseases to ergonomics to workplace promotion.

Download the free OSH Answers app. Search all fact sheets:. LD stands for "Lethal Dose". The LD 50 is one way to measure the short-term poisoning potential acute toxicity of a material. Toxicologists can use many kinds of animals but most often testing is done with rats and mice. It is usually expressed as the amount of chemical administered e. The LD 50 can be found for any route of entry or administration but dermal applied to the skin and oral given by mouth administration methods are the most common.

LC stands for "Lethal Concentration". LC values usually refer to the concentration of a chemical in air but in environmental studies it can also mean the concentration of a chemical in water. According to the Organisation for Economic Cooperation and Development OECD Guidelines for the Testing of Chemicals, a traditional experiment involves groups of animals exposed to a concentration or series of concentrations for a set period of time usually 4 hours. The animals are clinically observed for up to 14 days.

Other durations of exposure versus the traditional 4 hours may apply depending on specific laws. Chemicals can have a wide range of effects on our health. Depending on how the chemical will be used, many kinds of toxicity tests may be required. Since different chemicals cause different toxic effects, comparing the toxicity of one with another is hard.

We could measure the amount of a chemical that causes kidney damage, for example, but not all chemicals will damage the kidney. We could say that nerve damage is observed when 10 grams of chemical A is administered, and kidney damage is observed when 10 grams of chemical B is administered. However, this information does not tell us if A or B is more toxic because we do not know which damage is more critical or harmful. Therefore, to compare the toxic potency or intensity of different chemicals, researchers must measure the same effect.

One way is to carry out lethality testing the LD 50 tests by measuring how much of a chemical is required to cause death. This type of test is also referred to as a "quantal" test because it is measures an effect that "occurs" or "does not occur". In , J. Trevan attempted to find a way to estimate the relative poisoning potency of drugs and medicines used at that time. He developed the LD 50 test because the use of death as a "target" allows for comparisons between chemicals that poison the body in very different ways.

Since Trevan's early work, other scientists have developed different approaches for more direct, faster methods of determining the LD Acute toxicity is the ability of a chemical to cause ill effects relatively soon after one oral administration or a 4-hour exposure to a chemical in air.

In nearly all cases, LD 50 tests are performed using a pure form of the chemical. Mixtures are rarely studied. The chemical may be given to the animals by mouth oral ; by applying on the skin dermal ; by injection at sites such as the blood veins i. Researchers can do the test with any animal species but they use rats or mice most often.

Other species include dogs, hamsters, cats, guinea-pigs, rabbits, and monkeys. In each case, the LD 50 value is expressed as the weight of chemical administered per kilogram body weight of the animal and it states the test animal used and route of exposure or administration; e. If the lethal effects from breathing a compound are to be tested, the chemical usually a gas or vapour is first mixed in a known concentration in a special air chamber where the test animals will be placed.

When an LC 50 value is reported, it should also state the kind of test animal studied and the duration of the exposure, e. Inhalation and skin absorption are the most common routes by which workplace chemicals enter the body. Thus, the most relevant from the occupational exposure viewpoint are the inhalation LC 50 and skin application tests LD 50 -skin.

Despite this fact, the most frequently performed lethality study is the oral LD This difference occurs because giving chemicals to animals by mouth is much easier and less expensive than other techniques.