Where is Thirdhand Smoke?

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a man swabs a square sample of a car dashboard to test for thirdhand smoke

Can you test for thirdhand smoke?

Tobacco smoke contains thousands of chemicals that break down and interact with the environment. Scientists have developed sensitive tests1 using those chemical markers that can detect thirdhand smoke chemicals in the air, in house dust, on surfaces of indoor environments, and on people. However, these tests are expensive to conduct and few are available outside of university laboratories available at this time.

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