Read about second hand marijuana drug test positive.

Secondhand smoke is a combination of side stream smoke (the smoke given out after burning tobacco) and the mainstream smoke (the smoke that is exhaled by the smoker). One can get exposed to second hand smoke in cars, homes, workplaces and public places like bars, restaurants, etc. in united states, the main source of passive inhalation is from cigarettes followed by pipes and cigars. The smoke produced by the tobacco products depend upon the amount of tobacco available for burning. A cigar can emit as much smoke similar to that emitted by burning an entire pack of cigarettes. Passive inhalation can be measured by testing indoor for nicotine or any other chemicals present in the smoke. The exposure to smoke can also be determined by measuring the level of cotinine in a person’s blood, urine, hair or saliva.

In United States, urine testing is the most common method employed to identify the use of illegal drugs in the workplace. There was a technical concern rose by those who opposed the practice of drug tests that there is possibility of a person registering a positive result because of passive inhalation. A number of researchers have attempted to understand the relationship between passive inhalation and the production of urinary Cannabinoids. In case of hair follicle drug test, second hand smoke can be detected. When attest comes out positive, the labs take another sample, wash it and then test it. When the labs test for the second time they will test for metabolites and not only for THC. If there are no metabolites in the hair and the wash water comes out to be positive, then they assume that it is a case of false positive.

When you are called in for a drug test, make sure that you avoid all the unnecessary toxins. Test yourselves with the help of state of Hawaii approved drug test kits to ensure that you are clean prior to the screening and pass a drug test. If you register a positive, ask the labs to perform a confirmatory test.