Why did your HP Wi-Fi printer go offline? A: A Hewlett-Packard printer connected to a Wi-Fi network can go offline for many reasons, including interference with the wireless connection to the printer ... Full Answer > Filed Under:
A drug test for marijuana is the analysis of a biological specimen from your body, using urine, blood, hair, sweat or saliva samples to determine how much of the drug is in your system. Testing for marijuana checks for levels of the active ingredient THC, or more commonly for its metabolite THC-COOH.
Casual or First Time Smokers: Urine tests performed on marijuana users 1 to 4 days after smoking are found to return a positive result more often then not. It is possible to receive negative test results at the end of the fourth day or later depending on the aforementioned factors.