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.
Second Hand Smoke Facts. 1  While traces of THC will stay in the urine for up to 21 days if you smoke marijuana regularly, typically trace signs of THC will only show up for a day or two if you get second hand smoke from the drug. 2  Being in a small, enclosed area will make marijuana second hand smoke exposure more severe.