How Zero Tolerance And Per Se DUID Laws Could Affect Medical Marijuana Users
The following chart shows the state limits for THC-COOH in the blood for the four zero-tolerance states and nine per se states. It also displays the typical amount of THC-COOH that will remain in the blood of light to heavy users of marijuana after 20 days without using it.
Source: Law Offices of Daniel R. Rosen.
