CO DMV - Colorado Department of Motor Vehicle Practice Test
CO DMV DUI & Impaired Driving 3
What is Colorado's per se limit for active THC (tetrahydrocannabinol) in a driver's blood?
Select your answer
A
2 nanograms per milliliter
B
5 nanograms per milliliter
C
10 nanograms per milliliter
D
There is no per se limit — only impairment matters
Hint