Question: How many mg of thc to test positive?
qaPairs: question: How many ng/mL of thc for urine to typically test positive in the US?
answer: 50
50 ng/mL
question: How many pg/mg of thc to for hair to test positive in the US?
answer: 1?1 pg/mg
question: How many ng/mL of thc for saliva to typically test positive in the US?
answer: 0.5 ng/mL
0.5