basically, this:
Drug Group
Time Range:
Alcohol 24 hours or less
Amphetamines 1 to 5 days
Barbiturates Short-acting: 1 to 5 days
Long-acting (Barbital, Phenobarbital): 1 to 3 weeks
Benzodiazepines Short-term Therapeutic Use: 1 to 5 days
Long-term / Chronic Use: 1 to 3 weeks
Cocaine 1 to 5 days
LSD 1 to 5 days
Marijuana (THC) Casual Use: 1 to 10 days
Long-Term / Chronic Use: 1 to 4 weeks
Note: THC, marijuana's primary active ingredient, is stored by the body in fatty lipid tissue. From there, it is slowly released into the bloodstream for up to several weeks - depending on the amount and frequency of use and the user's level of physical activity. In chronic and physically inactive users, THC may accumulate in fatty tissues faster than it can be eliminated. This accumulation leads to longer detection periods for these individuals. Also, users with a high percentage of body fat in relation to total body mass are prone to longer drug detection periods for marijuana.
MDMA (Ecstasy) 1 to 7 days
Methadone 1 to 7 days
Methamphetamines 1 to 7 days
Opiates 1 to 8 days
PCP (Phencyclidine) Casual Use: 1 to 10 day
s
Long-Term / Chronic Use: 1 to 4 weeks
Note: PCP is stored by the body in fatty lipid tissue. From there, it is slowly released into the bloodstream for up to several weeks - depending on the amount and frequency of use and the user's level of physical activity. In chronic and physically inactive users, PCP may accumulate in fatty tissues faster than it can be eliminated. This accumulation leads to longer detection periods for these individuals. Also, users with a high percentage of body fat in relation to total body mass are prone to longer drug detection periods for PCP