Deposition of cannabinoids in hair after long-term use of cannabis
Deposition of cannabinoids in hair after long-term use of cannabis.

Cannabinoid concentrations in hair from documented cannabis users.
Cannabinoid concentrations in hair from documented cannabis users.

Differentiation between drug use and environmental contamination when testing for drugs in hair
http://marijuana.researchtoday.net/a.../4/11/1485.htm

Evaluation of the IDS One-Stepā?¢ ELISA kits for the detection of illicit drugs in hair
ScienceDirect - Forensic Science International : Evaluation of the IDS One-Step™ ELISA kits for the detection of illicit drugs in hair


Hope there's something in there that helps!

-Granny:hippy:
Storm Crow Reviewed by Storm Crow on . I am freaking out... hair test! Well I get randomly tested by my school and last year they did urine tests. Well I recently found out that my school is switching to hair tests this year. The last time I smoked was last monday night. I have been smoking on and off all summer depending on when i was in town. When I was in town I would smoke about maybe 3 nights in a row and then stop for a week or two. I never smoked much, maybe 3 bowls that were pretty small, so probably 1/4 gram per night. I HAVE to pass this test if I dont Rating: 5