Average THC Content in Seized
Thai Stick Samples (1972 - 2004)


Number of Samples and Average THC Content of Seized Thai Stick
Year Samples Avg THC %
1972 -- --
1973 -- --
1974 1 0.54
1975 -- --
1976 -- --
1977 1 4.91
1978 1 0.82
1979 1 0.13
1980 1 0.05
1981 -- --
1982 8 4.60
1983 7 4.17
1984 3 5.71
1985 1 6.26
1986 6 3.73
1987 3 4.45
1988 2 3.37
1989 -- --
1990 1 0.12
1991 -- --
1992 -- --
1993 -- --
1994 -- --
1995 2 4.52
1996 -- --
1997 -- --
1998 -- --
1999 -- --
2000 1 3.27
2001 -- --
2002 -- --
2003 -- --
2004 -- --

2004 data includes samples tested through Nov 8, 2004
Source: University of Mississippi, Marijuana Potency Monitoring Project*

* The Marijuana Potency Monitoring project is sponsored by the US National Institute on Drug Abuse. The sources of the numbers quoted here are as follows:
  1. ElSohly, M.A., et al "The Potency of Confiscated Marijuana, Hashish, and Hash Oil Over a Ten-Year Period," Journal of Forensic Sciences, Volume 29, No. 2, April 1984, pp. 500-514

  2. ElSohly M.A., et al "Potency Trends of delta-9 THC and Other Cannabinoids in Confiscated Marijuana from 1980-1997, Journal of Forensic Sciences, Volume 45, No. 1, 2000, pp. 24-30

  3. ElSohly M.A. National Center for Natural Products Research, School of Pharmacy, University of Mississippi, Quarterly Report, Potency Monitoring Project, Report #87, Aug 9, 2004 - Nov 8, 2004


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THC Content Overview Hash Oil Sinsemilla
Hashish Marijuana Ditchweed


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