Average THC Content in Seized Ditchweed Samples (1980 - 2008)

For whatever reasons, ditchweed seizures have been systematically sampled for THC content since at least 1980. There isn't enough THC in ditchweed to get anybody high. Another name for ditchweed is hemp -- an incredible horn of plenty that has proven its value to mankind over and over again for the past several thousand years.

Number of Samples and Average THC Content of Seized Ditchweed Year Samples Avg THC % 1980 6 0.26 1981 20 0.32 1982 30 0.44 1983 60 0.45 1984 50 0.42 1985 102 0.48 1986 124 0.31 1987 86 0.34 1988 69 0.39 1989 104 0.29 1990 78 0.33 1991 246 0.31 1992 107 0.31 1993 189 0.37 1994 136 0.38 1995 149 0.41 1996 115 0.38 1997 57 0.49 1998 81 0.39 1999 59 0.37 2000 69 0.35 2001 59 0.43 2002 67 0.40 2003 57 0.38 2004 53 0.34 2005 52 0.37 2006 49 0.30 2007 40 0.39 2008 26 0.43

Sources: 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: 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 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 ElSohly, M.A. National Center for Natural Products Research, School of Pharmacy, University of Mississippi, Quarterly Report, Potency Monitoring Project, Report #104, Dec 16, 2008 - Mar 15, 2009 Definition: (from ElSohly, et al) Ditchweed Fiber type cannabis grown wild in the Midwestern region of the USA.

THC Content Overview	Hash Oil	Sinsemilla
Hashish	Marijuana	Thai Stick