The Canadian Paediatric Society also expressed concern that no limits will be put in place to limit the concentration of tetrahydrocannabinol (THC) in cannabis products available to 18 - to 25 - year - olds. (theglobeandmail.com)
This defines «industrial hemp» to meant the planet Cannabis sativa L. and any part of such plant, whether growing or not, with a delta - nine tetrahydrocannabinol concentration of 0.3 percent on a dry weight basis. (votehemp.com)
There are about a dozen varieties of hemp plants that are grown for food, and all of them contain about 0.001 percent Tetrahydrocannabinol, or THC, the main psychoactive ingredient in marijuana. (bonappetit.com)