> Turns out they are talking parts per BILLION, not ppm. Some common substances are lethal at levels of parts per billion, such as botulinum (botulism) 270 ppb tetanospasmin (tetanus) 75 ppb On the other hand, glyphosate is only about 3 times as toxic as pure alcohol. Ethanol LD50 = 918 grams Glyphosate 340 grams and is less toxic than table salt, or bleach Sodium Chloride 258 g Sodium Hypochlorite 136 g PLB *********************************************** The BEE-L mailing list is powered by L-Soft's renowned LISTSERV(R) list management software. For more information, go to: http://www.lsoft.com/LISTSERV-powered.html