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Marijuana and the fungicide that becomes poisonous when ignited (2015-10-07)

Two Colorado marijuana users have sued a cannabis grower claiming a "patently dangerous" agricultural fungicide that becomes poisonous when ignited was applied without their knowledge to pot plants they later smoked, court documents showed on Monday.

Brandan Flores and Brandie Larrabee allege that distributor and retailer LivWell has for years applied Eagle 20, a fungicide that contains the chemical myclobutanil, to its marijuana crop.
The fungicide is approved for certain edible agricultural crops, but not for smokable products such as tobacco, according to the complaint filed in Denver District Court because if you smoke cannabis that has been sprayed with Eagle 20 you inhale poisonous hydrogen cyanide.

Earlier this year, Denver health regulators withheld some 60,000 of LivWell's plants from sale until the levels of the chemical were tested. The plants were later released for sale after low levels of the chemical were detected, according to the lawsuit, but that did not remove the harm the chemical can cause, the complaint alleged.

From the CDC - US Centers for Disease Control and Prevention
The National Institute for Occupational Safety and Health (NIOSH)
HYDROGEN CYANIDE (AC) : Systemic Agent
Hydrogen cyanide (AC) is a systemic chemical asphyxiant. It interferes with the normal use of oxygen by nearly every organ of the body. Exposure to hydrogen cyanide (AC) can be rapidly fatal. It has whole-body (systemic) effects, particularly affecting those organ systems most sensitive to low oxygen levels: the central nervous system (brain), the cardiovascular system (heart and blood vessels), and the pulmonary system (lungs). Hydrogen cyanide (AC) is a chemical warfare agent (military designation, AC). It is used commercially for fumigation, electroplating, mining, chemical synthesis, and the production of synthetic fibers, plastics, dyes, and pesticides. Hydrogen cyanide (AC) gas has a distinctive bitter almond odor (others describe a musty "old sneakers smell"), but a large proportion of people cannot detect it; the odor does not provide adequate warning of hazardous concentrations. It also has a bitter burning taste and is often used as a solution in water.
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