Many ingredients were "extremely toxic," including benzene, a known human carcinogen, and lead.
Reports in the US have found hundreds of chemicals in use, some of them potentially toxic, including methanol, naphthalene, benzene and lead.
Sulfur dioxide produces sulfuric acid, which destroys the ozone layer of the atmosphere; there are similar compounds that might work while proving less environmentally toxic — including synthetic particles that could be created specifically for this purpose.
Unfortunately, in small doses they can cause mild to moderate vomiting, abdominal pain and diarrhea, and in large doses can be toxic (including for pets).
Both house plants and plants in your yard or garden can be toxic, including rhododendrons, chrysanthemum, and oleander.
The list of air toxics includes volatile organic compounds (VOCs), metals in particulate matter (PM), and semi-volatile organic compounds with significant differences in chemical and physical characteristics.
UNEP [ 160] has produced a report on global trends in persistent toxics, including PCDD/Fs.
The Clean Air Act Amendments of 1990 list 189 air toxics, including many volatile organics, metals, and pesticides.
Other precursors for these three toxics include alkenes (for formaldehyde, acetaldehyde, and acrolein), methane and isoprene (for formaldehyde), and alkanes and terpenes (for acetaldehyde).
Other toxics included in the global totals were asbestos, lead, arsenic in drinking water (but only in Bangladesh), and a few other chemicals, including some typically encountered in occupational settings.
