1 paroxysmal Pertaining to or marked by paroxysm; caused by paroxysms or convulsions of nature. 2  paroxysmal Specifically In geology: Relating to or produced by a violent convulsion of nature.
Inorganic lead compounds are Group 2A - Probably carcinogenic to humans. American Conference for Governmental Industrial Hygienists (ACGIH): A3 - Confirmed animal carcinogen. Teratogenicity / Embryotoxicity: DEVELOPMENTAL HAZARD. May harm the unborn child. Known to cause: learning disabilities, effects on behaviour.
Plants generally do not absorb or accumulate lead in quantities that would be of concern. The greatest danger of lead toxicity from soil is direct consumption of lead-contaminated soil or dust. By following the guidelines in this fact sheet, you can help reduce the risks of lead poisoning from lead contaminated soils.