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.
Toxic Heavy Metals. Batteries are made from a number of different materials. These materials include acid, lead, nickel, lithium, cadmium, alkaline, mercury and nickel metal hydride.When batteries are not properly disposed of the casing can disintegrate and the toxic chemicals within can leach into the surrounding environment.n instances where the battery cannot be recycled, they are disposed of in a way that means the toxic chemicals cannot enter the environment. In some instances this involves encasing the batteries in concrete.