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.
Construction hazardous substances: Lead Lead can be found in construction workplaces. It is commonly used as a specialist material (eg roof flashings) and present in older buildings (eg in paint or pipework). Lead can cause serious health problems such as anaemia or kidney disease and published research has linked exposure to a small number of occupational cancers. This page tells you how to control these risks and why.