But a subsequent ministry study found arsenic levels in the seabed were 100 times higher at the dumping site than in other parts of the bay.
When heated in air, it reacts with oxygen to form arsenic oxide.
Well basically CCA treated timber is treated with copper, chromium and arsenic , which is injected into the wood under pressure.
Harvey's team suggests that organic carbon feeds chemical reactions that liberate arsenic from minerals in the soil.
Apart from any physiological effects on chickens themselves or consumers, feed additives introduce tons of organic arsenic into the environment every year, says Stolz.
But subsequent medical tests cleared him of any acute or chronic arsenic poisoning.
Studies have suggested that arsenic is able to impair DNA repair enzymes and alter the repair of UV-induced DNA damage.
You'd make a good psychologist, executioner, black widow, arsenic poisoner, heretic queen or commentator.
After initial reluctance, the Administration has also implemented Clinton-era proposals to reduce arsenic in drinking water and air pollution from diesel trucks and tractors.
Another case of arsenic poisoning was that of Claire Booth Luce, a United States ambassador to Italy in the years after World War II.