广东连南大麦山铜矿有一批1958年至1963年曾在砷矿炼过砷的工人,当时矿上虽发给他们工作服和防毒面具,但大多数人嫌戴面具闷热,没有坚持戴。天热时,个别人甚至连工作服也不穿。当时有些人皮肤出现色素沉着斑,尚未发现明显的病变。 从七十年代初起,这批工人陆续发病。13人中12人 There are a group of workers who drank arsenic in arsenic mines from 1958 to 1963 at the Damaishan Copper Mine in Guangdong Province. Although the mines distributed them with overalls and gas masks at the time, most of them dreamed of wearing masks and did not insist on wearing them. When it’s hot, some people do not even wear overalls. At that time, some people had pigmented skin and no obvious disease was found. From the early 1970s, these workers gradually onset. 12 of 13 people