In June 2014, news broke that more than 300 children’s blood lead levels exceeded the standard in a town in Hunan. At that time, people suspected that a nearby chemical factory producing electric zinc was responsible for the disaster. However, the mayor came forward and responded: There may be many causes of lead poisoning, and biting a pencil can also bite out lead exceeding the standard! Chemical plants meet the pollution discharge standards! The result of the investigation is that excessive heavy metals discharged from chemical plants have caused serious lead dust pollution and water pollution in the area, which is directly related to the high blood lead level of a large number of children. However, does the use of Read More …