ENV221H1 Lecture Notes - Lecture 13: Lead Paint, Lead Poisoning, Dental Composite
Document Summary
Approach to chemical management: we assume that the companies are taking responsibilities and that the products we consume are not contaminated. Strong suspicion that they are not innocent. The 12 chemicals for which evidence exist that they are not safe, yet they are still on the market. We will look at two of them today. Sources include: lead paint, gasoline, contaminated soil, drinking water from system with old lead plumbing. Lead poisoning interferes with normal development of the brain. It can be absorbed into your bones -- >concerns for women because it can recirculates into babies bones. Highly toxic element that is found both naturally and as a introduced contaminant in the environment. Coal burning triple the amount than what exist in the atmosphere. Current concern around coal fired power plants being most significant anthropogenic source of atmospheric mercury emissions. Tragedy ofthe commons: some of the people that are most impacted are not responsible of releasing.
