Tri-state mining district chat mining waste
This fact sheet serves as guidance for chat washers, vendors who use chat (chat use), and for anyone selling chat. This guidance provides recommendations on the use of chat that EPA believes will generally be protective. If used properly, the environment and human health can be protected. However, improper use of chat may increase the threat to human health and the environment. Therefore, EPA recommends that chat be treated in accordance with the national rule and generally, with this fact sheet. To ensure that human health and the environment will be protected, EPA believes that the ultimate use of the material generally should not allow people, and in particular young children, to come into direct contact with any raw chat.