sector notebook project metal mining iv waste release profile this section provides a general overview of the activities and issues common to industry unlike facilities covered by sic codes 20 through 39 manufacturing extraction beneficiation are not required emergency planning community right know act report toxic inventory tri epa is considering expanding reporting requirements in future including participation previously exempt industries such as because other sources data have been identified for 1994 s osw studied unpermitted releases environmental effects nine states arizona california colorado idaho montana nevada new mexico south carolina dakota researchers examined state records document events various types mines throughout each these generally were authorized under existing permits or regulations therefore should be considered accepted standard typical outputs rather presented below offer picture
