Grants private citizens broad authorization to commence civil judicial actions under certain titles of the environmental conservation law

Enacts "private environmental law enforcement act"; authorizes any private citizen who has an interest which is or may be adversely affected to commence civil judicial actions for injunctive or declaratory relief to remedy environmental harms under certain circumstances; provides that such action may be commenced against any person for any violation of an administrative or court order compelling an investigation or remediation of an inactive hazardous waste disposal site.