RCRA = Resource Conservation and Recovery Act.  - Federal law that regulates hazardous and non-hazardous wastes.

CERCLA = Comprehensive Environmental Response, Compensation, and Liability Act - Commonly known as Superfund.  This is the law which controls the site cleanup process.

FS = Feasiblity Study - The study of alternatives for cleaning up pollutants identified in the Remedial Investigation.

RM = River Mile.  On the Willamette this is the distance up river from the confluence with the Columbia River.

RI = Remedial Investigation - The study of the current state of the Portland Harbor identifying the nature and extent of pollutants as well as physical characteristics of the river and the Ecological and Human Health Risks.

CAG is short for Community Advisory Group, which refers to the Portland Harbor Community Advisory Group.  See the About page.