The Lake Roosevelt Forum recently published the Public Guide of the 2020 Draft Human Health Risk Assessment for the Lake Roosevelt and Upper Columbia River Remedial Investigation and Feasibility Study (UCR RI/FS).
The 2020 Public Guide provides data on the EPA’s draft Human Health Risk Assessment (HHRA). The HHRA investigates the heavy metal toxins of concern, the multiple exposure pathways, and the exposed population. The EPA uses established benchmarks to access the risk to residents and visitors, and implement risk prevention.
The Public Guide also provides details on samplings, cleanups, and other actions conducted by Teck, and overseen by the EPA, during the Lake Roosevelt and Upper Columbia River Remedial Investigation. The results of which were used in the HHRA. The Guide also provides the public with precautionary measures to protect visitors and residents who may be exposed to contaminants of concern.