Black Rock Geosciences (BRG) provides a full range of environmental services, from Phase I Environmental Site Assessments (ESAs) to the investigation and remediation of impacted soil and groundwater. Our mission is to provide high-quality, cost-effective services with professionalism and integrity.Black Rock Geosciences (BRG) has conducted over 900 Phase I and Phase II Environmental Site Assessments (ESAs) for municipal, commercial, residential, and transportation improvement projects. BRG characterizes and mitigates environmental conditions such as leaky Underground Storage Tanks (USTs), vapor intrusion, aerially deposited lead (ADL), pesticide releases, and unpermitted disposal sites pursuant to local, state, and federal guidelines. We offer an experienced, dedicated, and licensed staff that understands the requirements and standards necessary for characterizing and mitigating environmental conditions successfully. Our staff's multi-disciplinary expertise includes geology, hydrogeology, geochemistry, and engineering. We hold professional registrations in Washington, California, and Alaska, including Professional Geologist (PG) and Certified Engineering Geologist (CEG) licenses.