WORK PLANS, PERMITS & REQUIREMENTS
Cornerstone prepared work plans, obtained permits, removed overburden from top of tank, performing cleaning and certification, removed UST, performed sampling and met all closure requirements per the permit.
West Covina, CA
SOIL SAMPLING INVESTIGATION
Cornerstone performed soil sampling investigation for DTSC compliance closure reporting.
EMERGENCY RESPONSE TEAM
Performed emergency response to fire debris run off into a protected wetlands basin. Coordinated with all onsite agencies and obtained final closure documentation.
UNDERGROUND STORAGE TANK REMOVAL
Design, permitting and removal of underground storage tank, including all soil sampling, reporting and closure documentation. Cornerstone also provided backfill, compaction report and repaving to complete the project.
Cornerstone performed facility closure operations including hazardous waste disposal, industrial cleaning and equipment decommissioning, equipment removal and final facility repairs.
Pico Rivera, CA