Professional Service Agreement with Stantec for Twin Pines Underground Storage Tank (UST) Remediation Project

The County of Riverside is in the late stages of obtaining low threat closure of a previous fuel leak at the facility from a UST in 1999. As a result of these efforts, the site has progressed to the final phase of remediation and regulatory closure. The remaining area of concern has been reduced to an approximately 35-foot by 25-foot area where soil vapor concentrations may not meet the requirements of the California Low Threat Closure Policy LTCP. Following evaluation of available remedial alte...