Environmental: Underground Storage Tanks

Ninyo & Moore has substantial experience performing Underground Storage Tank (UST) services including tank removal, site characterization, remediation, and site closure. UST removal services typically include obtaining local permits; local agency notification; tank excavation, triple rinsing, degassing and certification; and removal, manifesting, and disposal of tank and tank rinsate.

Ninyo & Moore’s team members have performed hundreds of site assessments which have identified or been associated with former or existing UST sites. These assessments often involve preliminary environmental site assessments/background reviews; work plan preparation; Health and Safety Plan preparation; soil and groundwater investigations potentially consisting of soil gas surveys, geophysical investigations, manual drilling and soil and groundwater sampling, trench excavating, air monitoring, analytical testing, well permitting/installing/developing/sampling, and hydrogeologic evaluations; and risk-based corrective action/feasibility studies. Ninyo & Moore also provides engineering services during construction, post-construction monitoring, technical support at public and agency meetings, and assistance with environmental permit applications.

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