Underground tank removal is the process of excavating storage tanks from below the ground surface. This task is comprised of excavation and environmental compliance. Furthermore, hazardous waste is generated and transported to a disposal site. Moreover, soil sampling, compaction and regulatory agency oversight are part of the process to achieve closure. A team of specialized contractors, geologists and engineers are required to achieve closure with each respective oversight agency.
Excavators carefully remove the soil surrounding underground storage tanks, creating a pit in accordance with OSHA standards. Next, (unless the pit includes a ramp) proper lateral support and lagging is applied to the excavated walls. Certified welders or fasting professionals secure all lifting modules to the tank. Furthermore, crane operators are utilized to safely remove the tanks from the subsurface. Each field technician must have all appropriate state, federal and local certifications for health and safety compliance. Lastly, all generated wastes are temporarily stockpiled, until transported to the proper disposal and treatment facility.
The underground tank abandonment process includes the following procedures:
Various regulatory agencies require environmental soil sample analysis directly under USTs. Samples are collected immediately after the tanks are removed. Chemical analytical results are prepared to determine weather a leak has occurred from each tank. Soil and/or groundwater remediation services are also offered by Geo Forward, Inc. if contamination is apparent. Furthermore, contaminated soil can be cleaned-up via impact source removal remediation.
Geo Forward, Inc. is the preferred provider of UST abandonment projects in California.
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