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With underground storage tank upgrade regulations forcing many property owners to remove or replace their storage tanks, many of those tanks were found to be leaking into soil and groundwater. In response to these leaks, many property owners found themselves in the position of managing an underground cleanup - working outside their field of experience where mistakes could be expensive and time consuming. Since our inception, HSA has specialized in the installation, removal, and assessment of petroleum storage systems. HSA’s petroleum experience has involved every facet of activity, yielding true turnkey experience. This has included, but not been limited to, storage tank/generator installation and removal, source removal, site assessment, remedial design, and active remediation employing a broad array of techniques and technologies. It has also included the use of passive remediation techniques and preparation of site closure plans. As a result, HSA is well suited to address a wide range of sites spanning from simple single tank releases contained on the owner’s property, to very large bulk terminals with complex above and below ground piping systems and contamination that extends well off site jeopardizing multiple, sensitive receptors.

• Certified Pollutant Storage Systems Contractor
• Aboveground/Underground Storage Tank Maintenance
• Aboveground/Underground Storage Tank Installations/Closures
• Upgrade Alternative Evaluation/Cost Analysis
• Emergency Generator Systems
• Engineering and Design
• Site Assessment
• Environmental Sampling and Monitoring
• Remedial Investigation/Feasibility Studies (RI/FS)
• Risk-based Cleanup Criteria Determination
• Regulatory Interface/Negotiation
• Remedial System Design and Construction