What is the client’s wish list? Least cost, fastest solution for transfer of ownership, retirement of reserves, work around active operations, or some other specific requirement?
Overview of Services
Industrial sites are usually technically challenging sites that have to be cleaned up with services that match the business use or redevelopment plans for the property.
Industrial paint shop in Virginia with BTEX contamination in fine sandy soils. ERFS used four Propagations with eight vertical injection wells to treat BTEX at 5,000 to 10,000 ug/l in groundwater. Benzene remained at < 100 ug/l for two quarters to achieve the cleanup goal. Residual impacts upgradient of treatment area were also found under/around site building. While others excavated the highly-impacted soils, ERFS treated the excavation area using in-situ methods. Closure was achieved with closely-coordinated team work between a local environmental consultant, ERFS and the property owner.
NFA – Redeveloped Former Plastics Plant, Boston, Mass. The former Plastics Plant manufactured various flexible PVC products including windshields for boat and car covers. Fuel oil, gasoline, and several plasticizer additives, including bis-2-ethylhexyl phthalate (DEHP) were stored in underground storage tanks (UST) outside the facility loading bays. LNAPL, consisting of fuel oil and DEHP, was discovered at the site in the late 1980s and various methods to remove it had been attempted over many years. The exact source and volume of the release had never been fully defined. LNAPL levels varied from 1 to 4 feet thick from season to season. After three rounds of oxidizer treatment, LNAPL levels were reduced by more than 70%. Facility closure and decommissioning was started approximately one month after ERFS’ last treatment. Contracted compliance points all met the closure criteria. Property has been redeveloped as professional office condominiums.
New Jersey Industrial Site within the Coastal Plains area with soils consisting of medium to fine sand and silt. Depth to water is approximately 28 ft bgs. Hydraulic conductivity estimated at 10-3 cm/s. ERFS installed 5 Propagations around the former UST beds to treat 7 feet of free product – No. 6 fuel oil. Total BTEX data shown below illustrates the remediation achieved at the site in approximately 9 months.
BTEX Concentration in mg/l: