| Abstract |
The 42-acre Sherwood Medical Industries (SMI) site is an active medical supply manufacturing facility just outside the city limits of Deland, Volusia County, Florida. Land use in the area is commercial and residential. From 1971 to 1980, SMI disposed of approximately 2 tons of liquid and sludge waste into two unlined percolation ponds onsite. At that time, solids were removed from the ponds and placed into onsite, unlined impoundments. From 1980 to 1982, SMI analyzed the contents of the impoundments and disposed of the wastes in an offsite landfill. In 1987, the State requested that SMI perform additional investigations to determine the nature and extent of ground water contamination, and to evaluate the need to implement interim remedial measures. Based on the observed onsite contamination of the Floridan Aquifer, the State required SMI to conduct extensive ground water testing and monitoring, and to provide bottled water to an affected residence. In 1990, the State approved SMI's design work plan, which outlined further interim measures to be conducted at the site including installation of a ground water pump and treat system. The Record of Decision (ROD) addresses an interim remedy for the surficial aquifer to prevent the contaminant plume from spreading offsite and migrating vertically into the Floridan aquifer. The primary contaminants of concern affecting the ground water are VOCs including PCE and TCE. The selected remedial action for the interim remedy includes installing a system of recovery wells in the onsite surficial aquifer; and pumping and treatment of contaminated ground water using air stripping, followed by onsite discharge of the treated water to Lake Miller. |
