Industrial and manufacturing facility sites are typically located in both rural and urbanized areas and can range in size from small to large property footprints depending upon the industry. Soil, groundwater and vapor phase contamination can be located both on-and off-site. Environmental contamination at these sites often results from improper handling or disposal of hazardous materials and wastes, accidental spills, faulty equipment and or leaking underground storage tanks (USTs). Many industrial and manufacturing sites are impacted by a legacy of poor chemical disposal and handling practices that took place decades ago. Funding available for remediation at industrial/manufacturing sites can come from a number of sources including private companies, developers and investment trusts, as well as federal, state and local government sources.
Resulting Contamination and Environmental Impacts
Most contamination at industrial/manufacturing sites is directly related to chemicals and solvents used in industrial and manufacturing process operations. Chlorinated solvents such as perchloroethylene (PCE) and trichloroethylene (TCE) were historically, and to some extent are still, widely used as cleaning and degreasing agents on a variety of surfaces. Specific variations of these solvents exist including vapor degreasing grades for metal degreasing and technical grades used to manufacture other chemicals. Petroleum hydrocarbons are prevalent at these sites and are used to fuel vehicles, generators and other industrial and manufacturing equipment. Manufacturing sites are also marked by the presence of hexavalent chromium contamination used in certain plating and processing industries. Mixed plumes can be a factor when chlorinated solvents and petroleum hydrocarbons come together in the subsurface.
Industrial/Manufacturing Environmental Solutions
Soil and groundwater remediation solutions at industrial/manufacturing sites may include the following: excavation of the source area, soil mixing, groundwater source area treatment, free-product (DNAPL) removal, dissolved-phase groundwater plume treatment, plume cut-off barriers, mixed-plume treatment and hexavalent chromium metals remediation strategies. These solutions can be achieved using well documented, proven and cost-effective in situ approaches such as sorption, enhanced anaerobic biodegradation (chlorinateds), enhanced aerobic biodegradation (petroleum) and/or in situ chemical oxidation (ISCO). REGENESIS provides a range of technologies for use at industrial/manufacturing sites which include: PlumeStop, 3-D Microemulsion, Bio-Dechlor INOCULUM, ORC Advanced (powder/pellets), RegenOx ISCO for underground infrastructure compatibility and PersulfOx ISCO.
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