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Well clusters consist of a closely spaced group of monitoring wells, each well completed to a different depth in individual boreholes. [1] Well clusters were first used in the 1950s at contaminated sites. [3] Because there is only one well screen in each borehole, there is little risk of vertical connection between zones. [3]
Nested wells, also referred to as nested monitoring wells, are composed of multiple tubes or pipes, typically terminating with short screened intervals (2–3 ft), installed in single boreholes. Sand packs must be installed at the screen depths and seals in the borehole are constructed between the sand packs.
Ohio EPA establishes and enforces standards for air, water, waste management and cleanup of sites contaminated with hazardous substances. The Agency also provides financial assistance to businesses and communities; environmental education programs for businesses and the public; and pollution prevention assistance to help businesses minimize ...
Amid concerns of algal blooms, the Ohio EPA reported Tuesday that 86% of the state's major rivers are meeting water quality standards.
Johnson said the Ohio EPA has asked Licking County communities to plan for the next 10 years as they update the service plan, but he added the department can initiate an update at any time.
Agencies that are responsible for state-level regulating, monitoring, managing, and protecting environmental and public health concerns. The exact duties of these agencies can vary widely and some are combined with or are part of a state's fish and wildlife management agency.
The Ohio EPA said Wednesday about 200,000 gallons of pretreated wastewater leaked from a sanitary sewer line break near PPG Industries in Barberton before repairs were made this week.
Hamilton County Department of Environmental Services (HCDOES), U.S. EPA, and Ohio EPA have been involved in monitoring the air onsite and surrounding the landfill for air pollutants. [10] Levels of hydrogen sulfide, volatile organic compounds, carbon monoxide, and methane are included in the measurements. [10]