Modern Water - Monitoring Division

Modern Water - Monitoring Division

MTI Diagnostics online heavy metal monitor undergoes scrutiny of US EPA


Source: Modern Water - Monitoring Division

Environmental and diagnostic specialists, MTI diagnostics, (Fareham, UK) have completed a stringent evaluation of its MTI OVA 5000 system at the US Environmental Protection Agency (EPA) Vineland Chemical Company Superfund site in Cumberland County, New Jersey for monitoring arsenic in the effluent from the waste water treatment plant. The EPA is responsible for the cleanup of the site while the US army corps have evaluated the instrument performance in waste water. The purpose of the instrument installation is to incorporate the automated analysis into their other automated operations, allowing the operators to monitor plant performance when it is unmanned, while ensuring the effluent limits for Arsenic in the wastewater are met.

Large scale arsenic contamination of the 54-acre site stems from the disposal of waste associated with herbicide manufacturing. Although the extent of the contamination is unknown, run-off from the site has contaminated a local river and lake, as well as a large area of groundwater. The whole remediation process is expected to last 30 years, beginning in 2000.

During the evaluation period, the system was required to operate continuously for 60 days with no failures. Sample testing was performed in duplicate during the 60 day period. Importantly, OVA 5000 results met the required standard – within an acceptable range when compared to the reference method used at a specified off-site laboratory.

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