Identification of 1,3-dioxanes and 1,3-dioxolanes as malodorous compounds at trace levels in river water, groundwater, and tap water

Article Abstract:

The organic compounds, 2-alkyl-5,5-dimethyl-1,3-dioxanes and 2-alkyl-4-methyl-1,3-dioxolanes, were the most dominant compounds identified in river water and groundwater from the Tordera aquifer in Barcelona and Girona, Spain. The most malodorous compound detected, which have a threshold odor of 10 ng/L, was 2-alkyl-5,5-dimethyl-1,3,dioxanes. The dioxane and dioxolane pollution in the area is caused by a company which currently manufactures saturated and unsaturated polyester resins and discharges its wastes to the waterways.

Research and Development in the Physical, Engineering, and Life Sciences, Water Pollution Control R&D, Spain, Organic compounds, Water pollution research

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PCB levels at 26 New York City and New Jersey WPCPs that discharge to the New York/New Jersey Harbor estuary

Article Abstract:

A characterization of the PCB loading in the New York/New Jersey Harbor estuary by 26 water pollution control plants (WPCP) showed that the combined PCB contributions from these facilities amount to 88kg annually. The PCB output from the WCPCs averaged 25ng/L as measured from the effluent and the estimated amount of PCB that bypass or is diverted from the WCPCs account for less than 3% of the estimated load being placed in the sewerage system.

Waste Management and Remediation Services, Water Pollution, Polychlorinated biphenyls, Sewage

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