The organochlorine contamination history of the Mersey estuary, UK, revealed by analysis of sediment cores from salt marshes.

Sediment profiles in the Banks, Ince and Widnes Warth salt marshes in Northwest England contain a mappable record of historic pollution. For persistent organochlorine compounds this stretches back over 90 years. The PCB and HCH profiles can be successfully rationalised by dating methods, and they can be related to the dates of initial production and… CONTINUE READING