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Please use this identifier to cite or link to this item: http://hdl.handle.net/10793/380

Title: Monitoring of Shellfish Growing Areas - 1995
Authors: Smyth, M
Rowe, A
McGovern, E
Nixon, E
Keywords: Leaflet
Issue Date: Aug-1997
Publisher: Marine Institute
Citation: Smyth, M., Rowe, A., McGovern, E. & Nixon, E., "Monitoring of Shellfish Growing Areas - 1995", Fishery Leaflet, Marine Institute 1997
Series/Report no.: Fishery Leaflet;174
Abstract: In accordance with the monitoring requirements of the 1979 Council Directive 79/923/EC on the water quality of shellfish waters, water and shellfish samples were collected from 21 major shellfish-growing areas and analysed for physicochemical parameters and chemical contaminants. At each site temperature, salinity, pH and dissolved oxygen measurements were made and the area was inspected for the presence of visible petroleum hydrocarbons. Water samples were collected for suspended solids determinations. A representative sample of the shellfish from each area was collected and returned to the laboratory for metal and chlorinated hydrocarbon analyses. As in previous years, the water quality was good and conformed to guidelines and requirements of the Directive. Petroleum hydrocarbons were not observed in any of the shellfish waters or as deposits on the shellfish. Chlorinated hydrocarbon levels were very low, evidence of the clean, unpolluted nature of Irish shellfish and shellfish-producing waters. Mercury and lead levels were consistently low. Levels of cadmium in oysters from a number of areas were slightly elevated but did not exceed the Dutch human consumption tolerance value of 1mg/kg (ppm) wet weight.
URI: http://hdl.handle.net/10793/380
ISSN: 0332-1789
Appears in Collections:Irish Fisheries Leaflets

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