Abstract

ABSTRACT Research on the biological effects of oil pollution and detergent cleaning operations within the port of Milford Haven is described. Observations made on accidental spillages, experimental field spillages and laboratory investigations confirm that both salt marsh communities and rocky shores do normally recover from oil pollution accidents but that shore cleaning with emulsifiers can do serious damage if misused, although recovery follows. The effects of some new emulsifiers which are up to 1000X less toxic are discussed. Chronic pollution damage from refinery discharges has been identified both in Milford Haven and elsewhere, but it has been shown that these effects are eliminated if the outfall pipes are located offshore in locations of good dispersion and currents. Long term surveys reveal no widespread long term damage to the Fauna and Flora of Milford Haven attributable to the development of the oil port.

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