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PCB contamination and effects on benthic invertebrate communities at the Irving Whale salvage site / W. Ernst ... [et al.].

Environmental Protection Branch, Environment Canada, Atlantic Region, 2000.

363.7384 C2.E6p

Polychlorinated biphenyls -- Environmental aspects -- Maritime Provinces.

Polychlorinated biphenyls -- Environmental aspects -- Canada.

Benthic animals -- Maritimes.

Benthic animals -- Canada.

Environmental Protection Service report series ; EPS-5-AR-00-1

vi, 36 p. : ill.

Abstract also in French.

Includes bibliographical references (p. 15-16).

The oil barge Irving Whale sank in the Gulf of St. Lawrence in 1970 and was recovered in July 1996. The barge contained polychlorinated biphenyls (PCB) in its heating system and it is known that some PCB remained in the environment. This report presents findings of a survey of sediment and snow crab (Chionoecetes opilio, the major commercial fishing species in the vicinity of the recovery site) conducted in spring 1999 at and around the Irving Whale site to determine the extent of PCB contamination. It also summarizes previously unpublished data from sampling conducted in 1998. Samples were collected from the barge footprint as well as from reference sites at distances up to 30 nautical miles. Samples were subjected to chemical analysis for PCB, amphipod & bacterial toxicity tests, and identification & enumeration of benthic invertebrates.

Ernst, W. R. (William R.)

Canada. Environment Canada. Atlantic Region.

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