Publication
21 Jul 2013

Aquatic ecotoxicity and biodegradability of cracked gas oils. Summary of relevant test data

Report no. 7/13: This report describes the experimental procedures and the results obtained in acute and chronic ecotoxicity tests as well as a biodegradation study on cracked gas oil samples.

In a CONCAWE study, three samples were tested for toxicity to the crustacean zooplankter, Daphnia magna and the algae, Pseudokirchneriella subcapitata (alternatively known as Selenastrum capricornutum) using water accommodated fractions. In addition, another sample was tested in a separate API study for toxicity to the fish, Oncorhynchus mykiss, the crustacean zooplankter, Daphnia magna (acute and chronic) and the algae, Pseudokirchneriella subcapitatausing water accommodated fractions. The API sample was also tested for ready biodegradability in a manometric respirometry test.

All these results assist in determining the environmental hazard posed by cracked gas oils.

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