Abstract

This list presents 247 radiocarbon age determinations made by the Radiocarbon Dating Laboratory, Geological Survey of Canada, plus 13 AMS dates done by other /aboratories, and 22 dates made at the Alberta Environmental Centre in Vegreville. The total number (260) of samples from various areas are as follows: Newfoundland (19); Labrador (2); Nova Scotia (10); New Brunswick (3); Québec (37); Ontario (2); Manitoba (6); Alberta (4 ); British Columbia (34 ); Yukon Territory (8); Northwest Territories, main/and (51); Northwest Territories, Arctic Archipelago (76); U.S.A., New York(]); Denmark, Green/and ( 1 ). Seventeen sampi es were dated ( eleven of which were counted in both the 2 L and 5 L counters) as part of an international Collaborative Study (Scott et al., 1990). Tables 1 and 2 summarize the details of background and standard counts for the 2 L and 5 L counters during the period /rom January 9, 1990, to January 8, 1991.

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