90Sr and 137Cs in Coyote Scats From the Hanford Reservation

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Sixty scats (feces) from coyotes (Canis latrans) were collected during the spring of 1976 from these locations on the U.S. DOE Hanford Reservation in southcentral Washington. Only 5 of the 60 scats had detectable 137Cs activity levels. All scats had measurable 90Sr activity levels. Scats collected close to nuclear waste burial sites had the highest levels of radioactivity, and scats collected the greatest distance from the waste burial sites had the lowest levels. Coyotes are potential dispersers of radioactivity, and the data presented here suggest that survellance of coyote scats can be a useful adjunct to radiobiological monitoring procedures.

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