Browsing by Author "7e02822c-ad01-4c88-bc34-61111f3318d7"
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Field testing passive air samplers for current use pesticides in a tropical environment
Gouin, Todd; Wania, Frank; Ruepert, Clemens; Castillo, Luisa E. (Universidad Nacional, Costa Rica., 2008)Air was sampled for one year in the central valley of Costa Rica using an active high-volume sampler as well as passive samplers (PAS) based on polyurethane foam (PUF) disks and XAD-resin filled mesh cylinders. Extracts ... -
In situ toxicity and ecological risk assessment of agro-pesticide runoff in the Madre de Dios River in Costa Rica
Echeverría-Sáenz, Silvia; Mena, Freylan; Arias-Andrés, María; VARGAS, SEILING; Ruepert, Clemens; van den brink, Paul; Castillo, Luisa E.; Gunnarsson, Jonas (SpringerEuCheMS Division of Chemistry and the Environment, 2016-10-18)The River Madre de Dios (RMD) and its lagoon is a biodiversity rich watershed formed by a system of streams, rivers, channels, and a coastal lagoon communicating with the Caribbean Sea. This basin sustains a large area of ...