title: Assessment of organochlorine pesticide residues in Atlantic Rain Forest fragments, Rio de Janeiro, Brazil.
abstract: A superficial water quality survey in a watershed of the Paraíba do Sul River, the main water supply for the most populated cities of southeastern Brazil, was held in order to assess the impact of the expansion of agricultural activity in the near border of the Atlantic Rain Forest. The aim of this study was to investigate the presence of priority organochlorine pollutants in soils and superficial waters of Atlantic rainforest fragments in Teresópolis, Rio de Janeiro State. Soil sample preparations were compared by using ultrasound, microwave assisted extraction and Soxhlet extraction. Recoveries of matrix spiked samples ranged from 70 to 130%. Analysis of a certified soil material showed recoveries ranging from 71 to 234%. Although low concentrations of organochlorine residues were found in water and soil samples, this area is of environmental importance and concern, thus demanding a monitoring program of its compartments.
authors.affiliation: Instituto Nacional de Tecnologia, Departamento de Química Analítica, Laboratório de Química Analítica e Metrologia em Química, Av Venezuela, 82 - Rio de Janeiro 20081-312, Brazil. nataliaquinete@yahoo.com.br
authors.forename: Natalia Soares
authors.initials: NS
authors.lastname: Quinete
authors.forename: Elba dos Santos
authors.initials: Edos S
authors.lastname: de Oliveira
authors.forename: Daniella R
authors.initials: DR
authors.lastname: Fernandes
authors.forename: Andre de Souza
authors.initials: Ade S
authors.lastname: Avelar
authors.forename: Ricardo Erthal
authors.initials: RE
authors.lastname: Santelli
mesh_terms: D001938:Brazil; D004784:Environmental Monitoring / Q000379:methods*; D006843:Hydrocarbons, Chlorinated / Q000032:analysis*; D010573:Pesticide Residues / Q000032:analysis*; D012989:Soil Pollutants / Q000032:analysis*; D014874:Water Pollutants, Chemical / Q000032:analysis*
chemical_list: D006843:Hydrocarbons, Chlorinated; D010573:Pesticide Residues; D012989:Soil Pollutants; D014874:Water Pollutants, Chemical