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The use of radon (Rn-222) and volatile organic compounds in monitoring soil gas to localize NAPL contamination at a gas station in Rio Claro, Sao Paulo State, Brazil
(Elsevier B.V., 2014-07-01)
This study focuses on the presence of radon (Rn-222) and volatile organic compounds (VOCs) in soil gases at a gas station located in the city of Rio Claro, Sao Paulo, Brazil, where a fossil fuel leak occurred. The spatial ...
Detection of groundwater and soil contamination by hydrocarbons using radon as a tracer
(2015-04-01)
Subsurface contamination with hydrocarbons as non-aqueous phase liquid (NAPL) is one of the most common environmental impact associated with fuel leak in gas station areas and can represent a health human problem due to ...
Polychlorinated biphenyls and organochlorine pesticides in plastics ingested by seabirds
(PERGAMON-ELSEVIER SCIENCE LTD, 2010)
The occurrence of plastic objects in the digestive tract was assessed in eight species of Procellariiformes collected in southern Brazil and the occurrence of polychlorinated biphenyls (PCBs) and organochlorine pesticides ...
Evaluation of the presence of microorganisms in solid-organ preservation solution
(2011-11-01)
Objective: To assess the presence of microorganism contamination in the preservation solution for transplant organs (kidney/pancreas). Method: Between August 2007 and March 2008, 136 samples of preservation solution were ...
Assessing legacy contaminants in sediments from marine protected areas of the central coast of Sao Paulo (Brazil)
(Inst Oceanografico, Univ Sao Paulo, 2017-10-01)
The presence of legacy contaminants in sediments from three Marine Protected Areas (MPAs) of the coast of Sao Paulo State was evaluated. Four sampling surveys were conducted between 2013 and 2015 in 10 sites, distributed ...
Ozonation of sediments from an urban lake: an exploratory investigation
(Brazilian Society of Chemical Engineering, 2011)
An exploratory investigation was conducted on the effects of application of ozone on the removal of organic and inorganic contaminants and the reduction of settleable solids in urban lake sediments. Homogenized sediment ...
OZONATION OF SEDIMENTS FROM AN URBAN LAKE: AN EXPLORATORY INVESTIGATION
(BRAZILIAN SOC CHEMICAL ENG, 2011)
An exploratory investigation was conducted on the effects of application of ozone on the removal of organic and inorganic contaminants and the reduction of settleable solids in urban lake sediments. Homogenized sediment ...