Chemical Characterization of a Municipal Landfill and Its Influence on the Surrounding Estuarine System, South Central Chile

Palma-Fleming, Hernán; Quiroz, Eduardo; Gutierrez, Elena; Cristi, Erik; Jara, Bernardo; Keim, María L.; Pino, Mario; Huber, Anton; Jaramillo, Eduardo; Espinoza, Osvaldo; Quijón, Pedro A.; Contreras, Heraldo; Ramírez, Carlos

doi:10.4067/s0366-16442000000400005

Cited by 3 publications

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“…80% sand and 20% mud) with an organic matter content of about 6%. 27 Generally, mussel/sediment total PAH ratios were higher than one, revealing that PAHs were mostly partitioned in favor of the biota rather than sediments, thus agreeing with the fact that low PAHs concentrations in sediments are associated with sandy sediments, while high concentrations are associated with muddy sediments. Similar results have been reported by Baumard et al (1998).…”

Section: Resultssupporting

confidence: 66%

Polycyclic aromatic hydrocarbons in sediments and mussels of Corral Bay, south central Chile

Palma-Fleming

Asencio²,

Gutierrez

2004

J. Environ. Monitor.

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PAHs were measured in sediments and mussels (Mytilus chilensis) from Carboneros and Puerto Claro, located in Corral Bay, Valdivia. According to the ratio of phenanthrene/anthracene and fluoranthene/pyrene concentrations, these sites are medium polluted with PAHs originating mainly from pyrolytic sources. Fluoranthene was the major component measured in mussels (3.1-390 ng g(-1) dry weight) and sediments (6.9-74.1 ng g(-1) dry weight). In general, mussels were mainly exposed to the dissolved fraction of the lower molecular weight PAHs (tri- and tetra-aromatics) while the higher molecular ring systems (penta- and hexa-aromatics) were more bioavailable to sediments. Mussel PAHs content was relatively constant, with the exception of the 1999 summer season (March), when higher concentration values were found in both sites; however, PAHs residues in sediments showed a temporal variation.

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Section: Resultssupporting

confidence: 66%

Polycyclic aromatic hydrocarbons in sediments and mussels of Corral Bay, south central Chile

Palma-Fleming

Asencio²,

Gutierrez

2004

J. Environ. Monitor.

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“…The presence of high chlorine content (5-7 chlorine atoms) PCBs can be attributed to local industrial emissions along the coast of Valparaiso area, since they are less prone to travel long distances due to their high K ow 46 . The only organochlorine compound found in Valdivia was heptachlor epoxide, a decomposition product of the pesticides heptachlor and chlordane which has been previously reported in other organisms of the Valdivia Estuarial System during 1994-1995 47 . The concentrations of heptachlor epoxide in Perumytilus purpuratus found by the actual study are lower than those found in the estuary in Mytilus chilensis (c.a.…”

Section: Pcbs and Pesticidesmentioning

confidence: 99%

Polycyclic Aromatic Hydrocarbons and Polychlorinated Biphenyls in Coastal Environments of Valdivia and Valparaíso, Chile

Palma-Fleming

Cornejo

González

et al. 2008

J. Chil. Chem. Soc.

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PAHs and PCBs were measured in the mussel Perumytilus purpuratus (Lamarck) collected from three different sites along the coast of Valdivia and Valparaiso, South-Central and Central Chile, respectively. Pollution at these sites is considered low with PAHs originating mainly from pyrolytic sources according to the Phenanthrene/Anthracene and Fluoranthene/Pyrene ratios. Temporal variation of PAHs was observed in Valdivia, while site variation was observed along the

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“…When abandoned, these sites may be converted to new land uses without additional regulation. Studies of contaminants in soils at these and other sites have been performed considering the type and extent of pollutants in the involved area (Romero et al, 1999;Ginocchio et al, 2004;Molina et al, 2009;Escudey et al, 2007;Badilla-Ohlbaum et al, 2001;Palma-Fleming et al, 2000). The systematic evaluation of SAPPC in Chile began only 5 years ago, in 2010, and has targeted defined areas that have been environmentally impacted by one or more potentially polluting activities, which ended at some point without a proper site closure process.…”

Section: Brazilian Journal Of Chemical Engineeringmentioning

confidence: 99%

Evaluation of Potential Methane Generation in the Investigation of an Abandoned Contaminated Landfill in Santiago, Chile

Cortés¹,

Montalvo

2016

Braz. J. Chem. Eng.

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-This study presents the environmental evaluation of an abandoned and potentially contaminated landfill using analyses for the presence of heavy metals and for methane generation potential. The site is located in the city of Santiago, Chile, and was used as a rural landfill for domestic, industrial and construction waste until 1978, but is now in a heavily urbanized area and surrounded by houses. Analyses performed on 24 samples taken in and around the site show Potential Methane Generation (PMG) values between 1.6% and 11.3% of maximum projected levels. These low values, compared to those of an active landfill, indicate that waste material stored in the site has a low capacity to generate methane. Concentrations of heavy metals in the surface and deep soil are similar to typical levels for these metals in normal soil, according to international USEPA standards, and do not present imminent risk to human health. The use of the PMG test technique for the study of the health risk of an abandoned landfill is a new contribution to the Chilean evaluation methodology and management program for Abandoned Sites with Potential Presence of Contaminants (SAPPC). As part of the environmental management strategy for the site, two of the five operable units studied were transformed into a park after this study.

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Chemical Characterization of a Municipal Landfill and Its Influence on the Surrounding Estuarine System, South Central Chile

Cited by 3 publications

References 0 publications

Polycyclic aromatic hydrocarbons in sediments and mussels of Corral Bay, south central Chile

Polycyclic aromatic hydrocarbons in sediments and mussels of Corral Bay, south central Chile

Polycyclic Aromatic Hydrocarbons and Polychlorinated Biphenyls in Coastal Environments of Valdivia and Valparaíso, Chile

Evaluation of Potential Methane Generation in the Investigation of an Abandoned Contaminated Landfill in Santiago, Chile

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