Mashicage SardiniaFourteenth International Waste Management and Landfill Symposium These results are consistent with many other studies on transport and retention of metals in tropical soil Boscov, MSW disposal sites with elements and operational procedures that guarantee protection to the environment and human health. The planned location of the boreholes is presented as red points amgiental Figure 4. Maria Lucia, eu e Maria Eu genia Boscov publicamos, emn o Soil sampling was performed with a regular auger. Log In Sign Up. This situation was also observed by Boscoov et al. For all the analyzed chemical elements, the concentrations in the subsoil range between the concentrations of the soil background uncontaminated natural soil and of the leachate sludge, except for isolated two values of arsenic concentration.
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This situation was also observed by Ferrari et al. The elements arsenic, cadmium, chromium, copper and lead were determined with about 5-mL liquid sample of the each solution. Figure 2 View of the unlined leachate pond. Remember me on this computer. Will be grateful for any help!
Microwave assisted acid digestion of aqueous samples and extracts. The Political Genius of Abraham Lincoln. For all the analyzed chemical elements, the concentrations in the subsoil range between the concentrations of the soil background uncontaminated natural soil and of the leachate sludge, except for isolated two values of arsenic concentration.
Arsenic, cadmium, lead, copper and chromium were determined in the natural uncontaminated soil, in the leachate sludge deposited in the bottom of the pond and in the contaminated soil samples. Dumpsites can be scientifically investigated to obtain contamination profiles due to leachate seepage and therefore assess soil properties relative to pollute transport and retention with a view at improving the design of new MSW landfills Ferrari et al.
Help me to find this geotecnia ambiental boscov pdf creator. After the pond was emptied, it was observed that the bottom had low bearing capacity, what turned the security of the probing team difficult to guarantee both in terms of accessibility to the pond and subsoil sampling. The ambientsl was sealed and heated in geoetcnia pre-defined sequence in the microwave: Charlotte ; United States: Soil sampling was performed with a regular auger.
The location of the sample collection point is shown in Figure 1. X-ray diffraction detected the presence of quartz, kaolinite, gibbsite, hematite and anatase. As observed by Ferrari et al. The final location can be viewed as green points in Figure 4. When the sampling depth was reached, the auger extremity was manually washed with Milli-Q water before the sample collection, thus avoiding cross-contamination.
Sampling operations had to be changed Figure 5 the profiles had to be relocated. After cooling, the vessel content was filtered and diluted with Milli-Q water to a predetermined volume.
Figure 3 presents a schematic diagram of the pond profile. Board Decision number E. Results showed that the tropical sandy soil that composed the landfill foundation bosco the investigated metals, so that their concentrations did not exceed limit acceptable values of soil contamination from the state of Sao Paulo.
Geotecnia Ambiental Estudio de riesgo y su modalidad. No registered users and 9 guests. These results are consistent with other studies on metal transport and retention in tropical soils.
Click here to sign up. Help Center Find new research papers in: The approximate dimensions of the pond were: Table 3 — Metal concentration in the natural soil background and leachate sludge. A soil sample of 0. Figure 5 — Soil sampling. Serra Geral Formation comprises a set of basaltic rocks originated from volcanic flows which are intercalated with eolian fine-grained sandstone deposits.
The liquid sample was then submitted to chemical analysis. How To Win Friends and The samples were cubic with side length of 0. Skip to main content. EPA, developed for partial extraction of metals. CACING KREMI PDF This paper presents an investigation of subsoil contamination underneath an unlined leachate pond in a year old dumpsite in the state of Sao Paulo, Brazil, which currently is going through a process of reclamation to turn it into a sanitary landfill with adequate protection to ambuental environment and human health.
Figure 1 — Location of Botucatu Municipal Landfill regional and local views. This landfill, which activities started inwas inadequately operated from the beginning untilwhen a reclamation plan bosxov implemented to turn it into a sanitary lanfill.
Contaminated soil sampling Samples of contaminated soil were collected at three profiles located inside the area of the former leachate pond at 6 depths: Thank you very much. Soil characterization Geotechnical characterization of the local soil is presented in Table 1. Geotecnia Ambiental This opportunity was taken to collect samples of the subsoil under the pond area to assess the contamination profile.
Transporte de abmiental em solos — SardiniaFourteenth Amibental Waste Management and Landfill Symposium Figure 8 — Lead concentration in the subsoil underneath the leachate pond.
Who could help me? Exhumation of an unlined leachate lagoon — a case study. For each field sample, triplicates were used to improve the accuracy of the results. Foram realizadas sondagens a trado manual com coleta de amostras para a Most 10 Related.
Board Decision number E. This landfill, which activities started inwas inadequately operated from the beginning untilwhen a reclamation plan was implemented to turn it into a sanitary lanfill. All laboratory apparatuses e. Help me to find this geotecnia ambiental boscov pdf creator. The planned location of the boreholes is presented as red points in Figure 4. Arsenic, cadmium, lead, copper and chromium were determined in the natural uncontaminated soil, in the leachate sludge deposited in the bottom of the pond and in the contaminated soil samples.
GEOTECNIA AMBIENTAL BOSCOV PDF