Assessment of Spatial Variability of Heavy Metals (Pb and Al) in Alluvial Soil around Delta State University of Science and Technology, Ozoro, Southern Nigeria

Uguru, H.; Akpokodje, O. I.; Agbi, G. G.

doi:10.46592/turkager.2021.v02i02.017

Cited by 5 publications

(3 citation statements)

References 25 publications

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“…The people of the region mainly engage in farming and pretty businesses. Most of the civil engineering construction works taking place in the region are mostly residential buildings construction; although few roads and commercial buildings are under construction in the region (Uguru et al, 2021).…”

Section: Description Of the Study Areamentioning

confidence: 99%

“…Remarkably, most of the soil can be used for road pavement construction. According to Federal Ministry for Works and Housing (FMWH) guideline for soil approved for either sub grade or sub base course material in road construction, should have fines quantity lower than 35% Agbi et al (2021). stated that poorly graded sand tends to produce concrete with lower mechanical properties, although they may be suitable for others civil engineering jobs.…”

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confidence: 99%

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Assessment of the geotechnical properties and suitability of borrow pit soil for construction works in some Niger Delta communities in Nigeria

Owamah

Umukoro

Atikpo

2023

Preprint

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Detailed investigation of the geotechnical properties of borrow pits soils, used for road and other construction works in major Niger Delta communities of Nigeria was carried out. The particle size distribution, specific gravity, liquid limit (LL), plastic limit (PL), plasticity index (PI), maximum dry density (MDD), optimal moisture content (OMC), free swelling index (FSI) and Californian bearing ratio (CBR) of the sampled soil were measured in accordance with the British Standard (BS) code and America Standard Testing Material (ASTM) code. Based on the Unified Soil Classification System (USCS), the borrow pits soil can be classified as poorly graded sand with clay. Also, the results depicted that the borrow pits soil Specific gravity, LL, PI values and PL valued ranged from 2.6-2.71, 21.1% -34.08%, 6.29%-13.58% and 15.81% - 20.23%, respectively. OMC, MDD and CBR ranged from 14.53%-15.17%, 1.53 kg/m3 -1.69 kg/m3 and 20.19% -47.15%, respectively. The study affirmed that some of the soils can be useful for the construction of roads and other civil engineering structures, without stabilization.

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Section: Description Of the Study Areamentioning

confidence: 99%

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confidence: 99%

Assessment of the geotechnical properties and suitability of borrow pit soil for construction works in some Niger Delta communities in Nigeria

Owamah

Umukoro

Atikpo

2023

Preprint

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“…According to Zhang et al (2018), human induced actions usually produce numerous toxic substances which can cause serious harm to the soil, plants and animals. Uguru et al (2021) stated that the geotechnical and mechanical properties of soil are greatly in uenced by heavy metals concentration levels and their distribution pattern.…”

Section: Introductionmentioning

confidence: 99%

Appraising the impact of automobile mechanic workshop activities on the soil’s heavy metals contamination level in Isoko Community, Niger Delta region of Nigeria

Akpoedafe,

Owamah,

Atikpo

et al. 2023

Preprint

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There is increasing concern on environmental pollution caused by anthropogenic actions. This research was aimed at evaluating the effect of leachates from vehicle mechanic workshops, on the soil’s heavy metals pollution level. A total of 20 soil samples (10 topsoil and 10 subsoil) were collected from 9 active clusters of automobile mechanic workshops, and a reference site. Eight heavy metals – cadmium “Cd”, chromium “Cr”, copper “Cu, iron “Fe”, lead “Pb”, manganese “Mn”, nickel “Ni” and zinc “Zn”- concentration were measured in the soil samples in accordance with ASTM International standard. Thereafter these pollution indices – contamination factor (CF), single pollution index (SPI) and pollution load index (PLI) were used to evaluate the degree of heavy metals pollution in the region’s soil. The results revealed that the mean Cd, Cr, Cu, Fe, Pb, Mn, Ni and Zn concentration in the topsoil samples was 0.172 mg/kg, 0.36 mg/kg, 0.64 mg/kg, 159.40 mg/kg, 0.415 mg/kg, 1.39 mg/kg, 0.745 mg/kg and 2.184 mg/kg respectively. While the Cd, Cr, Cu, Fe, Pb, Mn, Ni and Zn content in the subsoil was 0.139 mg/kg, 0.274 mg/kg, 0.462 mg/kg, 138.90 mg/kg, 0.349 mg/kg, 1.144 mg/kg, 0.586 mg/kg and 1.793 mg/kg respectively. Furthermore, the pollution indices results indicated that the soil had low level of heavy metals contamination, and can be considered safe for plants and animals. Accumulation of toxic metals in the soil is a major environmental threat; therefore there is need to monitor the activities of automobile mechanics in Nigeria by environmental protection agencies.

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Comprehensive Assessment of the Effect of Various Anthropogenic Activities on the Groundwater Quality

et al. 2022

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Water pollution had become a major problem due to its’ negative impact on the human health. Effects of humaninduced actions on groundwater quality were examined in this study. The physicochemical, heavy metals and microbial parameters of groundwater, sampled during the two major climatic periods in Nigeria, were measured according to APHA approved procedures. Results obtained from laboratory tests revealed that anthropogenic activities had substantial effect on the groundwater quality. The groundwater TDS, nitrate, BOD, chloride and phosphate concentrations varied from 23.93 to 42.32 mg/L, 0.54 to 2.16 mg/L, 2.23 to 4.72 mg/L, 10.78 to 19.15 mg/L, and 0.22 to 0.36 mg/L respectively. Likewise, Cd concentration fluctuated between 0 and 0.001 mg/L, Cu varied between 0 and 0.149 mg/L, Fe varied between 0 and 0.293 mg/L, Pb varied between 0 to 0.105 mg/mL, Zn varied between from 0 and 0.768 mg/L, while Ni fluctuated between 0 and 0.001 mg/L. The findings revealed that areas with poor sanitary situations had poor groundwater quality, compared to the areas with improved sanitary situations. Regarding the microbial population, the highest Total Bacteria and Fungi Counts recorded in the groundwater were 1.11×102 cfu/mL and 1.23×102 cfu/mL respectively. Similarly, the highest recorded Enterobacterial spp., Staphylococus arurius, E. coli, Proteus spp. and Shegeela spp. populations were 26.22×102 cfu/mL, 1.23×102 cfu/mL, 0.41 MPN/100 mL, 0.12 cfu/ml and 0.30×102 cfu/mL respectively. Although, the groundwater physicochemical parameters and heavy metals concentrations were within safe drinking water limits; the groundwater was largely contaminated with pathogenic microorganisms, mostly during the rainy season.

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Assessment of Spatial Variability of Heavy Metals (Pb and Al) in Alluvial Soil around Delta State University of Science and Technology, Ozoro, Southern Nigeria

Cited by 5 publications

References 25 publications

Assessment of the geotechnical properties and suitability of borrow pit soil for construction works in some Niger Delta communities in Nigeria

Assessment of the geotechnical properties and suitability of borrow pit soil for construction works in some Niger Delta communities in Nigeria

Appraising the impact of automobile mechanic workshop activities on the soil’s heavy metals contamination level in Isoko Community, Niger Delta region of Nigeria

Comprehensive Assessment of the Effect of Various Anthropogenic Activities on the Groundwater Quality

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