Heavy metal concentration and contamination assessment in soils along Gibong Riverbanks in Prosperidad, Agusan Del Sur, Philippines

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Research Paper 10/07/2023
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Heavy metal concentration and contamination assessment in soils along Gibong Riverbanks in Prosperidad, Agusan Del Sur, Philippines

Jeffrey Q. Apat
J. Bio. Env. Sci.23( 1), 39-51, July 2023.
Certificate: JBES 2023 [Generate Certificate]

Abstract

The study aimed to analyze the physicochemical characteristics and heavy metal concentrations of soil along the Gibong Riverbanks in Prosperidad, Agusan del Sur, Philippines. The study found no significant differences in soil pH, electrical conductivity, soil salinity, total dissolved solids, soil temperature, moisture, or organic matter values between the three sampling sites. The concentrations of seven heavy metals, copper, lead, manganese, nickel, and cadmium in the soil samples from the Gibong riverbank do not reflect any environmental threats or concerns. However, the significant traces of chromium and borderline levels of cobalt in all three stations pose an alarming threat worthy of further investigation and intervention. Copper concentrations in the soil samples from the three statins revealed significant differences, while chromium concentrations were higher than the standard or permissible value. Lead concentrations were also significantly higher than the standard or permissible value, but the values were lower than the standard or permissible value. Cobalt concentrations were at a borderline level of reaching the standard or permissible level (50ppm) in agricultural soils, and further investigation is needed for appropriate environmental interventions. Manganese concentrations were also found to be equivalent, while nickel concentrations were below the standard or permissible value. Cadmium concentrations were also significant, but lower than the standard or permissible value. The findings can be used to establish data on the presence and contamination of heavy metals in the soils of the Gibong riverbank in Agusan del Sur, Philippines, providing data on the status of physicochemical parameters present in the soils. The data presented in the study can be used as a baseline for environmental protection programs and policies.

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