DISTRIBUTION OF HEAVY METALS (CD AND PB) IN SOIL AND ITS IMPACT ON GROUNDWATER IN BANDUNG REGENCY

• Main Author: Anggraeni, Diyah
• Format: Final Project
• Language: Indonesia
• Subjects: Teknik saniter dan perkotaan; teknik perlindungan lingkungan
• Online Access: https://digilib.itb.ac.id/gdl/view/84859
• Institution: Institut Teknologi Bandung

This study examined Cd and Pb concentrations in 96 soil and 32 groundwater samples across 7 districts in Bandung Regency using statistical methods. Soil samples were collected within 10 meters of groundwater sampling points at depths of topsoil (10-20 cm), subsoil (50-60 cm), and subsoil (90-100 cm), each with 32 samples analyzed by ICP-OES. Statistical analysis with SPSS assessed Cd and Pb contamination potential from soil to groundwater. Results showed Cd and Pb contamination in Bandung Regency soils. Cd concentrations were highest in subsoil (50-60 cm) > subsoil (90-100 cm) > topsoil (10-20 cm), while Pb was highest in subsoil (50-60 cm) > topsoil (10-20 cm) > subsoil (90-100 cm). Cd concentration averaged 6.8535 mg/kg, higher in residential soils (95% CI = 6.115 - 7.591, p < 0.005). Pb concentration averaged 18.551 mg/kg, also higher in residential soils (95% CI = 14.626 – 22.475, p < 0.005). Pb showed potential contamination to shallow groundwater in depth ? 6 m with a correlation of 0.903 (p = 0.000 < 0.001) and a hazard level of 1.01. No significant correlation was found between Cd in soil at depths up to 1 m and groundwater