Very low frequency electromagnetic (VLF-EM). 2D Electrical Resistivity Profiling (2D ERP) and Vertical Electrical Sounding (VES) methods of geophysics were deployed to map the extent of leachate contamination in near-surface rocks around a popular reclaimed dumpsite in north central Nigeria. Two years after abandon and waste excavation; the dumpsite was converted to a residential area... https://smokeaers.shop/product-category/grinders/