Heavy metal contamination of the soil has become a serious problem confronting both scientists and regulators around the world. The occurrence and accumulation of these heavy metals in farm soils has far reaching implications on human health as humans occupy a key position on the food chain. Within the last ten years, studies on heavy metal accumulation in food crops and agricultural soils cond...

to evaluate the effect of application of municipal solid waste compost (mswc) on the accumulation of heavy metals of lead, nickel and cadmium in the soil under maize cultivation, a factorial experiment in base randomized complete block design (rcbd) with four different amounts of municipal solid waste compost (zero, 15, 30 and 60 tons ha-1) and time (compost applied once or twice) was performed...

BACKGROUND The presence of heavy metals in food products has become a global problem. In order to reduce the absorption of heavy metals from food we should consider substances which bind these toxic metals and are generally available and easy to apply, such as tannins. OBJECTIVES The study aimed at verifying if oral administration of tannic acid could reduce the accumulation of lead and cadmi...

The present study investigates the accumulation of vanadium, iron, and nickel in different depths of soil in collection sites of oil sludge, in Masjed Soleyman Oil and Gas Exploitation Company, located in Choob Sorkh Region. To conduct the research, four sampling points have been selected at the mentioned site, with one sampling point chosen outside the site, as the clean area. Soil sampling ha...

Almost all heavy metals are serious toxicants as carcinogens. However, due to their chemical and physiological properties, heavy metals are useful in industrial areas including alloy, smelting and production of commercial products. Such applications increase the opportunity for heavy metal exposure. Waste from industrial processes is also a major source of environmental contamination and accumu...

background: the concentrations of heavy metals in the tissues and organs of fishes indicate the concentrations of heavy metals in water and their accumulation in food chains. in the present study, the concentrations of zn, cu, cd, ni, v and pb in three common species of fish and the potential health risks to local residents via consumption of the fishes were estimated.  methods: the concentrati...

Introduction The Harjavalta area (Figure 1) is one of the areas most seriously polluted by heavy metals in Finland. Copper smelting first started in 1945, and nickel smelting in 1959. The smelted ore concentrates contain sulphur, trace metals and arsenic. Although emissions of SO2 and heavy metals from the smelters have been strongly reduced in recent years (Figure 2), the topsoil of neighbouri...

Environmental contamination by heavy metals is a serious problem due to their incremental accumulation in the food chain. Unlike most organic wastes and the microbial load in aquatic bodies, metal contaminants are not biodegradable, tending to accumulate in living organisms, thus becoming a permanent burden on ecosystems (Bayo, 2012). Most heavy metals are transition elements with incompletely ...

this study has been carried out to determine the accumulation of heavy metals (arsenic, copper, lead, tin and zinc) in fish samples collected from former tin mining catchment. total eight types of fish family having fifteen different species are identified. cyperinidae is the most abundant family with eight different species found in the catchment. fish samples were analysed by using inductivel...