Abstract Soil contamination from lead battery manufacturing and recycling in seven African countries
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Soil contamination from lead battery manufacturing and recycling in seven African countries

机译：七个非洲国家铅电池制造和回收中的土壤污染

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AbstractLead battery recycling is a growing hazardous industry throughout Africa. We investigated potential soil contamination inside and outside formal sector recycling plants in seven countries. We collected 118 soil samples at 15 recycling plants and one battery manufacturing site and analyzed them for total lead. Lead levels in soils ranged from < 40–140,000mg/kg. Overall mean lead concentrations were ~23,200mg/kg but, average lead levels were 22-fold greater for soil samples from inside plant sites than from those collected outside these facilities. Arithmetic mean lead concentrations in soil samples from communities surrounding these plants were ~2600mg/kg. As the lead battery industry in Africa continues to expand, it is expected that the number and size of lead battery recycling plants will grow to meet the forecasted demand. There is an immediate need to address ongoing exposures in surrounding communities, emissions from this industry and to regulate site closure financing procedures to ensure that we do not leave behind a legacy of lead contamination that will impact millions in communities throughout Africa.Highlights•Soil lead contamination was found at lead battery recycling facilities in Africa.•Mean lead concentrations were 2600mg/kg in soil on the outside of plants.•Lead pollution at these sites poses significant health risks to the public.•Lead contamination at these plants suggest that extensive remediation is warranted.
机译： 摘要 铅蓄电池的回收在整个非洲是一个日益增长的危险产业。我们调查了七个国家正规部门回收工厂内部和外部的潜在土壤污染。我们在15个回收工厂和1个电池制造厂收集了118个土壤样品，并分析了总铅含量。土壤中的铅含量范围小于40-140,000mg / kg。总体平均铅浓度为〜23,200mg / kg，但工厂内部土壤样品的平均铅含量比在工厂外部采集的平均铅含量高22倍。这些植物周围社区土壤样品中的算术平均铅浓度约为2600mg / kg。随着非洲铅蓄电池行业的不断发展，预计铅蓄电池回收厂的数量和规模将不断增长以满足预期需求。现在迫切需要解决周边社区的持续暴露问题，该行业的排放并规范场所关闭融资程序，以确保我们不会留下会影响整个非洲数百万社区的铅污染问题。 突出显示 • 在非洲的铅蓄电池回收设施中发现了土壤铅污染。 • 植物外部土壤中的平均铅浓度为2600mg / kg。 • 铅这些地点的污染对公众构成了重大健康风险。 • 这些工厂的铅污染表明有必要进行大量补救。

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