Lead is a heavy metal. Airborne sources include some industrial discharges, such as at metal smelters and the removal of lead-based paint from buildings without proper safety precautions. Lead can harm the nervous system and hearing, and impair mental development. Before 1996, when petrol became lead free, some New Zealand sites experienced elevated lead concentrations.
- Con_mcg_m3 = Concentration in micrograms per cubic metre (μg/m3)
This dataset relates to the "Lead concentrations" measure on the Environmental Indicators, Te taiao Aotearoa website.
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