As compared with the first level of the ambient air quality standard (GB3095-2012, 0.5 μg m −3 day −1 ), the concentrations of TSP-Pb and PM10-Pb were both lower than the standard, and first exhibited an increasing trend and then a decreasing trend from July to August.
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Screening of Leafy Vegetable Varieties with Low Lead and Cadmium Accumulation Based on Foliar Uptake.
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