Figure 6. Occupational/Industrial Limits of selected metals and the observed levels

From

Pollution Levels from Selected Manual Stone Crushing Units in North Central Nigeria and Their Health Effects

Oladele F. Anjorin, Mariam D. Solomon, Jaryum H. Kiri, Jonathan D. Dabak, Samuel Y. Gazuwa, Simon G. Mafulul, Raymond I. Daspan, Elizabeth O. Okoh, Isaac S. Laka, Jane-Rose Onche, Isa S. Wuti

Journal of Environment Pollution and Human Health. 2023, 11(2), 37-45 doi:10.12691/jephh-11-2-3