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Lead and nickel concentrations (mg/kg) in eye make-ups. Suggested safe levels of Gondal et al. (0.5 ppm), Expert Panel 2007 (0.2 ppm), and Germany (1 ppm). Suggested safe levels of nickel: Gondal et al. (5 ppm), Basketter et al. low limit level (1 ppm), and Basketter et al. high limit level (5 ppm).
