Fig. 2From: Potentially toxic element (PTE) levels in maize, soil, and irrigation water and health risks through maize consumption in northern Ningxia, ChinaProbability exceeding 1 of HI (a: all inhabitants, b: male, c: female) and 10−4 of R (d: all inhabitants, e: male, f: female). The black area represents the exceeding probabilities, which were 0.62, 0.22, 1.17, 8.23, 5.12 and 10.46% for a, b, c, d, e and f, respectivelyBack to article page