Figure 3 | Scientific Reports

Figure 3

From: Identification of heavy metal pollutants and their sources in farmland: an integrated approach of risk assessment and X-ray fluorescence spectrometry

Figure 3

HQ and HI of HMs related to children (a), CR and TCR of HMs related to children (b), in eight villages. Red horizontal reference lines represent the corresponding classification criteria (1 for HQ and HI, and 1.0 × 10–4 for CR and TCR). Boxes represent the 25th and 75th percentiles, whiskers represent the 5th and 95th percentiles, and the hollow circles represent means.

Back to article page