Table 3 Statistically analyzed water estimated daily intake (EDI) and hazard quotient (HQ) of nitrate concentration for children, teenagers, and adults during the study period (2007–2018).
From: Human health risk of nitrate in groundwater of Tehran–Karaj plain, Iran
Year | Statistical index | EDI | HQ | ||||
|---|---|---|---|---|---|---|---|
Children | Teenager | Adult | Children | Teenager | Adult | ||
2007 | Mean | 1.8 | 1.3 | 1.0 | 1.1 | 0.8 | 0.6 |
Max | 5.8 | 4.1 | 3.3 | 3.6 | 2.6 | 2.1 | |
2008 | Mean | 1.8 | 1.3 | 1.0 | 1.1 | 0.8 | 0.6 |
Max | 6.9 | 4.8 | 3.9 | 4.3 | 3.0 | 2.4 | |
2009 | Mean | 1.9 | 1.4 | 1.1 | 1.2 | 0.9 | 0.7 |
Max | 7.7 | 5.5 | 4.4 | 4.8 | 3.4 | 2.7 | |
2010 | Mean | 1.8 | 1.3 | 1.0 | 1.1 | 0.8 | 0.6 |
Max | 8.4 | 6.0 | 4.8 | 5.3 | 3.7 | 3.0 | |
2011 | Mean | 1.6 | 1.2 | 0.9 | 1.0 | 0.7 | 0.6 |
Max | 6.7 | 4.7 | 3.8 | 4.2 | 3.0 | 2.4 | |
2012 | Mean | 1.5 | 1.1 | 0.9 | 1.0 | 0.7 | 0.5 |
Max | 5.1 | 3.6 | 2.9 | 3.2 | 2.3 | 1.8 | |
2013 | Mean | 1.6 | 1.1 | 0.9 | 1.0 | 0.7 | 0.6 |
Max | 3.9 | 2.7 | 2.2 | 2.4 | 1.7 | 1.4 | |
2014 | Mean | 1.8 | 1.3 | 1.0 | 1.2 | 0.8 | 0.7 |
Max | 6.7 | 4.7 | 3.8 | 4.2 | 3.0 | 2.4 | |
2015 | Mean | 1.7 | 1.2 | 1.0 | 1.1 | 0.8 | 0.6 |
Max | 7.4 | 5.2 | 4.2 | 4.6 | 3.3 | 2.6 | |
2016 | Mean | 1.9 | 1.3 | 1.1 | 1.2 | 0.8 | 0.7 |
Max | 6.9 | 4.8 | 3.9 | 4.3 | 3.0 | 2.4 | |
2017 | Mean | 1.9 | 1.3 | 1.1 | 1.2 | 0.8 | 0.7 |
Max | 6.3 | 4.5 | 3.6 | 4.0 | 2.8 | 2.2 | |
2018 | Mean | 1.6 | 1.1 | 0.9 | 1.0 | 0.7 | 0.6 |
Max | 3.9 | 2.7 | 2.2 | 2.4 | 1.7 | 1.4 | |
