Research Article

Determination of the Selected Heavy Metal Content and Its Associated Health Risks in Selected Vegetables Marketed in Bahir Dar Town, Northwest Ethiopia

Table 9

ILCR and the cumulative cancer risk value (∑ILCR) of heavy metals through the consumption of vegetables.

Types of samplesILCR value of each heavy metal (mg·kg−1)
PbCdCr∑ILCRUS-EPA limits (mg·kg−1)c

Potatoes7.08E − 068.37E − 056.28E − 047.18E − 04
Tomatoes3.83E − 061.11E − 046.65E − 047.79E − 04
Onions4.20E − 069.11E − 056.27E − 047.22E − 04
Cabbages4.13E − 06BDL6.23E − 046.27E − 04ILCR < 1 × 10−6a
Carrots7.08E − 061.10E − 036.38E − 041.75E − 03ILCR <1 × 10−4b
Beetroots4.20E − 068.62E − 056.18E − 047.08E − 04
Lettuce4.15E − 06BDL6.40E − 046.44E − 04
∑ILCR3.47E − 051.47E − 034.44E − 035.95E − 03
CSFoc0.00850.380.5

a = US-EPA recommended safe limit (ILCR < 1 × 10−6); b = threshold risk limit (ILCR < 1 × 10−4; source: c = US-EPA, 2015.