Metal | This study | Study in Ethiopia (in mg kg−1) | Study in other county (in mg kg−1) | USEPA stand (mg kg−1)f | EU Reg (mg kg−1)g | ||||
---|---|---|---|---|---|---|---|---|---|
Bulbulaa | Keraa | Addis Ababa Cityb | Tinishu Akakic | USA studyd | China studye | ||||
Cd | 14.7–307.8 | 0.71 | 0.44 | 0.56–5.9 | 0.12–1.61 | NA | 0.02–0.33 | 85 | 3 |
CO | 72.2–1685.7 | 27.95 | 43.00 | 25–34 | NA | NA | NA | 0.3–200 | 50 |
Cr | 82.8–1003.7 | 81.00 | 115 | 70–561 | 86.3–15790 | 6.59 –208 | 19.3–150 | 3000 | 100 |
Ni | 10.8–1086.6 | 74.13 | 115 | 33–46 | 47.3–200.6 | 2.44–69.4 | 7.73–70.9 | 75 | 50 |
Pb | 192.2–3041.3 | 46.74 | 110 | 17–852 | 20.3–325.4 | 4.62–55.4 | 9.95–56.0 | 420 | 100 |