| Location | Contamination Level | References |
| Beaches, Madagascar | 0.16/m2 | Gjerdseth (2017) |
| Shoreline, Antarctica | 1.3/m2 | Barnes and Milner (2005) |
| Beaches, Britain | 6.04/m2 | Marine Conservation Society (2014) |
| Beaches, Sicily of Italy | 53.36/m2 | Allsopp et al. (2006) |
| Beach, India | 68.83/m2 | Jayasiri et al. (2013) |
| Beach, South Korea | 473/m2 | Heo et al. (2013) |
| Beaches, coastline of Cameroon | 641.1/m2 | This study |
| Shoreline, Indonesia | 846.81/m2 | Allsopp et al. (2006) |
| Heungnam Beach | 976/m2 | Lee et al. (2013) |
| Beach Poris, Spain | 2509.66/m2 | Reinold et al. (2020) |