| Sample stations | Sampling points | Distance (m) | Sampled points co-ordinates | |
| Northing (N) | Easting (E) | |||
| Trans-Amadi abattoir | TA1 | 0 | 4˚48'49.431 | 7˚2'43.097 |
| TA2 | 20 | 4˚48'50.102 | 7˚2'44.885 | |
| TA3 | 50 | 4˚48'51.555 | 7˚2'42.203 | |
| TA4 | 100 | 4˚48'53.175 | 7˚2'42.929 | |
| TA5 | 200 | 4˚48'53.734 | 7˚2'43.991 | |
| Rumuokoro | RM1 | 0 | 4˚52'11.915 | 6˚59'56.614 |
| RM2 | 20 | 4˚52'12.056 | 6˚59'57.886 | |
| RM3 | 50 | 4˚52'12.904 | 6˚59'59.159 | |
| RM4 | 100 | 4˚52'14.176 | 6˚59'55.342 | |
| RM5 | 200 | 4˚52'16.579 | 6˚59'56.473 | |
| Rukpoku | RK1 | 0 | 4˚53'11.006 | 7˚0'3.816 |
| RK2 | 20 | 4˚53'10.96 | 7˚0'4.334 | |
| RK3 | 50 | 4˚53'11.328 | 7˚0'5.046 | |
| RK4 | 100 | 4˚53'11.891 | 7˚0'4.92 | |
| RK5 | 200 | 4˚53'11.741 | 7˚0'3.989 | |
| Elelenwo | EL1 | 0 | 4˚50'29.042 | 7˚3'53.283 |
| EL2 | 20 | 4˚50'25.018 | 7˚4'1.975 | |
| EL3 | 50 | 4˚50'32.217 | 7˚3'58.185 | |
| EL4 | 100 | 4˚50'33.733 | 7˚4'3.111 | |
| EL5 | 200 | 4˚50'36.007 | 7˚3'57.428 | |