Table 1. A total of 37 samples were collected of three product-types; Chibwantu, Mabisi and Munkoyo in various towns across Zambia (Figure 1C).
| SampleID | Product type | pH | Town | |
| 1 | Chibw-1 | Chibwantu | 4.2 | Mumbwa |
| 2 | Chibw-1B | Chibwantu | 4.2 | Mumbwa |
| 3 | Chibw-2 | Chibwantu | 4.2 | Mumbwa |
| 4 | Chibw-3 | Chibwantu | 4.5 | Mumbwa |
| 5 | Chibw-4 | Chibwantu | 4.3 | Mumbwa |
| 6 | Chibw-5 | Chibwantu | 4.4 | Mumbwa |
| 7 | Chibw-6 | Chibwantu | 4.0 | Monze |
| 8 | Chibw-7 | Chibwantu | 3.8 | Choma |
| 9 | Chibw-8 | Chibwantu | 3.8 | Choma |
| 10 | Unza-6 | Chibwantu | 3.8 | Lusaka |
| 11 | Chibw-9 | Chibwantu | 4.0 | Lusaka |
| 1 | Mabisi-1 | Mabisi | 4.5 | Mumbwa |
| 2 | Mabisi-2 | Mabisi | 4.4 | Mumbwa |
| 3 | Mabisi-3 | Mabisi | 4.5 | Mumbwa |
| 4 | Mabisi-1B | Mabisi | 4.4 | Mumbwa |
| 5 | Mabisi-2B | Mabisi | 4.5 | Mumbwa |
| 6 | Mabisi-3B | Mabisi | 4.3 | Mumbwa |
| 7 | Mabisi-5 | Mabisi | 4.2 | Monze |
| 8 | Mabisi-6 | Mabisi | 4.0 | Zimba |
| 9 | Mabisi-6B | Mabisi | 4.0 | Zimba |
| 10 | Mabisi-7 | Mabisi | 4.0 | Choma |
| 11 | Mabisi-8 | Mabisi | 4.0 | Choma |
| 12 | Mabisi-9 | Mabisi | 4.0 | Choma |
| 13 | Mabisi-10 | Mabisi | 4.0 | Choma |
| 1 | Munkoyo-1 | Munkoyo | 3.5 | Mufulira |
| 2 | Munkoyo-2 | Munkoyo | 3.5 | Mufulira |
| 3 | Munkoyo-4 | Munkoyo | 3.5 | Mufulira |
| 4 | Munkoyo-5 | Munkoyo | 3.5 | Mufulira |
| 5 | Munkoyo-6 | Munkoyo | 3.5 | Mufulira |
| 6 | Munkoyo-7 | Munkoyo | 3.5 | Mufulira |
| 7 | Munkoyo-8 | Munkoyo | 3.5 | Mufulira |
| 8 | Munkoyo-9 | Munkoyo | 3.6 | Choma |
| 9 | Unza-1 | Munkoyo | 4 | Lusaka |
| 10 | Unza-2 | Munkoyo | 3.8 | Lusaka |
| 11 | Unza-3 | Munkoyo | 3.8 | Lusaka |
| 12 | Unza-4 | Munkoyo | 3.8 | Lusaka |
| 13 | Unza-5 | Munkoyo | 4.0 | Lusaka |
Immediately after sampling, the pH of the sample was measured.