Wall type | Structure ID | Respective pH values | Mean pH | Standard deviation |
---|---|---|---|---|
Smooth cement wall | SC1–SC15 | 10; 9; 9; 9; 10; 10; 10; 10; 9; 9; 9; 9; 9; 9 | 9.3 | 0.48 |
Smooth painted cement walls | SPC1–SPC15 | 9; 9; 9; 9; 9; 9; 9; 9; 9; 9; 10; 10; 9; 10; 9; 9 | 9.2 | 0.41 |
Smooth mud walls | SM1–SM15 | 6; 6; 8; 6; 5; 5; 6; 6; 6; 6; 8; 6; 8; 6; 6 | 6.2 | 1.12 |