| Sea Water | Drinking Water 1 (Hard Water) | Drinking Water 2(A) (Soft Water) | Drinking Water 2(B) (Soft Water) | Forest Water 1 (Upper Reach) | Forest Water 2 (Middle Reach) | Forest Water 3 (Lower Reach) |
Sampling Point
Sub-Stances | Kobe City, Japan | Nancy City, France | Kameoka City, Japan | Melbourne City Australia | Kameoka City, Japan | Kameoka City, Japan | Kameoka City, Japan |
TH (mg/L) | 50 → 40 | 1468 → 50 | 30 → 10 | 10 → 0 | 10 → 0 | 20 → 0 | 50 → 20 |
pH | 9.0 → 9.0 | 7.4 → 7.4 | 7.5 → 7.0 | 5.0 → 5.5 | 7.5 → 7.0 | 7.5 → 7.0 | 8.0 → 7.5 |
COD (mg/L) | 8 → 0 | 5 → 0 | 5 → 0 | 5 → 0 | 0 → 0 | 0 → 0 | 4 → 0 |
Ca2+ (mg/L) | 35 → 25 | 468 → 50 | 35 → 25 | 5 → 0 | 12.5 → 12.5 | 25 → 12.5 | 50 → 25 |
Mg2+ (mg/L) | 31 → 20.5 | 74.5 → 41 | 8.2 → 4.1 | 4.1 → 0 | 0 → 0 | 8.2 → 0 | 8.2 → 4.1 |
SiO2 (mg/L) | 0.5 → 0.5 | 8 → 5 | 100 → 0 | 10 → 5 | 15 → 15 | 15 → 10 | 15 → 10 |
(mg/L) | 0.65 → 0.26 | 0.26 → 0.26 | 0.26 → 0.26 | 0.65 → 0.26 | 0.26 → 0.26 | 0.26 → 0.26 | 0.26 → 0.26 |
(mg/L) | 0.33 → 0.17 | 0 → 0 | 0.033 → 0 | 0 → 0 | 0 → 0 | 0 → 0 | 0.066 → 0.033 |
(mg/L) | 8.6 → 4.3 | 2.2 → 2.2 | 8.6 → 4.3 | 8.6 → 4.3 | 0 → 0 | 0.86 → 0.86 | 4.3 → 2.2 |
(mg/L) | 0 → 0 | 0 → 0 | 0 → 0 | 0.3 → 0.3 | 0 → 0 | 0.15 → 0.06 | 0.3 → 0.15 |
BOD (mg/L) | 3 → 0 | 2 → 0 | 3.5 → 0 | 1 → 0 | 1 → 0 | 1.5 → 0 | 2.5 → 0 |
Na+ (mg/L) | 7500 → 5900 | 21 → 30 | 6.2 → 5.5 | 8.6 → 8.0 | 5.3 → 5.2 | 5.2 → 6.1 | 9.8 → 6.7 |
K+ (mg/L) | 370 → 380 | 4.1 → 4.7 | 1.3 → 1.3 | 1.3 → 1.2 | 0.6 → 0.6 | 0.6 → 0.6 | 2.8 → 2.0 |