136.5 mg/L = 136.5 ppm
| mg/L | ppm |
|---|---|
| 121.5 mg/L | 121.5 |
| 126.5 mg/L | 126.5 |
| 131.5 mg/L | 131.5 |
| 136.5 | 136.5 |
| 141.5 mg/L | 141.5 |
| 146.5 mg/L | 146.5 |
| 151.5 mg/L | 151.5 |
136.5 mg/L = 136.5 ppm
1 ppm = 1 mg/L (aqueous, density ≈ 1 kg/L) · 1 ppb = 0.001 mg/L · 1% = 10,000 ppm