308.5 mg/L = 308.5 ppm
| mg/L | ppm |
|---|---|
| 293.5 mg/L | 293.5 |
| 298.5 mg/L | 298.5 |
| 303.5 mg/L | 303.5 |
| 308.5 | 308.5 |
| 313.5 mg/L | 313.5 |
| 318.5 mg/L | 318.5 |
| 323.5 mg/L | 323.5 |
308.5 mg/L = 308.5 ppm
1 ppm = 1 mg/L (aqueous, density ≈ 1 kg/L) · 1 ppb = 0.001 mg/L · 1% = 10,000 ppm