164.5 mg/L = 164.5 ppm
| mg/L | ppm |
|---|---|
| 149.5 mg/L | 149.5 |
| 154.5 mg/L | 154.5 |
| 159.5 mg/L | 159.5 |
| 164.5 | 164.5 |
| 169.5 mg/L | 169.5 |
| 174.5 mg/L | 174.5 |
| 179.5 mg/L | 179.5 |
164.5 mg/L = 164.5 ppm
1 ppm = 1 mg/L (aqueous, density ≈ 1 kg/L) · 1 ppb = 0.001 mg/L · 1% = 10,000 ppm