574.5 mg/L = 574.5 ppm
| mg/L | ppm |
|---|---|
| 559.5 mg/L | 559.5 |
| 564.5 mg/L | 564.5 |
| 569.5 mg/L | 569.5 |
| 574.5 | 574.5 |
| 579.5 mg/L | 579.5 |
| 584.5 mg/L | 584.5 |
| 589.5 mg/L | 589.5 |
574.5 mg/L = 574.5 ppm
1 ppm = 1 mg/L (aqueous, density ≈ 1 kg/L) · 1 ppb = 0.001 mg/L · 1% = 10,000 ppm