429.5 mg/L = 429.5 ppm
| mg/L | ppm |
|---|---|
| 414.5 mg/L | 414.5 |
| 419.5 mg/L | 419.5 |
| 424.5 mg/L | 424.5 |
| 429.5 | 429.5 |
| 434.5 mg/L | 434.5 |
| 439.5 mg/L | 439.5 |
| 444.5 mg/L | 444.5 |
429.5 mg/L = 429.5 ppm
1 ppm = 1 mg/L (aqueous, density ≈ 1 kg/L) · 1 ppb = 0.001 mg/L · 1% = 10,000 ppm