189.5 mg/L = 189.5 ppm
| mg/L | ppm |
|---|---|
| 174.5 mg/L | 174.5 |
| 179.5 mg/L | 179.5 |
| 184.5 mg/L | 184.5 |
| 189.5 | 189.5 |
| 194.5 mg/L | 194.5 |
| 199.5 mg/L | 199.5 |
| 204.5 mg/L | 204.5 |
189.5 mg/L = 189.5 ppm
1 ppm = 1 mg/L (aqueous, density ≈ 1 kg/L) · 1 ppb = 0.001 mg/L · 1% = 10,000 ppm