180.5 mg/L = 180.5 ppm
| mg/L | ppm |
|---|---|
| 165.5 mg/L | 165.5 |
| 170.5 mg/L | 170.5 |
| 175.5 mg/L | 175.5 |
| 180.5 | 180.5 |
| 185.5 mg/L | 185.5 |
| 190.5 mg/L | 190.5 |
| 195.5 mg/L | 195.5 |
180.5 mg/L = 180.5 ppm
1 ppm = 1 mg/L (aqueous, density ≈ 1 kg/L) · 1 ppb = 0.001 mg/L · 1% = 10,000 ppm