187.5 mg/L = 187.5 ppm
| mg/L | ppm |
|---|---|
| 172.5 mg/L | 172.5 |
| 177.5 mg/L | 177.5 |
| 182.5 mg/L | 182.5 |
| 187.5 | 187.5 |
| 192.5 mg/L | 192.5 |
| 197.5 mg/L | 197.5 |
| 202.5 mg/L | 202.5 |
187.5 mg/L = 187.5 ppm
1 ppm = 1 mg/L (aqueous, density ≈ 1 kg/L) · 1 ppb = 0.001 mg/L · 1% = 10,000 ppm