Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Effectiveness of ZeroWater® filters to remove arsenic and lead.
| EPA standard (ppb) | Pre-Filtration Concentration (ppb) | Post-Filtration Concentration (ppb) | % Removal | Average % Removal | |
|---|---|---|---|---|---|
| Arsenic | 10 | 21.39 | 0.06 | 99.73 | 98.98 |
| 10.33 | 0.11 | 98.92 | |||
| 13.93 | 0.01 | 99.96 | |||
| 13.64 | 0.37 | 97.30 | |||
| Lead | 15 | 66.30 | 0.10 | 99.85 | 99.37 |
| 21.26 | 0.24 | 98.89 |
