| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| allowable arsenic in drinking water | 1.94 | 0.3 | 1501 | 64 |
| allowable arsenic levels in drinking water | 0.52 | 0.1 | 9989 | 66 |
| amount of arsenic in drinking water | 0.62 | 0.6 | 2904 | 64 |
| arsenic limit in drinking water ppm | 0.28 | 0.7 | 4537 | 95 |
| epa limit for arsenic in drinking water | 0.43 | 0.8 | 2797 | 95 |
| safe arsenic levels in water | 1.85 | 0.2 | 4536 | 37 |
| acceptable arsenic levels in water | 0.58 | 0.4 | 6985 | 8 |
| permissible limit of arsenic in water | 1.31 | 0.1 | 1308 | 25 |
| max levels of arsenic in water | 0.97 | 0.4 | 4447 | 21 |
| how much arsenic in water is safe | 0.65 | 0.4 | 6095 | 27 |
