| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| allowable carbon monoxide ppm | 1.18 | 0.9 | 816 | 84 | 29 |
| allowable | 1.7 | 0.9 | 4641 | 79 | 9 |
| carbon | 1.91 | 0.8 | 252 | 32 | 6 |
| monoxide | 0.11 | 0.9 | 7169 | 41 | 8 |
| ppm | 1.93 | 0.3 | 106 | 76 | 3 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| allowable carbon monoxide ppm | 1.25 | 0.7 | 8044 | 70 |
