Table 1. Summary of sampling results from locations off Vancouver Island*.
| Sample type | BC mainland | Gulf Islands | Washington, USA | Oregon, USA | Total |
|---|---|---|---|---|---|
| Air | 196 | 91 | 11 | 6 | 304 |
| Negative | 191 | 91 | 11 | 6 | 299 |
| Positive (%) | 5 (3) | 0 | 0 | 0 | 5 (2) |
| Soil | 408 | 250 | 28 | 95 | 781 |
| Negative | 408 | 217 | 27 | 95 | 747 |
| Positive (%) | 0 | 33 (13) | 1 (4) | 0 | 34 (4) |
| Swab | 521 | 272 | 38 | 94 | 925 |
| Negative | 521 | 253 | 37 | 94 | 905 |
| Positive (%) | 0 | 19 (7) | 1 (3) | 0 | 20 (2) |
| Water | 15 | 6 | – | 2 | 23 |
| Negative | 15 | 5 | – | 2 | 22 |
| Positive (%) | 0 | 1 (17) | – | 0 | 1 (4) |
| Total | 1,140 | 619 | 77 | 197 | 2,033 |
| Negative | 1,135 | 566 | 75 | 197 | 1,973 |
| Positive (%) | 5 (0) | 53 (9) | 2 (3) | 0 | 60 (3) |
*BC, British Columbia.