Table 2.
Number of guideline exceedances among total sample sizes (x/n) for 12 parent PAHs measured in the Steepbank (STB) and Ells Rivers in 2013–2014 using Phillips Tubes; data are available from https://www.canada.ca/en/environment-climate-change/services/oil-sands-monitoring/monitoring-water-quality-alberta-oil-sands.html, published in Droppo et al. (2018)
| PAH | ISQG (ng/g) | PEL (ng/g) | DL (ng/g) | ISQG | PEL | ||
|---|---|---|---|---|---|---|---|
| STB | Ells | STB | Ells | ||||
| Acenaphthenea | 6.71 | 88.9 | 20 | 13/13 | 11/11 | 0/13 | 0/11 |
| Acenaphthylenea | 5.87 | 128.0 | 20 | 13/13 | 11/11 | 0/13 | 0/11 |
| Anthracene | 46.90 | 245.0 | 20 | 0/13 | 0/11 | 0/13 | 0/11 |
| Benzo(a)anthracene | 31.70 | 385.0 | 20 | 1/13 | 0/11 | 0/13 | 0/11 |
| Benzo(a)pyrene | 31.90 | 782.0 | 20 | 4/13 | 4/11 | 0/13 | 0/11 |
| Chrysene | 57.10 | 862.0 | 20 | 4/13 | 7/11 | 0/13 | 0/11 |
| Dibenz(a,h)anthracenea | 6.22 | 135.0 | 20 | 13/13 | 11/11 | 1/13 | 3/11 |
| Fluoranthene | 111.00 | 2355.0 | 20 | 0/13 | 0/11 | 0/13 | 0/11 |
| Fluorene | 21.20 | 144.0 | 20 | 5/13 | 6/11 | 1/13 | 3/11 |
| Naphthalene | 34.60 | 391.0 | 20 | 3/13 | 4/11 | 1/13 | 2/11 |
| Phenanthrene | 41.90 | 515.0 | 20 | 2/13 | 4/11 | 1/13 | 1/11 |
| Pyrene | 53.00 | 875.0 | 20 | 0/13 | 0/11 | 0/13 | 0/11 |
Abbreviations: ISQG, Interim sediment quality guideline; PAH, polyaromatic hydrocarbon; PEL, probable effects level.
a
Compounds with detection limit exceeding the Guideline.