Mycoremediation of contaminated ash and a qualitative preliminary aquatic invertebrate composition assessment at an inactive incinerator site in Powell River, British Columbia
Two aspects of the site were reviewed and a preliminary study was done to determine further restoration tactics. An initial qualitative survey of aquatic invertebrates of two converging streams (one sourced from the site and one not) was done for brief comparative purposes and a mycological study was conducted using the ash from the site. Four strains of basidiomycete fungi (Pleurotus cystidiosus, Schizophyllum commune-9034, Schizophyllum commune-6328 and Phlebiopsis gigantea) were cultured and used to inoculate a substrate of toxic ash from the former Powell River incinerator site to determine the usefulness of mycoremediation in restoring the site. A bioassay using Alnus rubra was used as an indicator of the success of the treatments. McFall Creek (which runs along the edge of the site) had a slightly greater pollution tolerance index value than MaGuff Creek (6.17 and 5.98, respectively). It is recommended that more rigorous testing be conducted in the streams and in the tributary running into Mcfall Creek at various times of the year and in times of drought as well as high water reaches upstream and downstream of the site.