Wood preservation facilities, creosote: chapter D, table 23

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Table 23. Additional Recommended Disposal Practices for Creosote Contaminated Wastes

(Use in conjunction with Part I, Chapter A - General Recommendations for All Wood Preservatives, Table 23.)

Waste category	Examples	Recommendations
Liquid creosote or creosote/oil solutions	Preservative work solutions Material skimmed from oil separators Drips from freshly treated lumber	Collect and reuse (standard practice at creosote/oil plants). Recover and reuse (successfully demonstrated at some oil-borne plants).
Liquid creosote/water solutions	Condensates Washwaters Infiltrating waters	Treat to remove oil and creosote to within regulatory limits. Reuse retrieved oil and creosote, e.g., from gravity separation. Dispose of treated waters as per regulatory requirements.
Contaminated solid wastes	Debris and bottom sludge from storage tanks, sumps and pressure cylinders Soils contaminated by spills Cleanup absorbents	Drain and/or drum, store and dispose of in accordance with provincial regulatory requirements (high-temperature thermal destruction is considered a feasible disposal option).
Miscellaneous solid wastes	Scraps, cuttings and shavings from creosote-treated lumber	Dispose of in sanitary landfills (subject to approval by the municipal and/or provincial regulatory agency).
Contaminated storm runoff	Any storm runoff or contaminated liquid discharge that is determined to be toxic to fish at the point of discharge (toxicity is determined by bioassay tests of specific discharges)	Prevent or minimize contamination of storm runoff to the greatest possible extent. Monitor surface water discharges (in consultation with the provincial regulatory agency) to assess contaminant concentrations and to determine the need for control.
Firefighting water runoff	As above (contaminated storm runoff)	Consider containment provisions in areas where creosote and creosote/oil solutions are present. Consult the provincial regulatory agency to determine acceptable disposal practices.

Note: Consult the provincial and/or local regulatory agency for any specific requirements.

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2017-09-10