Koppers Inc.

Ashcroft, BC · Organization as named in National Pollutant Release Inventory (NPRI) – facility data, 2024

Emissions (1)

Date	Record	Value	How this was linked
2024	Koppers Ashcroft Wood preservation · Ashcroft · BC · NPRI 5184 Top substances: Naphthalene (1.5 t), Acenaphthene (0.8 t), Phenanthrene (0.6 t)	3.4 t	Exact normalized name + same province

Source: National Pollutant Release Inventory (NPRI) – facility data, 2024 — Environment and Climate Change Canada · Licence: Open Government Licence – Canada 2.0 · retrieved 2026-10-18 · Official source ↗

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