tache de sève

CONT: (...) composés chimiques (...) utilisés pour la prévention de la tache de sève des produits du bois (...)

CONT: The Antisapstain Chemical Waste Control Regulation under the B.C. Waste Management Act provides limits on release into the environment of chlorophenol, TCMTB, and copper-8. ... These compounds, used to control sapstain fungi in wood products, are toxic to fish and aquatic life, and have been detected at hazardous levels in discharges to British Columbia waters.