Division 8.2.5.3 Development and emergence in Chironomus riparius

The active substance shall be applied to the water overlying sediment and effects on survival and development of Chironomus riparius, including effects on emergence of adults, shall be measured to provide endpoints for those substances considered to interfere with insect moulting hormones or that have other effects on insect growth and development. The EC₁₀ and EC₂₀ shall be reported together with the NOEC.