Biocides (II) Refined aquatic environmental riskassessment of 28 priority biocides

摘要

This report contains a refined risk assessment for the aquaticenvironment of a "rest"group of 93 non-agricultural pesticides: definedas such as they do not fit into one of the five policy spearheads onbiocides of the Dutch government. The active ingredients and theirapplications are combined to c. 50 substance-specific applications(SSAs). This refined aquatic risk assessment reveals that a total of 26SSAs is still considered to be potentially (very) hazardous. The groupcontains mainly slimicides, liquid-cooling system preservatives andsanitary disinfectants. Regarding this group of biocides the policymaking might focus at: availability of (refined)scenarios; usefulness of(refined) scenarios; validation of scenario calculations with monitoringdata of process water and effluent. Outside this group of 26 SSAs, thereare some focus points as well: an important bottleneck is that there areno models for biocides in the food and feed area, whereas large amountsof them can probably be used in that area.