The Boundary Data Series form for Non-Cohesive Sediment Toxics boundary condition is identical with the general form discussed in External Forcing Data. There is an additional option Select Class to choose which non-cohesive sediment class individual toxic defined in Sediment Toxics and Sediment Bed Toxic Properties is the data assigned for.
Figure 1. Boundary Data Series form for Non-Cohesive SedimentToxics.