As input into the transport subroutine, the surface soil is represented as retaining all but 0.05% of bacteria and 0.1% of virus particles. The default fraction for transport of bacterial and viral pathogens through the unsaturated zone is 0.1%.
|Title||:||Pathogen Risk Assessment for Land Application of Municipal Sludge: User's manual|
|Author||:||United States. Environmental Protection Agency. Environmental Criteria and Assessment Office (Cincinnati, Ohio)|