QUAL2KW version 6
qual2kw60b08a07_ivf.zip is the FORTRAN source code for version 6 of QUAL2Kw.
The release version including the Excel file and the executable is available at this link: https://ecology.wa.gov/Research-Data/Data-resources/Models-spreadsheets/Modeling-the-environment/Models-tools-for-TMDLs