substance 'cTR1' active
   description        'Conservative tracer 1'
   concentration-unit '(g/m3)'
   waste-load-unit    '-'
end-substance

substance 'cTR2' active
   description        'Conservative tracer 2'
   concentration-unit '(g/m3)'
   waste-load-unit    '-'
end-substance

substance 'cTR3' active
   description        'Conservative tracer 3'
   concentration-unit '(g/m3)'
   waste-load-unit    '-'
end-substance

substance 'dTR1' active
   description        'Decaying tracer 1'
   concentration-unit '(g/m3)'
   waste-load-unit    '-'
end-substance

substance 'dTR2' active
   description        'Decaying tracer 2'
   concentration-unit '(g/m3)'
   waste-load-unit    '-'
end-substance

substance 'dTR3' active
   description        'Decaying tracer 3'
   concentration-unit '(g/m3)'
   waste-load-unit    '-'
end-substance

parameter 'RcDecTR1'
   description   'decay rate tracer1 for AGE calculations'
   unit          '(1/d)'
   value          0.1000E-01
end-parameter

#parameter 'RcDecTR2'
#   description   'decay rate tracer2 for AGE calculations'
#   unit          '(1/d)'
#   value          0.1000E-01
#end-parameter

parameter 'RcDecTR3'
   description   'decay rate tracer3 for AGE calculations'
   unit          '(1/d)'
   value          0.1000E-01
end-parameter

active-processes
   name  'Age1' 'Age of water from source 1'
   name  'Age2' 'Age of water from source 2'
   name  'Age3' 'Age of water from source 3'
end-active-processes