&PTRACERS_PARM01
 PTRACERS_numInUse=1,
# tracer 1 
 PTRACERS_advScheme(1)=30,
 PTRACERS_diffKh(1)=5.E3,
 PTRACERS_diffKr(1)=5.E-5,
 PTRACERS_initialFile(1)='trinit1',
 /