load =1rio
pause
restrict dna
cpk off
pause
define O_Sug {*.O?' and dna}
select O_Sug
cpk 50%
pause
select O_Sug
cpk off
define O_PO4 {*.OP? and dna}
select O_PO4
cpk 50%
pause
select O_PO4
cpk off
define N {*.N? and dna}
select N
cpk 50%