Liam,
Thank you for your advice. You further clarified it for me.
>Hi Elgin,
>
>Wrap the entire condition in a
single NOT, eg
>
>
IF !(("PCB" $ UPPER(fluid)) OR ("PYRANOL" $ UPPER(fluid)) OR ("WECOSOL" $ UPPER(fluid)))
> Do Case stuff
>Else
> Do other stuff
>Endif
>
>Regards,
>
>Liam
>