How to Run Macro on Specific Sheet Only

Question

I have this block of code:

Sub Clean_Data()

    Columns("K:K").Select
    Selection.Delete Shift:=xlToLeft
    Range("J2").Select
    ActiveCell.FormulaR1C1 = "BAU"
    Range("J3").Select
    ActiveWindow.ScrollColumn = 12
    ActiveWindow.ScrollColumn = 26
    ActiveWindow.ScrollColumn = 33
    Columns("AO:BE").Select
    Selection.Delete Shift:=xlToLeft
    Range("AO13").Select
    ActiveWindow.ScrollColumn = 1
End Sub

I would like it to run on a specific sheet only. I tried doing it using With but nothing seems to work. Can you anyone help out?

Thanks!