11 1 3.7 MICRO CHANNEL USED IN ASST DERIVATION 22 2 ASST DERIVATION USED DATTIME DATA 33 3 COMPARISON OF ASST AGAINST PREVIOUS" EQUIVALENT PASS PERFORMED 44 4 COMPARISON OF ASST AGAINST WEEKLY AVERAGE" OF ASST PERFORMED 55 5 66 6 COMPARISON OF RATE OF CHANGE OF ASST AGAINST" STATIC TRESHOLD PERFORMED 77 7 MISSING VALUE 8