The maintenance tolerances for barley pearlers used in performing official inspection services shall be:

ItemTolerance
Timer switch:
0 to 60 seconds±5 seconds, deviation from standard clock
61 to 90 seconds±7 seconds, deviation from standard clock
Over 90 seconds±10 seconds, deviation from standard clock
Pearled portion±1.0 gram, mean deviation from standard barley pearler using barley