- Make a schedule of calibration in factory monthly
- Do Calibration of Instrument in laboratory and production section
- Do Inspection for good manufacturing practice periodly
- Make a purchase request for calibration standar as external calibration
- Monitoring of Pest Control in Factory monthly
- Do verification of balance and pH meter in Laboratory periodly
- Make a fixed procedure of calibration
- Monitoring particle contamination in green area (Class E and Class A Area) by particle counter "Met One" periodly.