Pure SteamPure Steam (clean steam) is used where the steam or its condensate would directly contact official articles or article-contact surfaces
Water for InjectionWFI is used as an excipient in the production of parenteral and other preparations where product endotoxin content must be controlled
Purified Water [PW]PW is used as an excipient in the production of nonparenteral preparations & in other pharma applications, such as cleaning of equipment.
Periodic Review and RequalificationRequalification shall be carried out to ensure the equipment should be maintained in a qualified state throughout the life-cycle of the same
Performance Qualification [PQ]To check the equipment etc. operates consistently & gives reproducibility within defined specifications & parameters, for prolonged periods