1. Contamination of a starting material or of a product by another material or product must be avoided. This risk of accidental cross-contamination arises from the uncontrolled release of dust, gases, vapours, sprays or organisms from materials and products in process, from residues on equipment, and ...

• Clean rooms shall be designed and classified into different grades according to the type of activity performed. • Clean rooms should be maintained with proper cleanliness standards and the supplied air should pass through a series of filters of proper efficiency. • Cleanliness levels should be ...

1. Install dedicated HVAC systems with appropriate filters in all process areas. 2. Install suitable airlock with pressure differential. 3. Air intake should not be located near wet drains, air exhaust or dust sources. 4. Air supply and exhaust points should not be so close or so disposed that it restricts ...