- Certificate of Analysis
1. Visit www.waters.com and log in or register.
2. Click on the "Services & Support" tab.
3. Click on "Support Library" on the left-hand side of the screen.
4. Click on "Request Certificate of Analysis" on the right-hand side of the screen.
5. Enter the part number.
6. Enter the lot number.
7. Click "Submit".
The results should show one document.
If C of A document(s) are not available, you will be given an option to email Waters (see the specific email address given to you on that website if no documents come up).