Juan Manuel (Marquez?)
Dudes, you will not learn if you will keep asking. Why don’t you create first on your own and post it here for advise and comments.
When you are preparing the test report, you can use API 650 for reference. You can get more details of vacuum testing in API 650 (Clause 8.6 VACUUM TESTING).
Dont dig the web to much,,,you will feel disappointed to see Manny Pacquio there. :