Perhaps your facility has a well-established oil analysis program that is providing great results, but are you utilizing all of the information available in the reports? If everything in a report is correct and within the specifications, do you do anything else with the information? Do you still allow the time-based preventive maintenance work order to change the oil and filter? If you answered “yes” to this question, you could be wasting thousands if not hundreds of thousands of dollars per year on unnecessary oil changes. You could also be introducing human error and creating more problems through this needless maintenance.