The USDA recommends that pressure canner lids be tested every year to ensure safety while canning. 

Schedule an appointment to have your pressure canner lid tested:

Schedule an appointment: https://go.osu.edu/2022greenecannertesting

Appointments are required, please schedule at the above link or call
Laura Halladay at 937-372-9971
There is a fee of $5.00 per lid