The Calculating Recordable Standard Threshold Hearing Shifts excel sheet is a downloadable product. First, you will need to save this file to your computer as a template. Second, you will save the template to each employee file if they are in the Hearing Conservation Program. Third, the current year is always compared to the Baseline audiogram. The Baseline is either the first audiogram or the year when the test shows a significant improvement. Fourth, you will save the template in his or her file by year, open it the following year and save as the current year.