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Butte-Silver Bow Health Department 25 W. Front St., Butte MT 59701-2801 (406) 497-5020 Fax: (406) 497-5095 http://www.co.silverbow.mt.us/135/Health Prevent. Promote. Protect. Thermometer Calibration Log Calibrate thermometers frequently by inserting the sensing area into a container of ice water. Allow the indicator to stabilize. It should read 32 F while in the container. Date Time Temperature Corrective Action ---PAGE BREAK---