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Freezers designed to store tissue and, less frequently, organs excised from cadavers during autopsy procedures at temperatures typically from 0 to -20 degrees Celsius (32 to -4 degrees Fahrenheit). These freezers are usually made with a corrosion-resistant (typically stainless steel) interior, minimizing the risk of adulteration, contamination, and/or corrosion of contents; the internal shelving is appropriate for storage and easy location of the tissue and/or organ containers; they are typically manufactured in a stand-alone, upright configuration, but some smaller units are available in an undercounter configuration. Postmortem freezers include automatic defrost capability, maintaining the temperature in the entire freezing chamber within preestablished limits during the process; they also include sensors, controls, monitors, and alarms for dependable long-term storage following laboratory storage standards. Freezers frequently meet security standards to keep forensic evidence valid for extended periods. They are used in autopsy rooms and in medical examiners\' offices.
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