Physical Integrity of Evidence
Evidence-drying Cabinet
Image courtesy of Tri-Tech Inc.
Southport, NC
Whether centralized or decentralized within the laboratory, all evidence storage facilities must maintain the physical integrity of the evidence, to include provision for the following:
- Basic environmental controls for temperature and humidity
- Alarm systems for unauthorized entry (motion, vibration, and sound detection)
- Video coverage of sensitive areas
- Fire alarm and sprinkler systems
- Refrigeration for certain types of evidence
- Protection from floods
- Protection from pests
- Storage located under a secure roof, particularly in storm-threatened areas
- Fume hood, as appropriate to preserve evidence
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