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Principles of Forensic DNA for Officers of the Court

Physical Facilities and Environment Conditions (cont.)

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For example, one of the pieces of scientific equipment widely used in DNA testing, the ABI 3500, generates heat during operation but requires a stable environmental temperature to give consistent results. The laboratory should ensure that the air conditioning (A/C) around the 3500 is adequate. This is sometimes achieved by isolating the equipment in a space with a local A/C unit.

Another example is the widespread use of freezers and refrigerators for sample and reagent storage.

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