Uncontaminated surface material close to an area where physical evidence has been deposited is known as
Question and options
Uncontaminated surface material close to an area where physical evidence has been deposited is known as
- Standard Control
- Reference Sample
- Original Material
- Substrate Control
Answer and explanation
Correct answer: D - Substrate Control
An unstained sample of the surface (substrate) near where the evidence lies, collected to check for interference from the background material, is a substrate control.
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