Test room design considerations, booth space designs, lighting, etc.
1) Sensory Evaluation Techniques (Gail Civille), Chapter 3, Controls for Test Room, Panel, and Products.
2) ISO 8589:2007 Sensory analysis -- General guidance for the design of test rooms.
3) ASTM MNL60, Physical Requirement Guidelines for Sensory Evaluation Laboratories (2nd edition) ASTM $$$
Some helpful documents might include...
This document supplements EN ISO/IEC 17025, and provides specific guidance on the accreditation of sensory testing laboratories for both assessors and laboratories preparing for accreditation. European Co-op Accreditation.
The related TIS ISO/IEC 17025 Standard.