Specifications include, but are not limited to: A. Noise levels Inside the chamber may not exceed 85 dBA. B. Specify environmental cold rooms Furnished as a complete functional unit. o Assembly: All metal and other materials shall be shaped and sized as required with all angles sharp and true. All surfaces shall be finished smooth. Permanent connections shall be riveted or bolted. All exposed welds shall be ground smooth and flush with adjacent surfaces. o Panel Construction: The room shall be constructed of prefabricated metal skinned urethane panels, with exterior surfaces constructed of WHITE STUCCO ACRYLUME, and interior surfaces constructed of PLAIN STUCCO ACRYLUME. The panels shall be constructed of high quality components with 100 percent of each panel exclusive of its metal supports as being comprised of urethane insulation. Panels shall have tongue and groove construction with vinyl stripping fitted on the exterior and interior of each panel to provide moisture and vapor tight gasketing. Each of the rooms corners shall be performed 90 degree angles.