A retrieval site comprises a retrieval server, a retrieval database and a registered fast-food shop database. The laboratory sample distribution system comprises a plurality of container carriers. The access delay is a delay from the initial random access attempt until access is granted. The back rest provides support for proper curvature of the spine in the thoracic and lumbar region, while also able to support a thermal pack. 043 \u03bcg or less per 1 cm2 surface area of the PSA sheet, when converted to SO42\u2212, in a gas generation test under which the PSA sheet is heated at 85\xb0 C.