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The design of a soil sample storage room that has been in operation since 1954 is described. The room provides a storage environment with a constant temperature of 55 °F and relative humidities of 90 – 97 percent. It is of wood frame construction, lined with copper sheeting, forming a watertight interior. The desired temperature and humidities are obtained by running water down the walls of the room and circulating it through a heat exchanger. The preparation of samples for storage and the effect of storage times on soils are discussed.
soils, design, storage room, constant temperature, humidity, samples, storage time
Research officer, National Research Council of Canada, Ottawa, Ont.