v2.1 May 2017 Recommended care, maintenance and use of DVDs. according to BS 4783 : 1993 recommendations Recommendations for storage, handling, cleaning and general maintenance of DVDs Environment DVDs should not be kept in an environment where rapid changes of temperature and/or humidity may occur, for example, near humidifier/dehumidifier units. Exposure to direct sunlight may cause permanent damage to DVDs and their recorded data, and should be avoided. When not in use DVDs should be stored in suitably designed storage cases. Handling Care should be taken with the DVD when loading into or extracting from, the drive and case. When handling a DVD, only the extreme edges and the centre hole should be held. The recorded surface of the DVD should not be touched. DVDs should not be exposed to extreme heat or direct sunlight. Cleaning and maintenance If the recorded surface of a DVD becomes contaminated, for example, by fingerprints, the disk surface should be cleaned by gently wiping from the centre of the disk to the edge using a clean, lint-free cloth moistened with cleaning fluid. Information in accordance with Storage, transportation and maintenance of media for use in data processing and information storage, BS 4783 : 1993, BSI, 1993.