BS ISO 18923:2000

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Environmental conditions
5 Materials
6 Enclosures
7 Preparation
8 Storage housing
9 Storage rooms
10 Fire-protective storage
11 Identification, inspection, and cleaning
Annex A (informative) Numbering system for related
                      International Standards
Annex B (informative) Stability of cellulose triacetate base
Annex C (informative) Distinction between master tapes and
                      work copies
Annex D (informative) Temperature/relative humidity
                      relationship
Annex E (informative) Temperature and humidity
                      acclimatization
Bibliography
Table 1 - Maximum temperature and relative humidity for
          storage

Recommendations are provided concerning the storage facilities, enclosures, conditions and inspection for recorded polyester-base magnetic tapes in roll form. It covers digital and analog tape and includes tape for video, audio, computer and instrumentation use. Applicable to medium and extended-term storage of magnetic tape as specified in 3.18 and 3.7 and also applicable to magnetic- tape records intended as master tapes, which should not be in frequent use. Deviations (e.g. adverse conditions during shipment, handling or usage), from these recommendations, whether before or after recording, may result in shortened life expectancy. Not applicable to 'work' or 'use' copies (see informa tive annex C).

This International Standard provides recommendations concerning the storage conditions, storage facilities, enclosures, and inspection for recorded polyester-base magnetic tapes in roll form. It covers analog and digital tape and includes tape made for audio, video, instrumentation and computer use.

This International Standard is applicable to medium-term and extended-term storage of magnetic tape as defined in 3.18 and 3.7 and also is applicable to magnetic-tape records intended as master tapes, which should not be in frequent use.

Deviations from these recommendations, whether before or after recording, may result in shortened life expectancy. For example, adverse conditions during shipment, handling, or usage.

This International Standard is not applicable to \'work\' or \'use\' copies (see informative annexC).