(a) An inspection of stored original microfilm must be conducted in accordance with the following standards:
  (1) ANSI IT9.11;
  (2) ANSI/AIIM MS45; and
  (3) ANSI/NAPM IT9.1.
(b) When inspection is done, the sample of microfilm to be inspected for each storage room or vault, if more than one, must be 1/1000th of the total volume of stored microfilm or at least 100 microforms (rolls, jackets, microfiche, aperture cards, COM, etc.) whichever is greater. Sampling procedures must be established that will assure that all parts of the group of microfilm are represented.
(c) An inspection of stored microfilm must be conducted every two years, except if the microfilm has been stored under temperature and/or humidity conditions other than those specified in these sections, it must be inspected yearly.
(d) Containers used to store the film must be inspected for evidence of rust, corrosion, or other deterioration and replaced, if needed.
(e) Original microfilm must be inspected on a light box with rewinds or comparable equipment which will not scratch the film.
(f) If deterioration is found, a more extensive inspection must be conducted to locate all deteriorating film.
(g) Any deteriorating film must immediately be removed from the storage area and the problem corrected before returning the film to storage.

Source Note: The provisions of this §7.27 adopted to be effective June 12, 1996, 21 TexReg 4990.