|(a) As resources permit, local governments should strive
to store records under conditions that meet as many of the recommendations
of this section as practicable.
(b) Records should be stored in a building or storage
(1) has an operational fire suppression system;
(2) has adequate environmental controls:
(A) A maximum temperature of 70 degrees Fahrenheit
and a constant relative humidity of 45% with a maximum variance of
plus/minus 5% relative humidity in a 24-hour period should be maintained
in the storage area.
(B) Daily temperature/humidity checks should be conducted.
(C) Positive atmospheric pressure should be maintained
within the storage area.
(3) has a pest management program; and
(4) has appropriate shelving:
(A) Shelving should be constructed of metal or other
(B) The lowest shelf should be at least 4 to 6 inches
from the floor.
(C) Shelving should be arranged such that records are
at least 4 inches from the interior face of exterior walls.
(c) Records should be covered or housed in acid-neutral
boxes to protect them from deterioration.
(d) Ultraviolet filtering shields should be affixed
to any fluorescent lights or windows.
(e) If a Heating, Ventilation, and Air Conditioning
(HVAC) system is in use in a records storage area, it should not be
turned off and settings should not be changed for nights and weekends.