8 Ill. Adm. Code 600.770
Maintenance of Equipment
Section
600.770 Maintenance of Equipment
As
used in G-UR.4.1 (Maintenance of Equipment) of the National Institute of
Standards and Technology Handbook 44, which is adopted in Section 8 of the Act,
for purposes of this Subpart, "predominantly" means as follows:
a) The
majority of the devices are found to be in error in a direction favorable to
the device user and the average error of all devices is in favor of the device
user by more than one-half maintenance tolerance; or
b) The
average error of any single product or grade is in favor of the device user by
more one-half maintenance tolerance.