Calibration of Measuring and Test Equipment (M&TE) at DOE Nuclear Facilities"> Calibration of Measuring and Test Equipment (M&TE) at DOE Nuclear Facilities">
Department M&TE storage areas should be authorized
by the maintenance manager. All equipment should be
stored in a manner that assures integrity is maintained
and unintended contamination is minimized.
Equipment in these storage areas should be identified
as to its current status, per Section 18.104.22.168 of this
guideline. The M&TE storage areas should provide
sufficient separation of the ready-to-use equipment
(calibrated and restricted use) from other equipment
(expired) to preclude inadvertent use.
The environment of M&TE storage areas should be
controlled to preclude any adverse effect on equipment
Environmental factors that should be
considered include, but are not limited to, temperature,
electromagnetic interference, and fumes.
Security of the M&TE storage area should be
maintained by designated individuals responsible for
control of measuring and test equipment. In the
absence of these individuals, the storage area should be
locked with access controlled by the responsible
department manager and/or supervisor.
Instruments used on sy stems that contain oil, brackish
water, etc., should be cleaned thoroughly after each
Restrictions on M&TE Use
The use of equipment containing mercury should be
prohibited on nuclear-related sy stems and should be
restricted to absolute necessity on all other sy stems.
In applications where a caustic environment is present,
the use of aluminum material in contact with the
process liquid should be prohibited.
Oil-free stainless steel components (e.g., tubing, valves,
Bourdon tubes, and pressure cells) should normally be
used in nuclear applications.
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