Service manual

STP 11-25R13-SM-TG
T - 12
(9) Germicidal lamps and other ultraviolet sources.
b. All of the above sources can be dangerous when viewed directly and are particularly hazardous
when used in projector systems (collimating optics) or filtered to reduce the visible spectrum. The
following minimum precautionary measures must be followed:
(1) Do not view any high intensity source with the naked eye that causes discomfort.
(2) Viewing of any high intensity infrared source without protective eyewear is prohibited even
though no discomfort is experienced. The sensory system of the eye will not detect hazardous levels of
infrared radiation.
(3) Maintenance personnel who must directly view high intensity sources will wear protective
eyewear of optical density specified in the operational and maintenance manual, or as directed by Health
Service personnel.
(4) Personnel must comply with warnings published in technical manuals.
(5) Properly located placards with appropriate warnings will be used in areas where high intensity
optical radiation sources may cause eye injury.
NOTE: Carbon arcs generate ozone and oxides of nitrogen. Carbon arc work
should be done in a well-ventilated area having at least 10 general room air
changes per hour. Local exhaust ventilation at the rate of at least 100 feet per
minute from the source of contamination is effective in reducing toxic gaseous
contamination for safe operation. If the operator is exposed to the arc, skin and
eye protection must be worn.
T-19. Lasers.
Personnel working with lasers will comply with TB MED 279. Local commanders are responsible for
the development and adherence to laser standing operating procedures (SOP). The laser safety officer
will be informed of all laser operations; operating personnel will comply with his recommendations.
Personnel in the vicinity of a high-power laser (TB MED 279 and AR 40-46) will wear approved safety
masks or goggles to protect the eyes. The safety masks or goggles will be capable of attenuating or
filtering wavelengths at which the laser operates. An interlock will be installed on doors leading into the
room in which a high-power laser is operated to insure that firing cannot be conducted when the doors
are open. Personnel operating lasers will observe the precautions set forth in TB MED 279 and as
directed below:
a. First Aid.
(1) First aid should not be attempted for damage produced by laser energy to human eye tissues;
therefore, prompt reporting to medical treatment facilities is imperative for known or suspected laser
injuries.
(2) Each laser facility will be evaluated by safety personnel and by medical personnel (AR 40-5).
As part of the evaluation, the installation surgeon will provide guidance to the supervisor of the facility or
activity for the preparation of first-aid instructions and training related to injuries other than those to eye
tissues.