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 b. Action. Shore activities shall establish a program to replace the existing inventory of portable
pneumatic grinders and reciprocating saws with grinders and saws equipped with safety lock-off devices.
This conversion shall be accomplished by purchasing such tools equipped with safety lock-off devices to
replace existing grinders and saws as they are retired, except as prescribed below.
(1) Initiate immediate procurement to obtain a supply of new grinders and saws with safety lock-off
devices to be used on high-value work where inadvertent tool activation could cause significant material
damage.
(2) Issue directives, which specify that only portable pneumatic grinders and reciprocating saws
equipped with safety lock-off devices, shall be used on high-value work.
(3) Prohibit purchase of portable pneumatic grinders and reciprocating saws lacking safety lock-off
devices.
chemicals used to clean painted areas. Paint removers or strippers have additional special precautions,
which are listed in paragraph 2-25.
a. Solvent Cleaning. Personnel protection, fire prevention, and ventilation requirements for solvent
cleaning are the same as those specified for mixing and applying paint (see paragraph 2-13).
b. Chemical Cleaning. Chemical cleaning ferrous metal surfaces of surface ship bilges is approved for
use only on surface ships at shipyards and shall not be used at any other location. This method shall not
be used on or near aluminum.
c. Chemical Cleaning Materials. Chemical cleaning materials include sodium hydroxide (lye), sodium
gluconate, and detergent. Alkaline powders and solutions constitute an extreme personnel hazard if
improperly handled. Concentrating or heating solutions is ordinarily prohibited because it compounds the
danger. These solutions may permanently damage or burn the eyes, severely burn skin and damage
tissue, and cause death or severe injury if swallowed. Mists and dusts may severely irritate the eyes,
nose, and throat.
d. Caustic Solutions. Caustic solutions shall not be prepared or stored in wide-open steel tanks. The
tanks used for storage shall have a small tank opening and shall be closed during storage. Caustic
solutions shall be transferred through alkali-resistant pumps and lines. Entry into bilges containing caustic
solutions is prohibited. If entry is imperative, the caustic solution shall first be removed. Personnel shall
consult an Industrial Hygienist or Safety Personnel for safe entry measures, if entry is necessary.
e. Personnel Safety Precautions. Personnel shall be thoroughly instructed regarding the hazards of
using chemical cleaning materials. Personnel working in areas where chemical solutions are being used,
prepared, or transferred shall be dressed in clothing impervious to the chemicals. This includes splash
goggles or face shields. Treadle-actuated, whole-body showers and eyewashes shall be provided near
work areas where caustic solutions are prepared, used, or stored.
or more of the following hazards: fire, anesthetic, toxic, or caustic. Accident investigation results indicate
that extreme handling precautions are required because of these hazards and the number of different
formulations involved.
a. Paint Strippers and Removers. Paint strippers containing phenol are considerably more toxic than
most shipboard paints or solvents. Phenol is readily absorbed through the skin and may cause serious
illness, or even death, if not washed off promptly. In the case of phenol-containing paint removers
(manufacturers recommendations for safety equipment shall be observed by personnel using these
products), personnel protection includes, as a minimum, solvent-resistant synthetic rubber gloves and
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