Military manual · MCRP 12-10B.1
MCRP 12-10B.1, page 255
Military Operations on Urbanized Terrain (MOUT)
Marine Corps Reference Publication: Military Operations on Urbanized Terrain (MOUT)
…Its smoke is not toxic but can cause choking in heavy
concentrations.
(1) The grenade’s explosion, bright flash, smoke, and burning WP particles all combine to
make the M34 one of the most effective psychological…