Quote:
Originally Posted by bwinchg
Use it away from work and that same handling procedure is required !!! The contradiction with "sand blasting" sand is that it doesn't have any hazardous chemicals but comes with acute health effects from a repeated, long term exposure over a lifetime - inhalation of very fine particles
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The harm comes when it is blasted through a nozzle at high pressure where it fractures upon impact creating clouds of dust if you breathe it unprotected without filtration or supplied air. In a shooting bag no dust is created, its un likely to create harmful clouds of dust from a sealed leather bag. You could lay on a pile of silica sand for weeks and it won't hurt you. The emissions from cartridge combustion coming out your barrel that you actually do breathe in while shooting is probably of far greater concern than the inert undisturbed sand inside a bag under your rifle. The sand isn't giving off dangerous levels of silica dust or off gassing harmful toxins when used as a shooting bag filler.