The coolies, earth-coloured and mute, crouched reverently some twenty or thirty yards away, and the Babu, the slack of his thin gear snapping like a marking-flag in the chill breeze, stood by with an air of happy proprietorship.
Inhaling crystalline silica can lead to serious, sometimes fatal illnesses including silicosis, lung cancer, tuberculosis (in those with silicosis), and chronic obstructive pulmonary disease (COPD). In addition, silica exposure has been linked to other illnesses including renal disease and other cancers.
The âdangerousâ part of DE is the amount of crystalline silica that is in it. Filter grade is 65% crystalline silica while food grade is less than 1/10 of 1%! The world health org. has said that diatomaceous earth is safe to breathe as long as the crystalline content is under 2%.