Do not get dust or liquids into eyes. Have eye washing facilities available when using products. These products are generally not hazardous during normal use. These guidelines are provided for special circumstances involved in machining , use and or after service removals. See section 7 for after service and section 13 for disposal recommendations.
Materials are stable.
No information available. Silica is naturally occurring and widely distributed in igneous rock. Secondary deposits in sedimentary rock may be found. No information regarding any negative effects of this persistence has been noted. In most cases these materials may be landfilled safely.