Other Information : Do not allow run -off from fire fighting to enter drains or wate r courses. 5.4. Reference to Other Sections Refer to Section 9 for flammability properties. SECTION 6: ACCIDENTAL RELEASE MEASURES 6.1. … Precautions for Safe Handling Additional Hazards When Processed : Cutting, crushing, sanding or grinding of crystalline silica -bearing materials will release respirable crystalline silica.