Absorbs up to 10 times more than clay. Pour directly on spills and leaks for fast, thorough, effective cleanup of all liquids. Handles oils, acids, caustics, chemicals and toxic liquids with non-biodegradable, inert mineral particulate form. Absorbent clean up kits are certified free of respirable silica. Exceeds EPA landfill disposal requirements -- passes Paint Filter & TCLP test.