Diatomaceous Earth packaged in the following ways: 1) Perma-Guard, Fossil Shell Flour, Anti-caking agent, Food Chemical Codex Grade, Weight: 50 lb/22.6 kg, Bountiful, UT; 2) 100% Food Grade Diatomaceous Earth, Shell Flour, Packaged by: Earthworks Health, Norfolk, NE, Net Weight 2.5 Pounds 3) 100% Food Grade Diatomaceous Earth, Shell Flour, Packaged by: Earthworks Health, Norfolk, NE, Net Weight 10 pounds Class I - Dangerous Product contains elevated levels of lead, arsenic, and chromium: potentially harmful metals. Dec 4, 2018 Other Foods Nationwide View Details →