HMI: public knowledge and floors — page updateshttps://heavymetalcertified.com/ecosystem/hmiPublished revisions of this Heavy Metal Certified page.HMI: public knowledge and floorshttps://heavymetalcertified.com/ecosystem/hmihttps://heavymetalcertified.com/ecosystem/hmi#revision-aebeb6b2e92decaaTue, 15 Sep 2026 13:56:02 GMTHeavy Metal Index provides the public knowledge and standards context: DOI pathways, government floors, and occurrence evidence behind a requirement.