https://heavymetalcertified.com/standards/cannabis-concentratesPublished revisions of this Heavy Metal Certified page.https://heavymetalcertified.com/standards/cannabis-concentrateshttps://heavymetalcertified.com/standards/cannabis-concentrates#revision-223aefb242ee8943Mon, 21 Sep 2026 04:04:58 GMTThe Heavy Metal Tested & Certified heavy-metal-safety standard for cannabis concentrates and extracts (Cannabis, Hemp, and CBD Products), evaluated on the finished concentrate/extract as sold. Because a concentrate may be ingested, inhaled, or applied, each limit is the strictest sovereign cannabis heavy-metal action level across those routes; total chromium is a screening ceiling with hexavalent chromium as the binding control, and inorganic arsenic, methylmercury and Cr(VI) are enforced by reflex speciation.