High-nickel tree nuts (walnuts, pine nuts, Brazil nuts, chestnuts) — HMTc Standard — page updateshttps://heavymetalcertified.com/standards/tree-nuts-high-nickelPublished revisions of this Heavy Metal Certified page.High-nickel tree nuts (walnuts, pine nuts, Brazil nuts, chestnuts) — HMTc Standardhttps://heavymetalcertified.com/standards/tree-nuts-high-nickelhttps://heavymetalcertified.com/standards/tree-nuts-high-nickel#revision-e7823808864a2050Mon, 21 Sep 2026 04:04:58 GMTThe Heavy Metal Tested & Certified standard for High-nickel tree nuts (walnuts, pine nuts, Brazil nuts, chestnuts) (Nuts, Seeds, and Their Butters), stated as sold. Each analyte carries the strictest applicable government maximum level in the product's native basis, with a disclosed read-across or a mandatory control where no government regulates the exact product.