https://safety-research.org/blog/ Plain-language writing on heavy metals in food, Proposition 65, and independent laboratory testing, from the Consumer Safety Research Center. en-us Wed, 19 Aug 2026 12:00:00 -0700 https://safety-research.org/blog/how-we-test/ https://safety-research.org/blog/how-we-test/ Wed, 19 Aug 2026 12:00:00 -0700 Every CSRC finding follows the same documented chain: a retail purchase, an accredited laboratory, a published exposure calculation, and an expert's signature. https://safety-research.org/blog/what-a-prop-65-warning-actually-means/ https://safety-research.org/blog/what-a-prop-65-warning-actually-means/ Wed, 19 Aug 2026 11:00:00 -0700 On a food label the warning means something specific — and its absence can mean more than its presence. https://safety-research.org/blog/lead-in-protein-powder/ https://safety-research.org/blog/lead-in-protein-powder/ Wed, 19 Aug 2026 10:00:00 -0700 Soil uptake, ingredient concentration, and scoop-sized servings: the ordinary mechanism behind a recurring finding. https://safety-research.org/blog/safe-harbor-levels-explained/ https://safety-research.org/blog/safe-harbor-levels-explained/ Wed, 19 Aug 2026 09:00:00 -0700 NSRLs, MADLs, the 1,000-fold safety factor, and why "over the limit" and "dangerous" are different claims. https://safety-research.org/blog/how-to-read-a-certificate-of-analysis/ https://safety-research.org/blog/how-to-read-a-certificate-of-analysis/ Wed, 19 Aug 2026 08:00:00 -0700 Accreditation, batch specificity, detection limits, and the difference between "not detected" and "not tested."