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  1. Hace 5 días · Exposure to environmental chemicals and cancer risk: epidemiological evidence from Japanese studies. Exposure to certain chemicals in the environment may contribute to the risk of developing cancer. Although cancer risk from environmental chemical exposure among general populations is considered low compared ...

  2. Hace 4 días · This Video is about the science behind what's in Artificial Dyes, MSG, and Artificial flavors and what it does to us every day. I hope this video is helpful ...

  3. www.epa.gov › reviewing-new-chemicals-under-toxic-substances-control-act-tscaFact Sheet: Nanoscale Materials | US EPA

    Hace 5 días · Chemical substances that have structures with dimensions at the nanoscale -- approximately 1-100 nanometers (nm) -- are commonly referred to as nanoscale materials or nanoscale substances. A human hair is approximately 80,000-100,000 nanometers wide. These chemical substances may have properties different than the same chemical substances with ...

  4. en.wikipedia.org › wiki › AsbestosAsbestos - Wikipedia

    Hace 3 días · Asbestos (/ æ s ˈ b ɛ s t ə s, æ z-,-t ɒ s / ass-BES-təs, az-, -⁠toss) is a naturally occurring fibrous silicate mineral.There are six types, all of which are composed of long and thin fibrous crystals, each fibre (particulate with length substantially greater than width) being composed of many microscopic "fibrils" that can be released into the atmosphere by abrasion and other processes.

  5. Hace 5 días · Updates are available for the EPA's Strategy to Reduce Lead Exposures and Disparities in U.S. Communities. Contact Us to ask a question, provide feedback, or report a problem. Learn about the health effects of lead, who is at risk, how to test for lead in paint or other areas of your home, how to find or become a lead-safe certified firm, and ...

  6. Hace 3 días · Mercury (element) rhombohedral ( hR1) Mercury is a chemical element; it has symbol Hg and atomic number 80. It is also known as quicksilver and was formerly named hydrargyrum ( / haɪˈdrɑːrdʒərəm / hy-DRAR-jər-əm) from the Greek words hydor (water) and argyros (silver). [8]

  7. Hace 3 días · Safe and sustainable by design chemicals and materials - Methodological guidance ID 21936 | 27.05.2024 This Methodological Guidance clarifies some aspects of the voluntary application of the ‘safe and sustainable by design’ (SSbD) framework for chemicals and materials. It combines the disciplines… Leggi tutto