PFAS, or “Forever Chemicals
Per- and polyfluoroalkyl substances (PFAS) are a large group of man-made chemicals that have been used in industry and consumer products worldwide since the 1940s. PFAS are found in a wide range of consumer products, such as non-stick cookware, water-repellent clothing, stain-resistant fabrics and carpets, cosmetics, firefighting foams, and products that resist grease, water, and oil. Due to their widespread use and persistence in the environment, PFAS contamination has become a concern for drinking water systems globally. Here’s a list of the top 10 PFAS commonly found in drinking water and why they are of concern:
Top 10 PFAS Commonly found in drinking water
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1. PFOA (PERFLUOROOCTANOIC ACID)CONCERNS
Associated with potential adverse human health effects, including developmental issues, cancer, liver damage, immune effects, and thyroid disruption.
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2. PFOS (PERFLUOROOCTANESULFONIC ACID)CONCERNS
Like PFOA, PFOS exposure is linked to similar health risks, including changes in cholesterol levels, developmental effects, and potential carcinogenic effects.
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3. PFNA (PERFLUORONONANOIC ACID)CONCERNS
Studies suggest potential links to kidney and liver toxicity, developmental issues, and reproductive harm.
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4. PFHXS (PERFLUOROHEXANESULFONIC ACID)CONCERNS
Less is known about PFHxS compared to PFOA and PFOS, but it is associated with immune system effects and changes in liver enzymes and thyroid hormones.
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5. PFBS (PERFLUOROBUTANESULFONIC ACID)CONCERNS
Considered less bioaccumulative than longer-chain PFAS, but concerns include thyroid hormone disruption and potential developmental toxicity.
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6. PFHXA (PERFLUOROHEXANOIC ACID)CONCERNS
Research is emerging, but there is concern about its potential for liver toxicity and developmental effects.
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7. PFPEA (PERFLUOROPENTANOIC ACID)CONCERNS
Early studies indicate potential reproductive and developmental toxicity, with further research needed.
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8. PFBA (PERFLUOROBUTANOIC ACID)CONCERNS
One of the shorter-chain PFAS with potential effects on the liver, kidney, and thyroid, though less is known compared to longer-chain compounds.
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9. PFHPA (PERFLUOROHEPTANOIC ACID)CONCERNS
Limited studies suggest potential impacts on developmental and reproductive health, with ongoing research to understand its effects fully.
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10. PFDA (PERFLUORODECANOIC ACID)CONCERNS
Exposure may lead to liver damage, developmental effects, and alterations in lipid metabolism and immune response.
Why Are They of Concern?
PERSISTENCE
BIOACCUMULATION
HEALTH EFFECTS
WATER CONTAMINATION
REDUCE FOREVER CHEMICALS IN YOUR FAMILY’S WATER TODAY.
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