Nearly half of the tap water in the United States is contaminated by PFAS chemicals, or per-and poly-fluoroalkyl substances, a recent report alarmed. The U.S. Environmental Protection Agency has ...
For the past 10 years, monitoring ultrapure water (UPW) systems with a legacy standard of 50 nm sensitivity has been successful and efficient. Particle counts at 50 nm are widely used to evaluate UPW ...
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