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 ...

Microplastics (MPs), plastic debris smaller than 5 mm, indirectly harm the environment. They are traditionally collected and removed from water by filtering through meshes, which is inefficient.

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 ...

When I ask friends and family why they don’t drink tap water in LA, they give the same vague answer: It’s chlorinated, gross and probably unhealthy. For years, that explanation sufficed, so I did what ...