You might assume that once a chemical is found to be toxic, it gets regulated and products swap the chemical out for safer options. However, a substitution chemical can be...

All laboratory testing instruments and methods have an inherent minimum detection level–a concentration below which an instrument fails to measure something reliably. If you’re doing a laboratory water test then...

We are exposed to harmful substances each day. As our environment changes and we spend more time indoors, our health risks change as well. Learn all about your indoor exposures–from...

In our second installment of The Dirt on Soil, we take a look at arsenic-contaminated soil. This guide explains how people get exposed to arsenic in soil, what arsenic means...

Soil: It's a complex amalgamation of organic material, water, minerals, and living organisms. Unfortunately, humans have (often unintentionally) made dirt “dirty.” Lead is one of the contaminants that can pollute...

Have you ever brought home a brand new pet fish, only to have it turn belly-up as soon as you get it into its tank? Unfortunately, this is an all-too-common occurrence...

In this second installment of our “Unfiltered Series,” we take a look at air filtration technology. We examine fiberglass filters, pleated and polyester filters, and HEPA filters. Our critical look...

Whether or not you have seen her eponymously-titled film, Erin Brockovich's environmental efforts deserve attention. As a passionate environmental activist, she is determined to remain a spokesperson for those suffering from environmental...