Trihalomethanes

Trihalomethanes

Trihalomethanes (THMs) Trihalomethanes  (THMs) are in many water supplies , especially municipal water supplies where it may be formed as a by-product of the reaction of chlorine and organic matter.  The amount of THM formation is based upon several factors including:...
Pesticides & Herbicides

Pesticides & Herbicides

Pesticides & Herbicides What Are Pesticides & Herbicides? Though often misunderstood to refer only to insecticides, the term pesticide also applies to herbicides, fungicides, and various other substances used to control pests. Many of household items contain...
Polychlorinated Biphenyls

Polychlorinated Biphenyls

Polychlorinated Biphenyls (PCBs) Polychlorinated biphenyls (PCBs) are a group of organic chemicals which can be odorless or mildly aromatic solids or oily liquids. They were formerly used in the USA as hydraulic fluids, plasticizers, adhesives, fire retardants, way...