St. Helens Chronicle. The St. Helens woman has been missing for two weeks. Her boyfriend, currently in the Lane County jail for other offenses, is now considered a person of interest. Police are currently searching for St. Helens woman, Cheryl Hart, who has been missing for nearly two weeks.
First, there are typically two varieties, or species, of arsenic in water: arsenic 3 and arsenic 5.. This is significant because arsenic 3 is very difficult to remove from water and must be changed or oxidized to arsenic 5 before it can be removed.
Arsenic has no odor and is almost tasteless. Arsenic and its compounds have a variety of commercial uses. Manufacturers use arsenic to make other metals, glass, electronic components, and wood preservatives. Arsenic occurs naturally in some Wisconsin drinking water supplies.alcium supplements made from seashells may also contain high levels of arsenic. Arsenic has been found in private drinking wells throughout Wisconsin. Homes that are near waste sites where paint, pesticides or electronic components are disposed of may also have arsenic in the drinking water.