The Columbiana County Health District on Tuesday announced the second application period for the new Expanded Potable Water Sampling Program outside of the East Palestine priority zones will begin ...

The second application period for potable water sampling in Columbiana County will begin again on New Year’s Day. To be ...

The program will begin on Thursday, January 1, and those wishing to participate must submit their applications to the ...

It's not feasible to contact every member of the population, so only a sample, or a subset, of that population is included when conducting statistical research. The assumption is that the sample is ...