DEQ investigators have narrowed down the source of gasoline odors in a Layton City neighborhood to petroleum products in the groundwater.
By Rhonda Thiele and Jeanne Riley If you heard the news reports last week about an oily sheen floating in Mill Creek, you probably also heard that it was traced back to a nearby storm drain. Sampling of the area near 3300 South and 700 East in Salt Lake City showed that the sheen came…