LANSING, Mich. (AP) — Michigan officials on Wednesday began raising public awareness of tougher sampling rules they expect to result in more drinking water systems exceeding limits for lead, a byproduct of new regulations enacted after Flint's crisis. Samples now have to be taken not only from the first liter drawn from a house with exterior or interior lead plumbing, but also the fifth liter. Leisl Clark, director of the state Department of Environment, Great Lakes and Energy, said the testing change will provide "more precision and more insight into what's actually happening in the homes."Read more on NewsOK.com