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Many times, someone comes up to me after my presentation and says, "I just learned that I've been testing the wrong way." Our industry has sponsored a lot of education about testing and, thankfully, more concrete is being tested all the time. But too often, the tests are being performed incorrectly.
George Donnelly, a professional inspector from California who does a lot of moisture testing, confirmed this. "I regularly talk to persons that have either performed tests without properly preparing test sites, created too few test sites, tested in buildings that are not properly acclimated or not recorded pertinent data to place in job files," he says.