Charles City, Floyd County, Iowa. GRL Law discovered that the preliminary breath test calibration logs for Floyd County Sheriff’s Office did not comply with the Iowa requirements and had not complied for many months. Because of this, we were able to save the full and commercial driving privileges of two separate clients and also successfully resolved their criminal cases with simple misdemeanor offenses. It pays to conduct thorough investigations of every case. Licensed saved! Operating While Intoxicated charges avoided!