In 2004, Oregon health officials began investigating whether perchlorate, a rocket fuel chemical present in some of the state's water wells, "might be creeping into the breadbasket region's produce and dairy milk." Their conclusion, based on "limited food sampling," is that "perchlorate doesn't pose a health danger to area residents." But records obtained by The Oregonian reveal that the Northwest Food Processors Association "urged top state health administrators to kill the food study," claiming