If clothes are contaminated, they should not be washed along with uncontaminated clothing. "Pure oat" refers to oats uncontaminated with other gluten-containing cereals. The EPA estimates that 30% of all Navajo people lack access to uncontaminated drinking water. This would facilitate the availability of uncontaminated water for domestic, industrial, and irrigation needs. Many 18th-century folklorists attempted to recover the "pure" folktale, uncontaminated by literary versions. One side on the Park is dedicated to uncontaminated nature. Tin(II) sulfate is a convenient source of tin(II) ions uncontaminated by tin(IV) species. "Spontaneous mutations" occur with non-zero probability even given a healthy, uncontaminated cell. Eyewitnesses are often unsuspecting of the interrogator bias and believe their memories to be uncontaminated. The compressor must be set up so that it gets uncontaminated air to the intake. A total of of uncontaminated ground were transferred to the OLRA. It also combined war literature with the figure of the soldier-peasant, uncontaminated by the city.