GALVA, Iowa (AP) — The CEO of a processing plant in northwest Iowa has released more details about an explosion that caused a small fire. KTIV-TV in Sioux City Reports Mark Schuett of American Natural Processors says Wednesday’s fire happened after material being tested by employees at the American Natural Soy plant near Galva caught fire. Schuett says the equipment was being prepped for oil seed processing and soy protein production. The fire department was contacted as a precaution although employees were able to contain the flames. No injuries were reported and fire damage is estimated at less than $1,000. The plant sits about three miles south of Galva, in Ida County.