The driver of a commercial tanker truck was killed following the wreck on I-10 southeast of downtown Tucson.
The driver of a commercial tanker truck was killed following the wreck on I-10 southeast of downtown Tucson.
The University of Arizona Tech Park was among the areas evacuated. Some schoolchildren in Rita Ranch were among those who sheltered in place, the Arizona Daily Star reported.
Nitric acid is used to make ammonium nitrate for fertilizers and in the manufacture of plastics and dyes.
The Centers for Disease Control and Prevention says nitric acid is a highly corrosive, colorless liquid with yellow or red fumes and can cause an acrid smell.
It says exposure to nitric acid can irritate the eyes, skin, and mucous membranes. Depending on the dosage, it also can also cause delayed pulmonary edema, pneumonitis, bronchitis, and dental erosion.
This hazardous crash comes as Ohio residents continue to raise concerns about the release of toxic chemicals on board a freight train that derailed Feb. 3 and left 50 cars in a fiery, mangled mess.
There were no injuries but officials later ordered the evacuation of the immediate area. Residents are worried about the potential health impacts from the wreckage.