More than 2.8 million Arizona residents — or 44 percent of the state’s population — live within areas that are most vulnerable to a catastrophic accidental release of gaseous, and sometimes explosive hazardous chemicals. The toxic agents, which the EPA deems extremely hazardous, are stored in more than 100 facilities and, when released, can cause temporary blindness, searing pain, suffocation, and even death. Read more» 
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One year after a fertilizer plant explosion devastated the town of West, Texas, questions remain about the safety and security of hazardous chemical storage facilities. This includes Arizona’s largest ammonium nitrate facility, Apache Nitrogen, southeast of Tucson in St. David. It houses more than 80 million pounds of the chemical but didn’t disclose, as is required, its list of hazardous materials to local firefighters. Read more»
