Respondent operates a facility where it processes fish to produce ingredients used by pet food manufacturers. The Facility is located in a designated industrial area within approximately 300 feet (0.05 mile) of JFK Memorial Highway, less than 500 feet (0.09 mile) from the nearest residence, and approximately 600 feet (0.11 mile) from Buzzard’s Bay. At the time of the violations alleged herein, a worst-case release of ammonia from the Facility could have seriously injured people off-site. At the time of the EPA inspection, 8,400 pounds of ammonia and 1,007 pounds of sulfuric acid were present at the Facility.