Environmental Concerns 645 Chemical storage on site Are underground storage tanks used Number How long in service Material stored Material of construction Leak tested Above ground storage tank Number How long in service Material stored Material of construction Waste piles Size/volume How long used Material How contained Hazardous/toxic wastes generated on site How are wastes handled on site/off site treatment ership history Regulatory/environmental history Accident history Environmental problemsEnvironmental Concerns 645 Chemical storage on site Solid Liquid Gas Are underground storage tanks used Number How long in service Volume Material stored Material of construction Leak tested Above ground storage tanks Number How long in service Volume Material stored Material of construction Leak tested Waste piles Size/volume How long used Material How contained Hazardous/toxic wastes generated on site How are wastes handled on site/off site treatment Disposal-How Site ownership history Regulatory/environmental history Spills history Accident history Environmental problems