ACTIVITIES UNDERTAKEN AT THE FACILITY DURING THE PERIOD OF OWNERSHIP BY GREAT WESTERN INORGANICS CONSIST PRIMARILY OF THE MANUFACTURING AND STORAGE OF HUNDREDS OF CHEMICALS, MANY OF WHICH WERE HAZARDOUS SUBSTANCES. IT IS CLEARLY DOCUMENTED THAT HAZARDOUS SUBSTANCES, INCLUDING ARSENIC AND SELENIUM, WERE RELEASED AT THE SITE. THE EXPENDITURES RELATED TO THE GWI FACILITY TOTAL $649,372.