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ORC TECHNICAL BULLETIN # 11.2 <br /> Oxygen Release Compound, ORCa <br /> Cost Comparison <br /> Chemical Oxygen Sources <br /> Assumptions: <br /> Plume Characteristics <br /> 1 5 ppm dissolved phase BTEX Plume width of 100 ft with seepage velocity of <br /> 5 ft/day <br /> 2 15 feet to groundwater and 15 foot contaminated saturated zone No floating <br /> product <br /> 3 Oxygen Carbon Ratio = 3 1 <br /> Product Characteristics <br /> • 1 ORC with patented time-release feature lasts 180 days <br /> 2. Uncontrolled Ca02 lasts 20 days. _ <br /> Costs <br /> COMPOUND Material Changeout Disposal Total/Yr <br /> Ca02 $8,647 $18,000 $18,000 $44,647 <br /> ORC $7,728 $ 2,000 $22000 $11,728 <br /> • R EG E N ES 1 S ------------------------------------------..__ <br /> Bioremediation Products 27130A Paseo Espada, Ste 1407, San Juan Capistrano, CA 92675 <br /> Phone 714-443-3136 Fax 714-443-3140 <br />