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Triangle Region Solid Waste Planners Committee Household Hazardous Waste <br /> October 28, 1993 <br /> E. Disposal (coned) <br /> The estimated number of pounds per county per year is based on volumes received at <br /> recent HHW collection programs held in the cities of Durham, Raleigh and Winston- <br /> Salem (see Recent Program History Chart) and was calculated as follows: <br /> #f of Pounds of Waste received per category from cities combined divided by: <br /> Total Population of the Cities combined <br /> multiplied by: The population of each county <br /> For example: <br /> Based on the following 1991 population figures: <br /> City of Durham - 100,831 Durham County - 152,785 <br /> Raleigh - 149,771 Orange County - 77,055 <br /> Winston-Salem - 131,885 Chatham County - 33,415 <br /> Wake County - 300,883 <br /> For the Incineraton-Lab Pack Category: <br /> 1,120 lbs. + 1.695 lbs. + 1,840 lbs. = .012 <br /> 100,831 + 149,771 + 131,885 <br /> The estimated number of pounds per county per year would be: <br /> Durham County 152,785 x .012 = 1,833 lbs. <br /> Orange County 77,055 x .012 = 925 lbs. <br /> Chatham County 33,415 x .012 = 401 lbs. <br /> Wake County 300,883 x .012 = 3,610 lbs. <br /> By using this method the average participation rates are automatically accounted for and <br /> the estimated number of pounds per category per year for each county is based on actual <br /> volumes received at collection programs from comparable North Carolina areas. <br /> Laidlaw Environmental Services <br /> 22 <br />