-7- 



Table 1. - Capital Costs at Start of Composting (1975) 



Item 



Aeration equipment 



Dayton Model 7C-504 Centrifical Blower, 1/3 Horsepower . , $ 73.00 



Paragon Model JW30-0, 120v Timer 25.00 



Fan Box 



Plywood 10.00 



Louver 3.00 



Paint 2.00 



Labor 25.00 



Double 120v receptacle 1.00 



Wire and plastic conduit (150 ft.) 75.00 



Main breaker box and breaker 10.00 



Total for each blower 224.00 



Monitoring equipment - temperature 



YSI Telethermometer, Model 42SC 200.00 



Thermistor Probe, YSI#403 30.00 



Total 230.00 



Monitoring equipment - oxygen 



Dynapump portable vacuum pump. Model 12 75.00 



IBC single sensor oxygen meter 235.00 



IBC #210-002 oxygen sensor (10 ft. lead) 85.00 



Construction of probe 50.00 



Total 445.00 



TOTAL CAPITAL COSTS $899.00 



Probe housed in 1/2 inch diameter galvanized pipe to reach center of pile. 



