Heat Value of Refuse Compositional analyses Bu/b=49R+22.5G+P)-3.3W Using regression analysis and comparing the results to actual measurements of heat value Bu/l=1238+15.6R+4.4P+2.7G-20.7W R-plastics,percent by weight,on dry basis P- paper,percent by weight,on dry basis G food wastes,percent by weight,on dry basis water,percent by weight,on dry basis UNEP Heat Value of Refuse Compositional analyses Using regression analysis and comparing the results to actual measurements of heat value R= plastics, percent by weight, on dry basis P= paper, percent by weight, on dry basis G= food wastes, percent by weight, on dry basis W= water, percent by weight, on dry basis