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Development of a Web-Based, Emissions Reduction Calculator for Storm Water/Infiltration Sanitary Sewage Separation
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This paper presents the procedures developed to calculate the electricity savings and emissions reductions from the infiltration of storm water into sanitary sewage separation using a two-step regression method: one step to correlate the gallons of wastewater treated to the rainfall, and a second step that correlates the gallons of wastewater treated to the electricity consumed during a given period. The procedure integrates ASHRAE’s Inverse Model Toolkit (IMT) for the weather-normalization analysis and the EPA’s Emissions and Generations Resource Integrated Database (eGRID) for calculating the NOx emissions reductions for the electric utility provider associated with the user.
Liu, Z.; Haberl, J. S.; Brumbelow, K.; Culp, C.; Gilman, D.; Yazdani, B. (2006). Development of a Web-Based, Emissions Reduction Calculator for Storm Water/Infiltration Sanitary Sewage Separation. Energy Systems Laboratory (http://esl.tamu.edu). Available electronically from