Non-Hazardous Secondary Material (NHSM) Guide for Waste/Non-Waste Determinations
Alternative Fuels from Biomass Sources (EGEE 439), Penn State University
Boilers & Unfired Pressure Vessels: Installation and Other Requirements, Pennsylvania Department of Labor and Industry
Design Assistance Manual for High-Efficiency, Low-Emissions Biomass Boiler Systems In Residential and Commercial Buildings, NYSERDA
Recommended Boiler Performance Specifications PA Fuels for Schools and Communities Group, October, 2017
