... biomass-based waste and byproduct fuels (e.g., wood, spent pulping liquors, chips, sawdust, bark). Despite its large use of biomass-based fuels, the paper manufacturing industry is the fourth ... either sold as chemical intermediates, consumed onsite as boiler fuel, or disposed of as solid waste. Tables 2-4 through 2-9 summarize the various air emissions, effluents, residuals, wastes, ... Process Process Air Emissions Process Effluents Wastes, Residuals, or Byproducts Papermaking Possible formaldehyde emissions from urea or melamine formaldehyde resins used for wet strength;...