1. Armento , W. J. ( 1974 ). Effects of design and operating variables on NOxfrom coal-fired furnaces—Phase 1 , Babcock and Wilcox Company , Alliance , Ohio , Report prepared for the Environmental Protection Agency, Contract 68-02-0634, January 1974. Available from National Technical Information Service, Arlington, Va., Report No. PB 229 986 .
2. Cato , G. A. , Muzio , L. J. and Shore , D. E. ( 1976 ). Field testing Application of combustion modification to control pollutant emissions from industrial boilers—Phase II . KVB Engineering, Inc., EPTS Report No. EPA-600/2-76-086a , EPA, Research Triangle Park , North Carolina .
3. Crawford , A. R. , Manny , E. H. and Bartok , W. ( 1976 ). Field testing Application of combustion modifications to control NOxemissions from utility boilers . EPTS Report No. EPA-650/2-74-066 , EPA, Research Triangle Park , North Carolina .