Yazar
Bob A Hegg
3 cilt bulundu.
Cilt sonuçları
Retrofitting publicly-owned treatment works for compliance
Bob A. Hegg · Noyes Data Corp.
271 sayfa · 1990
Plant performance / Retrofitting / Sewage disposal plants / Plant maintenance / Sewage disposal
Evaluation of operation and maintenance factors limiting municipal wastewater treatment plant performance
Bob A Hegg · for sale by the National Technical Information Service
157 sayfa · 1979
Sewage disposal plants / Evaluation
A demonstrated approach for improving performance and reliability of biological wastewater treatment plants
Bob A Hegg · Envionmental Protection Agency, Office of Research and Development, [Office of Energy, Minerals, and Industry], Municipal Environmental Research Laboratory
52 sayfa · 1979
Biological treatment / Sewage / Purification