Research Reporting Series


Book Description




Extended Aeration Sewage Treatment in Cold Climates


Book Description

Summary of results of efforts to develop design criteria for biological treatment of low temperature domestic sewage, using experimental aeration units in Alaska.







EPA-600/2


Book Description




Ecol


Book Description




Monthly Catalog of United States Government Publications


Book Description

February issue includes Appendix entitled Directory of United States Government periodicals and subscription publications; September issue includes List of depository libraries; June and December issues include semiannual index.