This is just the beginning! Our collection holds over 300 years of history, including rare newspapers, obituaries, marriage records, birth records, and so much more—most of which you won’t find anywhere else!
Waste Water Reclaimed at Tertiary Treatment Push
Federal officials push toward universal tertiary sewage treatment by 1974 to curb nutrient pollution. Assistant Interior official Car L Klein warns that without advanced treatment the United States will face water shortages. The piece explains secondary and tertiary processes, costs, and the need to remove nitrogen and phosphorus to prevent ecological damage.
MENTIONED IN THIS ARTICLE
California
United States
Car L. Klein
Secrdtatry of the Interior
Klein
Orben