Water Pollution--1970: Hearings, Ninety-first Congress, Second Session, on S.3687, S.3468, S.3470, S.3471, S.3472, S.3181, S.3484, S.3500, S.3507, S.3614, S.3688, and S.3697 ...U.S. Government Printing Office, 1970 |
Saturs
MDS CONTENTS | 403 |
Gibbs Charles V chairman steering committee Association of Metro | 457 |
Janicki Valentine trustee Metropolitan Sanitary District of Greater | 482 |
Autortiesības | |
19 citas sadaļas nav parādītas.
Bieži izmantoti vārdi un frāzes
abatement acid addition Administration agencies algae algal algal blooms average basin biological blue pike cancer carcinogenic Chairman chemical coho salmon committee compounds construction cost Department detergents dioxins discharge dose ecosystem effects effluent environment environmental Epstein eutrophication facilities Federal Water Pollution fertilizer fish fishery forest funds growth inches increased industrial waste input inshore irrigation Lake Erie Lake Michigan lake trout levels MARLOW W mercury mercury concentration methylmercury mg/kg mice million monitoring municipal mutagenicity nitrate nitrogen nitrosamines nutrients organic oxygen percent phosphate phosphorus population present problem projects proposed renovation Research result River samples secondary amines Senator BOGGS Senator MUSKIE sewer soil spawning species stream water temperature teratogenic thermal tion toxicity treatment plants user charges utility waste heat waste treatment Water Pollution Water Pollution Control water quality water supply watershed whitefish yellow perch zone