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Search Results for the EPA National Library Catalog
Items Found: 491
Showing: Items 251 - 300
Your Search: (SUBJECT=Dissolved gases)
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Title
Year Published
251
Mercury pollution control in stream and lake sediments
1972
252
Metals in Ground Water: Sampling Artifacts and Reproducibility.
1992
253
Methanol requirement and temperature effects in wastewater denitrification.
1970
254
Methodology Study to Develop Evaluation Criteria for Wild and Scenic Rivers. Report of Water Quality Subproject.
1971
255
Methods manual for Perdido Bay citizens monitoring program /
1989
256
Microbial Modifications of Ground Water.
1972
257
Microbial Release of Soluble Phosphate in an Activated Sludge Environment.
1971
258
Modeling and Optimization of Thermal Pollution Control Systems.
1972
259
Monitoring septage addition to wastewater treatment plants /
1979
260
Mortality, saltwater adaptation and reproduction of fish during gas supersaturation /
1976
261
Muskegon, Michigan industrial-municipal wastewater storage lagoons : biota and environment /
1977
262
National surface water survey : national stream survey, phase I - pilot survey--field operations report /
1987
263
National water quality inventory : 1976 report to the Congress.
1977
264
National water quality inventory : 1977 report to the Congress.
1978
265
National Water Quality Network Applications and Development Report no. 7. A Preliminary Report on the Effect of Pump and Pipe Systems on Dissolved Oxygen Concentration.
1963
266
National Water Quality Network Applications and Development Report. 6. Evaluation of the Field Performance of a Hays Dissolved Oxygen Analyzer.
1962
267
National Water Quality Network. Report on Analytical Reference Sample Type II, BD-2.
1960
268
National Water Quality Network. Report on Reference Sample Type 2, BD-4.
1963
269
Nationwide Urban Runoff Program, Kansas City Area Project: Technical Report.
1983
270
Nationwide Urban Runoff Program, Tampa, Florida: Water Quality Assessment of the Lower Hillsborough River - Final Report.
1983
271
Nationwide Urban Runoff Project, Champaign, Illinois: The Biological Impact of Urban Runoff on the Saline Branch Drainage Ditch and Boneyard Creek.
1984
272
NCASI (National Council for Air and Stream Improvement) Enhancements of QUAL-II Model.
1985
273
Nearshore Fish and Macroinvertebrate Assemblages Along the Strait of Juan de Fuca Including Food Habits of Nearshore Fish.
1977
274
Nearshore fish and macroinvertebrate assemblages along the Strait of Juan de Fuca including food habits of the common nearshore fish : final report of three years' sampling, 1976-1979 /
1980
275
Nearshore Fish and Macroinvertebrate Assemblages Along the Strait of Juan de Fuca Including Food Habits of the Common Nearshore Fish.
1978
276
New Technology for Treatment of Wastewater by Reverse Osmosis.
1970
277
Nitrates.
1971
278
Nitrogen supersaturation in the Columbia and Snake Rivers : summary report.
1971
279
Nitrogen Supersaturation in the Columbia and Snake Rivers.
1971
280
Non-Point Source Studies on Chesapeake Bay. III. Relationship between Bacterial Contamination and Land Use in the Rhode River Watershed, and Survival Studies of 'Streptococcus faecalis' in the Estuary.
1977
281
Non-point water quality modeling in wildland management : a state-of-the-art assessment /
1977
282
Numerical and graphical procedures for estimation of community photosynthesis and respiration in experimental streams {microform} /
1982
283
Numerical Model for the Prediction of Transient Water Quality in Estuary Networks.
1972
284
Nutrient chemistry of a large, deep lake in subarctic Alaska /
1978
285
Nutrient Transport and Dissolved Oxygen Budget Studies in the Potomac Estuary.
1972
286
Nutrient-Dissolved Oxygen Dynamics in Chesapeake Bay: The Roles of Phytoplankton and Micro-Heterotrophs under Summer Conditions, 1985.
1987
287
Nutritional Ecology and Community Structure of the Phytoplankton of Green Bay.
1971
288
Onsite engineering report of the slurry-phase biological reactor for pilot-scale testing on contaminated soil /
1993
289
Open Lake Water Quality Conditions for Lake Erie's Central and Eastern Basins, 1985.
1987
290
Open Lake Water Quality Conditions for Lake Erie's Western, Central and Eastern Basins, 1986.
1988
291
Operational control procedures for the activated sludge process /
1973
292
Ordination of Aquatic Nematode Communities as Affected by Stream Water Quality.
1979
293
Organic Analyses in Water Quality Control Programs - Training Manual.
1980
294
Organic Analyses in Water Quality Control Programs. Training Manual.
1977
295
Organic Analyses in Water Quality Control Programs; Instructor's Guide for Conducting the Course.
1980
296
Organic Analyses in Water Quality Control Programs; Training Manual.
1978
297
Overview of USEPA/Clear Lake Erie Sediment Oxygen Demand Investigations during 1979.
1987
298
Oxygen consumption in continuous biological culture.
1971
299
Oxygen relationships in streams : proceedings of a seminar sponsored by the water supply and water pollution program of the Sanitary Engineering Center, October 30-November 1, 1957.
1958
300
Oxygen Requirements of Larvae of the Smallmouth Bass, 'Micropterus dolomieui' Lacepede.
1984
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