Search Results for the EPA National Library Catalog

Items Found: 29

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Your Search: (AUTHOR=Ruchhof AND C. AND C.)


Select Item Title Year Published
A comparative study of oxygen consumed methods / 1950
Activated Sludge from Common Foods for Radioactive Waste Treatment (Laboratory Studies). 1950
Analysis of cyanide in water and waste samples / 1953
Annual Review of Literature (1952) on Water Pollution. 1953
Application of Biological Methods in the Treatment of Radioactive Wastes. 1952
Background Radioactivity of Water and Biota of the Savannah River (1951-1952). 1952
Chemical Oxygen Consumed and Its Relationship to B.O.D. 1950
Determination of Dissolved Oxygen by the Rideal Stewart and Alsterberg Modifications of the Winkler Method. 1965
Evaluation of detergents. V. A Study of Washing Performance of Some surface Active Materials and Combined Detergent-Sanitizers. 1950
Experiences in Studying Organic Taste and Odor Substances in Water, Using Carbon Filter Sampling Methods. 1954
Industrial Wastes Research. 1952
Memorandum on the Determination of Phenols in the Mixed Waste from a Chemical Manufacturing Plant. 1949
Persistence of Mono-Chlorophenols in Polluted River Water and Sewage Dilutions. 1950
Problems of B.O.D. Determination and Interpretation. 1971
Research on Industrial Wastes as Related to Water Quality. 1953
Review of Research Grants Program of National Institutes of Health as Related to Research in Environmental Health. 1949
Review of Sewage and Industrial Waste Literature-1949. I. Stream Pollution. II. Analytical Methods. 1950
Savannah River Studies, July 1951-July 1952. 1954
Sensitizing the 4-Aminoantipyrine Reaction with Phenolic Materials for use in Water and Waste Analysis. 1950
Studies of Sewage Purification. IX. Total Purification, Oxidation, Adsorption and Synthesis of Nutrient Substrates by Activated Sludge. 1965
Study of Taste and Odor Producing Chemicals in Wastes and Water Supplies in the South Lake Michigan Area. 1951
Study of the Determination of Phenol and Structurally Related Compounds by the Gibbs Method. 1947
Study of the Effect of Sewage Distribution on High Rate Filter Efficiency. 1947
Study of the Operation of the Mechanical Activated Sludge Plant at the Erie Proving Grounds, Lacarne, Ohio. 1946
Study of the Pollution and Natural Purification of the Illinois River. I. Surveys and Laboratory Studies. 1927
Sulfamic Acid Modification of the Winkler Method for Dissolved Oxygen. 1941
Taste and Odor Producing Components in Petroleum Refinery Gravity Oil Separator Effluents. 1953
Tentative Analytical Methods for Cadmium, Chromium, and Cyanide in Water. 1949
Treatment and Disposal of Atomic Energy Waste Containing Radioactive Isotopes. 1951

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