Search Results for the EPA National Library Catalog

Items Found: 30
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Your Search: (SUBJECT=Carbon Isotopes)

Select Item Title Year Published
Analysis of carbon isotopes, determination of ground-water age, and estimated characteristics of the contaminant source at two fuel-spill plumes, western Cape Cod, Massachusetts, 1996 / 1999
Analysis of carbon-14 and tritium in reactor stack gas / 1975
Carbon isotope techniques / 1991
Carbon isotopic analysis of the Northern Front Range air quality study, summer and winter 1996-1997 program : final report to the Northern Front Range air quality study / 1998
Carbon-14 in the environment : recommendations of the National Council on Radiation Protection and Measurements. 1985
Development of an Infrared Fluorescent Gas Analyzer. 1972
Effects of Ultravioloet-B Radiation on Photosynthesis of Different Aged Needles in Field-Grown Loblolly Pine. 1993
Excised Barley Root Uptake of Several 14C Labeled Organic Compounds. 1985
Impact of O3 on Leaf Construction Cost and Carbon Isotope Discrimination. 1994
Investigation of the Water Quality and Productivity of Polson Bay, Flathead Lake, Montana. 1974
Isospin Purity and Violations of Mirror Symmetry- the beta-Delayed Proton Decay of /Sup 9/C, /Sup 13/O, /Sup 17/Ne, and /Sup 33/AR. 1971
Isotopic composition of carbon monoxide in St. Louis, Missouri area / 1976
Measurement of Carbon Isotope Ratios in Volatile Hydrocarbons Derived from Plants. 1976
Methodologies for extraction of dissolved inorganic carbon for stable carbon isotope studies : evaluation and alternatives / 1982
Multiparameter Oil Pollution Source Identification System. 1973
Mycorrhizae Alter Quality and Quantity of Carbon Allocated below Ground. 1994
Nitrogen source differentiation through carbon isotopes technical completion report / 1977
Polynuclear Aromatic Content of Heavy Duty Diesel Engine Exhaust Gases. 1977
Possible Influence of Hydrogen Concentration on Microbial Methane Stable Hydrogen Isotopic Composition. 1993
Public health considerations of carbon-14 discharges from the light-water-cooled nuclear power reactor industry / 1976
Seasonal Variations of Stable Hydrogen and Carbon Isotope Ratios of Methane in Subtropical Freshwater Sediments. 1992
Stable Carbon Isotope Analysis of Nucleic Acids to Trace Sources of Dissolved Substrates Used by Estuarine Bacteria. 1990
Stable isotopes and plant carbon/water relations 1993
Study of the (P,Px) Reaction with Light Nuclei at 156 Mev. 1970
Substituent Effects and Additivity in the Carbon-13 Nuclear Magnetic Resonance Spectra of Chlorinated Naphthalenes and Their Chlorinated Naphthol Metabolites. 1977
The Stable carbon isotope biogeochemistry of acetate and methane in freshwater environments / 1989
Tritium and radiocarbon in Hawaiian natural waters, 1972
Use of stable carbon and nitrogen isotopes to trace the larval striped bass food chain in the Sacramento-San Joaquin Estuary, California, April to September 1985 / 1989
Use of Stable Carbon Isotopes to Study Microbial Processes in Estuaries. (Chapter 10). 1994
Variations in the natural abundance of 13C in proteins and amino acids. 1971

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