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Search Results for the EPA National Library Catalog
Items Found: 1202
Showing: Items 251 - 300
Your Search: (SUBJECT=Trace elements)
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Title
Year Published
251
Deposition of atmospheric pollutants into Lake Michigan /
1981
252
Deposition of trace elements from the atmosphere in Norway = Nedfall av sporelementer fra atmosfren i Norge /
1978
253
Detection and determination of trace elements : absorption spectrophotometry, emission spectroscopy, polarography /
1972
254
Detection and determination of trace elements absorption spectrophotometry, emission spectroscopy, polarography.
1966
255
Detection and determination of trace elements; absorption spectrophotometry, emission spectroscopy, polarography.
1970
256
Detection and determination of trace elements; absorption spectrophotometry, emission spectroscopy, polarography.
1971
257
Detection and determination of trace elements; absorption spectrophotometry, emission spectroscopy, polarography.
1973
258
Detention basin settleability of urban runoff pollution : phase II /
1980
259
Determination and prediction of chemical forms of trace metals in sewage sludge and sludge-amended soils,
1985
260
Determination of arsenic and selenium in surface water by atomic absorption to support environmental monitoring programs
1974
261
Determination of Background Levels of Lead and Cadmium in Raw Agricultural Crops by Using Differential Pulse Anodic Stripping Voltammetry.
1982
262
Determination of hazardous elements in smelter-produced sulfuric acid /
1974
263
Determination of Mercury Content in a Shallow Firn Core from Summit, Greenland by Isotope Dilution Inductively Coupled Plasma Mass Spectrometry.
2003
264
Determination of Mercury in stack Gases of High SO2 Content by the Gold Amalgamation Technique.
1973
265
Determination of radium removal efficiencies in water treatment processes /
1976
266
Determination of the Complexing Capacity of Natural Water.
1973
267
Determination of the Toxicity of Trivalent and Hexavalent Chromium on the Oxygen Utilization of Sewage.
1949
268
Determination of toxic chemicals in effluent from household septic tanks /
1985
269
Determination of Trace Anions in Water by Multidimensional Ion Chromatography.
1984
270
Determination of trace elements in hazardous wastes by ion chromatography /
1990
271
Determination of Trace Elements in Water Utilizing Atomic Absorption Spectroscopy Measurement.
1972
272
Determination of trace elements in waters and wastes by inductively coupled plasma - mass spectrometry : [test] method 200.8 /
1989
273
Determination of Trace Level Hydrocarbons in Marine Biota.
1978
274
Determination of trace metal pollutants and their physical and chemical structure in water resources and stream sediments /
1974
275
Determination of Trace Metal Pollutants in Water Resources and Stream Sediments.
1972
276
Determination of trace metals in effluents by differential pulse anodic stripping voltametry /
1977
277
Determination of trace metals in natural waters
1988
278
Determination of Trace Quantities of Anticholinesterase Pesticides in Air and Water.
1973
279
Determination of trace quantities of sulfate ion : new approaches to an old problem /
1979
280
Development and Testing of a Double-Beam Adsorption Spectrograph for the Simultaneous Determination of Different Cations in Water.
1972
281
Development of a continuous monitor for detection of toxic organic compounds /
1983
282
Development of a methodology for the assessment of the effects of fuels and additives on control devices /
1974
283
Development of a Particulate Reference Sample on Membrane Filters for the Standardization of X-Ray Fluorescence Spectrometers.
1976
284
Development of a system for conducting inter-laboratory tests for water quality and effluent measurements /
1977
285
Development of air particulate monitoring systems /
1974
286
Development of analytical techniques for the determination of trace organic materials in water,
1968
287
Development of isolated mammalian embryo techniques for toxic substance screening /
1979
288
Development of predictions of future pollution problems /
1974
289
Development of the Gold Amalgamation Sampling and Analytical Procedure for Investigation of Mercury in Stack Gases.
1972
290
Development of X-ray Fluorescence Spectroscopy for Elemental Analysis of Particulate Matter in the Atmosphere and in Source Emissions.
1972
291
Development of X-ray fluorescence Spectroscopy for Elemental Analysis of Particulate Matter in the Atmosphere and in Source Emissions. Phase II: Evaluation of Commercial Multiple Crystal Spectrometer Instruments.
1973
292
Device for Field Determination of Heavy Metals in Natural Waters.
1970
293
Device for rapid in situ extraction of tracers from large volumes of seawater /
1984
294
Devolatilization kinetics and elemental release in the pyrolysis of pulverized coal /
1979
295
Dibenzylammonium and Sodium Dibenzyldithiocarbamates as Precipitants for Preconcentration of Trace Elements in Water for Analysis by Energy Dispersive X-Ray Fluorescence.
1981
296
Direct Determination of Cadmium in Biological Samples by Selective Volatilization and Graphite Tube Reservoir Atomic Absorption Spectrometry.
1973
297
Direct Determination of Chelons at Trace Levels by One-Drop Square-Wave Polarography.
1981
298
Direct Determination of Metals in Air.
1973
299
Disposal of by-products from nonregenerable flue gas desulfurization systems : initial report /
1974
300
Disposal of by-products from nonregenerable flue gas desulfurization systems : second progress report /
1977
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