Search Results for the EPA National Library Catalog

Items Found: 155
Showing: Items 1 - 50
Your Search: (SUBJECT=Observation)

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Select Item	Title	Year Published
1	A new approach and methodologies for characterizing the hydrogeologic properties of aquifers /	1990
2	A Sand County almanac : with essays on conservation /	2001
3	Accuracy assessment of 1992 Landstat-MSS derived land cover for the Upper San Pedro watershed (U.S./Mexico) {microform} /	2002
4	Advances in Hazardous Waste Site Alluvial Sampling.	1991
5	Amoco-U.S. Environmental Protection Agency, Pollution Prevention Project, Yorktown, Virginia: Groundwater and Soil Data.	1991
6	Analogy Between Magnetospheric Resonance and the Vibration of a Stringed Musical Instrument.	1971
7	Analysis and Interpretation of Single-Well Tracer Tests in Stratified Aquifers.	1985
8	Assimilation of Satellite Data in Regional Air Quality Models.	1997
9	Can Asian Dust Trigger Phytoplankton Blooms in the Oligotrophic Northern South China Sea.	2012
10	Carbon emissions from spring 1998 fires in tropical Mexico /	1999
11	Comparative study of plume opacity measurement methods /	1979
12	Comparison of VLF Auroral Hiss with Precipitating Low Energy Electrons Using Simultaneous Data from Two OGO-4 Experiments.	1971
13	Copper dump leaching and management practices that minimize the potential for environmental releases final report /	1988
14	Dam Safety Assessment of CCW Impoundments Sikeston Power Station.	2010
15	Derivation of the International Geomagnetic Reference Field, Igrf/10/68/.	1971
16	Dermal Carcinogenesis Assay in C3H/HEJ Mice with Cover Letter dated 07/18/86.	1986
17	Design and Performance of Single-Well Tracer Tests at the Mobile Site.	1985
18	Effective Use of High Water Table Areas for Sanitary Landfill. Volume I.	1973
19	Effective Use of High Water Table Areas for Sanitary Landfill. Volume II.	1973
20	Environmental Compliance Branch, Standard Operating Procedures and Quality Assurance Manual, Revision 1.	1991
21	Estimation of Free Hydrocarbon Volume from Fluid Levels in Monitoring Wells.	1990
22	Evaluation of a hydrosalinity model of irrigation return flow water quality in the Mesilla Valley, New Mexico /	1979
23	Evaluation of ground-water extraction remedies.	1989
24	Examination of Scale-Dependent Dispersion Coefficients.	1983
25	Feasibility of Using Satellite Derived Data to Infer Surface-Layer Ozone Concentration Patterns.	1994
26	Field Evaluation of In-situ Biodegradation of Chlorinated Ethenes: Part 1, Methodology and Field Site Characterization.	1990
27	Filtration of Ground Water Samples for Metals Analysis.	1989
28	Global earth observation system of systems (GEOSS) : 10-year implementation plan reference document /	2005
29	Ground Water In Spearfish Valley	1979
30	Ground-Water Flow Modeling Study of the Love Canal Area, New York.	1983
31	Groundwater Management Strategy for Michigan: Hydrogeologic Study Handbook.	1982
32	Groundwater quality monitoring of western coal strip mining : preliminary designs for active mine sources of pollution /	1980
33	Groundwater quality monitoring of western coal strip mining : preliminary designs for reclaimed mine sources of pollution /	1980
34	Groundwater quality monitoring recommendations for in situ oil shale development /	1983
35	Handbook : ground water.	1991
36	Handbook ground water : Volume 2 methodology /	1990
37	Improving the viability of existing small drinking water systems.	1990
38	Investigation of failure mechanisms and migration of industrial chemicals at Wilsonville, Illinois /	1990
39	Lockheed Experiment on Ats-5 Quarterly Progress Report, 1 Mar. - 31 May 1971.	1971
40	Long-term effects of land application of domestic wastewater : Hollister, California, rapid infiltration site /	1978
41	Mapping and GIS Development of Land Use and Land Cover Categories for the Albemarle-Pamlico Drainage Basin.	1992
42	Methods for evaluating the attainment of cleanup standards : vol. 2. Ground water /	1992
43	Mobile Source Observation Data (MSOD) Database Update. Interim Report, Revision 2.	2002
44	Mobile source observation data : User guide and reference /	2004
45	Monitoring disposal-well systems /	1975
46	National stream survey database guide /	1990
47	Nationwide Urban Runoff Program, Tampa, Florida: Final Summary Report.	1983
48	New Approach to Purging Monitoring Wells: Lower Flow Rates Reduce Required Purging Volumes and Sample Turbidity.	1994
49	Objective procedures for optimum location of air pollution observation stations /	1975
50	On the Significance of the Hoerner Waldorf Well Field Water-table Fluctuations.	1972

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