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United States Environmental Protection Agency
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Search Results for the EPA National Library Catalog
Items Found: 54
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Your Search: (AUTHOR=Williams AND L.R.)
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A national assessment of landscape change and impacts to aquatic resources : a 10-year research strategy for the landscape sciences program. /
Command procedures for manipulating tape date files : a set of procedures developed for use with the COMNET ALPHA time sharing system /
Comparison of some new and old indices and measurements of trophic state /
Distribution and importance of phytoplankton in the Atchafalaya Basin /
Distribution of phytoplankton in Arizona lakes /
Distribution of phytoplankton in Arkansas Lakes /
Distribution of phytoplankton in California lakes /
Distribution of phytoplankton in Georgia lakes /
Distribution of phytoplankton in Illinois lakes /
Distribution of phytoplankton in Indiana lakes /
Distribution of phytoplankton in Iowa lakes /
Distribution of phytoplankton in Louisiana lakes /
Distribution of phytoplankton in Maryland lakes /
Distribution of phytoplankton in Mississippi lakes /
Distribution of phytoplankton in Missouri lakes /
Distribution of phytoplankton in Nebraska lakes /
Distribution of phytoplankton in Nevada lakes /
Distribution of phytoplankton in New Jersey lakes /
Distribution of phytoplankton in New Mexico lakes /
Distribution of phytoplankton in North Carolina lakes /
Distribution of phytoplankton in North Dakota lakes /
Distribution of phytoplankton in Ohio lakes /
Distribution of phytoplankton in Oregon lakes /
Distribution of phytoplankton in South Carolina lakes /
Distribution of phytoplankton in Tennessee lakes /
Distribution of phytoplankton in Texas lakes /
Distribution of phytoplankton in Utah lakes /
Distribution of phytoplankton in West Virginia lakes /
Distribution of phytoplankton in Wyoming lakes /
Economics of sample compositing as a screening tool in ground water quality monitoring. /
Evaluation of the procedures for identification of hazardous wastes /
First International Symposium Field Screening Methods for Hazardous Waste Site Investigations : October 11-13, 1988 : symposium proceedings.
Genera Acanthosphaera through Cystodinium collected from eastern and southeastern lakes /
Genera Dactylococcopsis through Gyrosigma collected from eastern and southeastern lakes /
Genera Hantzschia through Pteromonas collected from eastern and southeastern lakes /
Genera Quadrigula through Zygnema collected from eastern and southeastern lakes /
Interagency QA Workshop Conference Review. Held in Las Vegas, Nevada on September 14, 1992.
Interlaboratory Study of an EPA (Environmental Protection Agency)/Ames/Salmonella Test Protocol.
Mass Spectrometric Quantification of Polychlorinated Biphenyl Congeners Using Multiple Carbon-13 Internal Standards.
Meadowland Natural Treatment Processes in the Lake Tahoe Basin: A Field Investigation.
Modifications of models predicting trophic state of lakes : adjustment of models to account for the biological manifestations of nutrients /
Mutagenicity and Chemical Analysis of Emissions for the Open Burning of Scrap Rubber Tires.
Mutagenicity and Chemical Analysis of Emissions from the Open Burning of Scrap Rubber Tires.
Performance-Based Methods for the EPA's Regulatory Programs.
Phytoplankton water quality relationships in U.S. lakes /
Phytoplankton water-quality relationships in U.S. lakes. Part VIII: Algae associated with or responsible for water-quality problems
Phytoplankton Water-Quality Relationships in U.S. Lakes. Part VIII: Algae Associated with or Responsible for Water-Quality Problems.
Procedures for conducting Daphnia magna toxicity bioassays : user's guide /
Quantifying uncertainty in analytical measurement.
Salmonella Data Management Software (for Microcomputers).
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