Search Results for the EPA National Library Catalog

Items Found: 32

Showing: Items 1 - 32

Your Search: (AUTHOR=Williams AND Llewellyn AND R.)

Select Item	Title	Year Published
1	A national assessment of landscape change and impacts to aquatic resources : a 10-year research strategy for the landscape sciences program. /	2000
2	Aquatic toxicology and hazard assessment 12th volume /	1989
3	Aquatic toxicology and hazard assessment, 12th volume /	1989
4	Characterization of biological reference material : in vivo incorporated toxic metals in water hyacinth tissues /	1983
5	Command procedures for manipulating tape date files : a set of procedures developed for use with the COMNET ALPHA time sharing system /	1980
6	Comparisons of models predicting ambient lake phosphorus concentrations /	1979
7	Comparisons of models predicting ambient lake phosphorus concentrations / by	1978
8	Development and standardization of methods for analysis of biological tissues for PCBs. /	1984
9	Distribution of phytoplankton in Iowa lakes /	1978
10	Distribution of phytoplankton in Iowa lakes /	1979
11	Distribution of phytoplankton in Kansas lakes /	1979
12	Distribution of phytoplankton in Kansas lakes /	1978
13	Distribution of phytoplankton in Mississippi lakes /	1977
14	Distribution of phytoplankton in Mississippi Lakes.	1977
15	Distribution of phytoplankton in New Jersey lakes /	1977
16	Distribution of phytoplankton in New Jersey lakes /	1978
17	Distribution of phytoplankton in Utah lakes /	1979
18	Distribution of phytoplankton in Wyoming lakes /	1979
19	Evaluation of the procedures for identification of hazardous waste : interim report, August 1979 /	1979
20	Evaluation of the procedures for identification of hazardous wastes /	1981
21	Evaluation of the procedures for identification of hazardous wastes /	1981
22	Genera Acanthosphaera through Cystodinium collected from eastern and southeastern lakes /	1979
23	Guidelines for conducting collaborative testing of biological test methods /	1983
24	Hazardous materials spill monitoring : safety handbook and chemical hazard guide /	1979
25	Management plan : advanced field monitoring methods program /	1987
26	Procedures for conducting Daphnia magna toxicity bioassays : user's guide /	1987
27	Proposed plan for superfund innovative technology evaluation (SITE) demonstration of measurement and monitoring technologies /	1989
28	Relationships of productivity and problem conditions to ambient nutrients : National Eutrophication Survey findings for 418 Eastern lakes /	1978
29	Report on field screening techniques for assessment and evaluation /	1988
30	Sampling and analysis of wastes generated by gray iron foundries /	1981
31	Single-laboratory evaluation of mobility procedure for solid waste	1986
32	Validation of testing measurement methods /	1983

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