Main Title |
Industrial wastes : effects on Trinity River ecology, Fort Worth, Texas / |
Author |
Murphy, C. E., ;
Murphy, Clifford Elyman
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Other Authors |
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Publisher |
United States Environmental Protection Agency, Office of Research and Monitoring, |
Year Published |
1971 |
Report Number |
W7212109; EPA/18050-DBB-12-71 |
OCLC Number |
00539381 |
Subjects |
Freshwater ecology--Texas--Trinity River--Pollution ;
Factory and trade waste--Texas--Trinity River ;
Freshwater ecology--Pollution--Texas--Trinity River ;
Tarrant County (Tex)
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Internet Access |
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Holdings |
Library |
Call Number |
Additional Info |
Location |
Last Modified |
Checkout Status |
EJBD |
EPA 18050-DBB-12-71 |
|
Headquarters Library/Washington,DC |
03/14/2014 |
ELBD ARCHIVE |
EPA 18050-DBB-12-71 |
Received from HQ |
AWBERC Library/Cincinnati,OH |
10/04/2023 |
ELBD RPS |
EPA 18050-DBB-12-71 |
repository copy |
AWBERC Library/Cincinnati,OH |
10/17/2014 |
EMAM |
TD224.T4I52 |
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Region 6 Library/Dallas,TX |
10/06/2021 |
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Collation |
ix, 163 pages : illustrations, maps, charts, form ; 28 cm |
Notes |
"December 1971." Includes bibliographical references (pages 81-97). |
Contents Notes |
Toxicity of industrial effluents discharged directly into or in close proximity to the Trinity River (Tarrant County, Texas) was investigated through a 27-month period. The investigation was concerned with four aspects--bioassay, growth and development, chemistry, and benthos. Three industries contributed toxic materials which had a significant influence on the surrounding aquatic community. Toxicity ranges were established for the respective effluents using mature minnows, fry and spawn. Effluents from a railroad equipment cleaning area, a plant producing cracking catalysts used in processing combustion engine fuels, and a sewage treatment plant influenced the water quality of the river downstream from the outfalls. The ranges of nitrates, phosphates, biochemical oxygen demand and specific conductance for the river were increased by the effluents. |