Full TGIF Record # 144985
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DOI:10.2134/jeq2008.0109
Web URL(s):https://dl.sciencesocieties.org/publications/jeq/articles/38/1/238
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Publication Type:
i
Refereed
Author(s):Weston, Donald P.; Lentz, Rodrick D.; Cahn, Michael D.; Ogle, Scott R.; Rothert, Amanda K.; Lydy, Michael J.
Author Affiliation:Weston: Department of Integrative Biology, University of California, Berkeley, California; Lentz: United States Department of Agriculture, Northwest Irrigation and Soils Research Lab, Kimberly, Idaho; Cahn: University of California, Salina, California; Ogle: Pacific EcoRisk, Fairfield, California; Rothert and Lydy: Fisheries and Illinois Aquaculture Center and Department of Zoology, Southern Illinois University, Carbondale, Illinois
Title:Toxicity of anionic polyacrylamide formulations when used for erosion control in agriculture
Section:Technical reports: Surface water quality
Other records with the "Technical reports: Surface water quality" Section
Source:Journal of Environmental Quality. Vol. 38, No. 1, January/February 2009, p. 238-247.
Publishing Information:Madison, Wisconsin: American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America
# of Pages:10
Keywords:TIC Keywords: Irrigation water; Polyacrylamides; Agriculture; Erosion control; Acute toxicity; Chronic toxicity; Environmental effects; Aquatic environment
Abstract/Contents:"Addition of anionic polyacrylamide (PAM) to agricultural irrigation water can dramatically reduce erosion of soils. However, the toxicity of PAM to aquatic life, while often claimed to be low, has not been thoroughly evaluated. Five PAM formulations, including two oil-based products, one water-based product, one granular product and one tablet product, were evaluated for acute and/or chronic toxicity to five species commonly used for freshwater toxicity testing [Hyalella azteca (Saussure), Chironomus dilutus (Shobanov et al.), Ceriodaphnia dubia (Richard), Pimephales promelas (Rafinesque), and Selenastrum capricornutum (Printz)]. When applied as an oil-based product, acute toxicity was seen to four of the five species at concentrations less than the 10 mg/L that is often used for erosion control. Toxicity was diminished, but still remained, after passage of the irrigation water across an agricultural field, indicating a potential impact to nearby surface waters. Results from the non-oil-based products indicated minimal toxicity associated with PAM even at concentrations 10 times those used in agriculture when applied in the granular form, as a tablet, or in a water-based liquid. These data suggest that other agents in the oil-based products, such as surfactants or emulsifiers, rather than the PAM itself, contribute to the toxicity. Care is required in selecting an appropriate PAM formulation when the potential exists for entry of tailwater to nearby surface waters."
Language:English
References:30
Note:Tables
Graphs
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Weston, D. P., R. D. Lentz, M. D. Cahn, S. R. Ogle, A. K. Rothert, and M. J. Lydy. 2009. Toxicity of anionic polyacrylamide formulations when used for erosion control in agriculture. J. Environ. Qual. 38(1):p. 238-247.
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DOI: 10.2134/jeq2008.0109
Web URL(s):
https://dl.sciencesocieties.org/publications/jeq/articles/38/1/238
    Last checked: 11/07/2016
    Access conditions: Item is within a limited-access website
https://dl.sciencesocieties.org/publications/jeq/pdfs/38/1/238
    Last checked: 11/08/2016
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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