Acute and Chronic Effects of Tributyltin on a Chesapeake Bay Copepod

Hall, Lenwood W.; Bushong, Steven J.; Hall, W. S.; Johnson, Warren E.

doi:10.1897/1552-8618(1988)7[41:aaceot]2.0.co;2

Cited by 13 publications

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“…However, peak concentrations of 0.048 and 0.024 pg/L TBT have been reported in the water column of the Severn (13), and Potomac (16) rivers, respectively. These concentrations are well below the reported acute LC50 value and chronic E. affinis value (12). Adverse effects, however, have been reported at 0.02 vg/L TBT in chronic studies with dog-whelk (Nucella lapillus) (11).…”

Section: Resultsmentioning

confidence: 71%

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Toxicity of Tributyltin to Selected Chesapeake Bay Biota

Bushong

Hall²,

Johnson

et al. 1987

Oceans '87

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Chesapeake Bay invertebrate and fish species were exposed to a range of tributyltin (TBT) concentrations using continuous-flow conditions. TBT measurements were reported in the test chambers every 24 h; test solutions were generally within 10-15% of the predicted concentrations. The most acutely sensitive fish species tested were larval inland silversides (Menidia beryllina), (72 h LC50 = 4.6 pg/L TBT) and juvenile Atlantic menhaden (Brevoortia tyrannus), (96 h LC50 = 4.5 ug/L TBT). Estuarine copepods were very sensitive; Eurytemora aff inis (72 h LC50 = 0.6 pg/L TBT) and Acartia tonsa (48 h LC50 = 1.

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Section: Resultsmentioning

confidence: 71%

“…In recently completed experiments, we found 0.1 vg/L TBT to be toxic to E. affinis nauplii during chronic exposure (12).…”

Section: Resultsmentioning

confidence: 89%

Toxicity of Tributyltin to Selected Chesapeake Bay Biota

Bushong

Hall²,

Johnson

et al. 1987

Oceans '87

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“…OH radicals, according to Eqn [5]. Iron(III) aqueous species are known to undergo a redox reaction giving rise to iron(II) and .…”

Section: Mechanism and Discussionmentioning

confidence: 99%

Degradation of tributyltin chloride in water photoinduced by iron(III)

Mailhot

Astruc

Bolte

1999

Appl. Organometal. Chem.

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The degradation of tributyltin chloride (TBT) photoinduced by iron(III) was investigated. Upon irradiation at l excitation b300 nm a photo-redox process was observed, yielding iron(II) and. OH radicals. The disappearance of TBT was proved to involve only an attack by. OH radicals: the quantum yield of TBT disappearance was determined. A wavelength effect was observed; the shorter the excitation wavelength, the higher the rate of TBT disappearance. Most of the photoproducts were identified and the mechanism of degradation was elucidated. The main route to degradation is a stepwise de-butylation of TBT to di-and mono-butyltin with final formation of inorganic tin. The complete mineralization of TBT was achieved with long irradiation times, leading to innocuous inorganic tin.

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“…The methods used for testing E. affinis were modified from Hall et al [13]. The methods used for testing E. affinis were modified from Hall et al [13].…”

Section: Test Proceduresmentioning

confidence: 99%

Ambient toxicity testing in the Chesapeake Bay watershed using freshwater and estuarine water column tests

Hall

Ziegenfuss

Fischer

1992

Enviro Toxic and Chemistry

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This study was designed to identify toxic ambient areas in the Chesapeake Bay watershed by using the following three estuarine and two freshwater 8‐d water column toxicity tests: sheeps‐head minnow, Cyprinodon variegatus, larval survival and growth test; grass shrimp, Palaemonetes pugio, larval survival and growth test; copepod, Eurytemora affinis, life cycle test; fathead minnow, Pimephales promelas, larval survival and growth test; and Ceriodaphnia dubia, survival and reproduction test. Ambient water was collected from the following locations and transported back to our laboratory for testing: Elizabeth River (VA), Patapsco River (MD), Wye River (MD), and Potomac River (three freshwater and two saltwater stations). The Potomac River stations were located at Indian Head (MD), Freestone Point (VA), Possum Point (VA), Morgantown (MD), and Dahlgren (VA). A suite of inorganic and organic contaminants and water quality conditions were evaluated in ambient water during the tests. Results from the water column tests demonstrated no significant ranking of sensitivity among the three saltwater tests, but rather supported the need for multispecies tests because different species displayed varying sensitivity to different types of contaminants. Biological effects were reported from at least one test species tested in ambient water from Elizabeth River, Patapsco River, Indian Head, Morgantown, and Dahlgren. These results demonstrate that selected ambient areas of the Chesapeake Bay watershed are toxic, based on various biological indicators.

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Acute and Chronic Effects of Tributyltin on a Chesapeake Bay Copepod

Cited by 13 publications

References 0 publications

Toxicity of Tributyltin to Selected Chesapeake Bay Biota

Toxicity of Tributyltin to Selected Chesapeake Bay Biota

Degradation of tributyltin chloride in water photoinduced by iron(III)

Ambient toxicity testing in the Chesapeake Bay watershed using freshwater and estuarine water column tests

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