Thomas Custer (Former Employee)
Science and Products
Filter Total Items: 166
Exposure and effects of chemical contaminants on tree swallows nesting along the Housatonic River, Berkshire County, Massachusetts, USA, 1998-2000 Exposure and effects of chemical contaminants on tree swallows nesting along the Housatonic River, Berkshire County, Massachusetts, USA, 1998-2000
Hatching success of tree swallows (Tachycineta bicolor) was assessed for three years in relation to chemical contamination along the Housatonic River, Berkshire County (MA, USA), in 1998, 1999, and 2000. Nest boxes were erected at five sites along the Housatonic River and its tributaries and at one reference location. Concentrations of total polychlorinated biphenyls (PCBs) were some of...
Authors
Christine M. Custer, T. W. Custer, P.M. Dummer, K.L. Munney
Trace elements in lesser scaup (Aythya affinis) from the Mississippi flyway Trace elements in lesser scaup (Aythya affinis) from the Mississippi flyway
Previous research reported that concentrations of selenium in the livers of 88a??95% of lesser scaup from locations in Lake Erie, Lake St. Clair, and Lake Michigan, USA were either elevated (10a??33 A?g/g dry weight [dw]) or in the potentially harmful range (>33 A?g/g dw). In order to determine the geographic extent of these high selenium concentrations, we collected lesser scaup in...
Authors
Christine M. Custer, T. W. Custer, M.J. Anteau, A. D. Afton, D.E. Wooten
A mining impacted stream: Exposure and effects of lead and other trace elements on tree swallows (Tachycineta bicolor) nesting in the Upper Arkansas River Basin, Colorado A mining impacted stream: Exposure and effects of lead and other trace elements on tree swallows (Tachycineta bicolor) nesting in the Upper Arkansas River Basin, Colorado
No abstract available.
Authors
Christine M. Custer, T. W. Custer, A.S. Archuleta, L.C. Coppock, C.D. Swartz, J. W. Bickham
Improved method for quantifying the avicide 3-chloro-p-toluidine hydrochloride in bird tissues using a deuterated surrogate/GC/MS method Improved method for quantifying the avicide 3-chloro-p-toluidine hydrochloride in bird tissues using a deuterated surrogate/GC/MS method
A method using a deuterated surrogate of the avicide 3-chloro-p-toluidine hydrochloride (CPTH) was developed to quantify the CPTH residues in the gastrointestinal (GI) tract and breast muscle tissues in birds collected in CPTH-baited sunflower and rice fields. This method increased the range of a previous surrogate/gas chromatography/mass spectroscopy method from 0−2 to 0−20 μg/g in...
Authors
Randal S. Stahl, Thomas W. Custer, P. A. Pochop, J. J. Johnston
Dioxins and congener-specific polychlorinated biphenyls in three avian species from the Wisconsin River, Wisconsin Dioxins and congener-specific polychlorinated biphenyls in three avian species from the Wisconsin River, Wisconsin
Sediments from the Wisconsin River, WI, USA are contaminated with 2,3,7,8-tetrachloro-p-dioxin (TCDD) and polychlorinated biphenyls (PCBs). Wet weight concentrations of TCDD and PCBs in eggs were at background levels and highest in the piscivorous hooded merganser (Lophodytes cucullatus; geometric mean=7 pg/g TCDD and 0.92 μg/g PCBs) and lowest in the omnivorous wood duck (Aix sponsa) (
Authors
T. W. Custer, Christine M. Custer, Randy K. Hines
Arsenic concentrations in house wrens from Whitewood Creek, South Dakota, USA Arsenic concentrations in house wrens from Whitewood Creek, South Dakota, USA
Abstract has not been submitted
Authors
T. W. Custer, Christine M. Custer, S. Larson, K.K. Dickerson
Science and Products
Filter Total Items: 166
Exposure and effects of chemical contaminants on tree swallows nesting along the Housatonic River, Berkshire County, Massachusetts, USA, 1998-2000 Exposure and effects of chemical contaminants on tree swallows nesting along the Housatonic River, Berkshire County, Massachusetts, USA, 1998-2000
Hatching success of tree swallows (Tachycineta bicolor) was assessed for three years in relation to chemical contamination along the Housatonic River, Berkshire County (MA, USA), in 1998, 1999, and 2000. Nest boxes were erected at five sites along the Housatonic River and its tributaries and at one reference location. Concentrations of total polychlorinated biphenyls (PCBs) were some of...
Authors
Christine M. Custer, T. W. Custer, P.M. Dummer, K.L. Munney
Trace elements in lesser scaup (Aythya affinis) from the Mississippi flyway Trace elements in lesser scaup (Aythya affinis) from the Mississippi flyway
Previous research reported that concentrations of selenium in the livers of 88a??95% of lesser scaup from locations in Lake Erie, Lake St. Clair, and Lake Michigan, USA were either elevated (10a??33 A?g/g dry weight [dw]) or in the potentially harmful range (>33 A?g/g dw). In order to determine the geographic extent of these high selenium concentrations, we collected lesser scaup in...
Authors
Christine M. Custer, T. W. Custer, M.J. Anteau, A. D. Afton, D.E. Wooten
A mining impacted stream: Exposure and effects of lead and other trace elements on tree swallows (Tachycineta bicolor) nesting in the Upper Arkansas River Basin, Colorado A mining impacted stream: Exposure and effects of lead and other trace elements on tree swallows (Tachycineta bicolor) nesting in the Upper Arkansas River Basin, Colorado
No abstract available.
Authors
Christine M. Custer, T. W. Custer, A.S. Archuleta, L.C. Coppock, C.D. Swartz, J. W. Bickham
Improved method for quantifying the avicide 3-chloro-p-toluidine hydrochloride in bird tissues using a deuterated surrogate/GC/MS method Improved method for quantifying the avicide 3-chloro-p-toluidine hydrochloride in bird tissues using a deuterated surrogate/GC/MS method
A method using a deuterated surrogate of the avicide 3-chloro-p-toluidine hydrochloride (CPTH) was developed to quantify the CPTH residues in the gastrointestinal (GI) tract and breast muscle tissues in birds collected in CPTH-baited sunflower and rice fields. This method increased the range of a previous surrogate/gas chromatography/mass spectroscopy method from 0−2 to 0−20 μg/g in...
Authors
Randal S. Stahl, Thomas W. Custer, P. A. Pochop, J. J. Johnston
Dioxins and congener-specific polychlorinated biphenyls in three avian species from the Wisconsin River, Wisconsin Dioxins and congener-specific polychlorinated biphenyls in three avian species from the Wisconsin River, Wisconsin
Sediments from the Wisconsin River, WI, USA are contaminated with 2,3,7,8-tetrachloro-p-dioxin (TCDD) and polychlorinated biphenyls (PCBs). Wet weight concentrations of TCDD and PCBs in eggs were at background levels and highest in the piscivorous hooded merganser (Lophodytes cucullatus; geometric mean=7 pg/g TCDD and 0.92 μg/g PCBs) and lowest in the omnivorous wood duck (Aix sponsa) (
Authors
T. W. Custer, Christine M. Custer, Randy K. Hines
Arsenic concentrations in house wrens from Whitewood Creek, South Dakota, USA Arsenic concentrations in house wrens from Whitewood Creek, South Dakota, USA
Abstract has not been submitted
Authors
T. W. Custer, Christine M. Custer, S. Larson, K.K. Dickerson