u.s. fish & wildlife service region 6 contaminants ….4 contaminant report number: r6/702c/92...
TRANSCRIPT
.4
Contaminant Report Number: R6/702C/92'",
u.s. FISH & WILDLIFE SERVICEREGION 6 .
CONTAMINANTS PROGRAM
.
ByPedro Ramirez, Jr. and Joni Armstrong
u.s. FISH AND WILDLIFE SERVICEFish and Wildlife Enhancement
2617 E. Lincolnway, Suite ACheyenne, Wyoming 82001
February 1992
USFWS- Region 6- Environmental .Contaminants Report ,
TABLE OF CONTENTS
LIST OF TABLES i i.
i i iLIST OF FIGURES
ABSTRACT 1
INTRODUCTION 2
STUDY AREA DESCRIPTION 4
METHODS ,0 5
10101113
RESULTS AND DISCUSSION
Hut ton Lake NWR or 0
National El k Refuge 0"
Seedskadee NWR
MANAGEMENT RECOMMENDA1IONS 14
LITERATURE CITED 15
i
USFWS- Region 6- Environmental Contaminants ReQort ' .
LIST OF TABLES
PageAppendix A. Trace element concentrations in weter, sediment and biota from
Hut ton Lake National Wildlife Refuge, Albany County, Wyoming (water
in ug/ml, sediment and biota in ug/g dry weight)[NA=No Analysis]. . 16
Appendix B. Trace element concentrations in water, sediment and biQta from
the National Elk Refugel .Teton County, Wyoming (water in ug/ml,
sediment and biota in ug/g dry weight)[NA=No Analysis] 22
Appendix C. Trace element concentrations in water, sediment and biota from
Seedskadee National Wildlife Refuge, ,Sweetwater County, Wyoming
(water in ug/ml, sediment and biota in ug/g dry weight)[NA=No
Analysis] ,. 29
.
ii
4
USFWS -Region 6- Environmental;.Contaminants Report ,
LIST OF FIGURES
PageFigure I. location of the National Elk Refuge and the Seedskadee and
Hut ton lake National Wildlife Refuges, Wyoming. 3
6Figure 2. Collection sites for water, sediment and biota from the National
El k Refuge, T eton County, Wyomi ng -.
Figure 3. Collection sites for water, sediment and biota at the Seedskadee
National Wildlife Refuge, Sweetwater"County, Wyoming. 7
Figure 4. Collection sites for water, sediment and 'biota from Hut ton Lake
National Wildlife Refuge, Albany County, Wyoming. 8
.
,
i i i
USFWS -Region 6- Environmental Contaminants ReQort
ABSTRACT
Environmental contaminants surveys were conducted at National Elk, Seedskadee,
and Hut ton Lake National Wildlife Refuges (NWR) to provide information on
habitat quality problems,existing conditions to identify potential and to
determine if non-point sources of pollution may be affecting the refuges.
Pondweed (Potamogeton spp. samples from Hut ton, Rush, and Cre;ghton Lakes and
Lake George at Hut ton Lake NWR and Hay Farm Pond at Seedskadee NWR had boron
concentrations greater than 300 ug/g dry weight, the level suspected of causing
reduced growth in mallard ducklings (Eisler 1990). The source of the boron is
unknown. One pondweed sample from Flat Creek at the National Elk Refuge had a
selenium concentration of 3.2 ug/g dry weight, slightly above the 3 ug/g level
of concern for bioaccumulation in fish and wildlife recommended by Lemly and
Smith (1987). The source is unknown, but runoff from the adjacent highway may
for the selenium. Continued monitoring of boron and seleniumaccount
concentrations in aquatic vegetation and aquatic invertebrates is recommended for
Seedskadee, Hut ton Lake and National Elk NWR's. Specific sites in need of
monitoring include: Lake George and Creighton Lake at Hut ton Lake, Flat Creek
adjacent to u.s. Highway 89 at the National Elk Refuge, and Hay Farm Pond at
Seedskadee NWR.
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National Wildlife Refuges, Wyoming.
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USFWS- Region 6- Environmental Contaminants ReRort
~igure 2. Collection sites for water, sediment and biota from the National Elk
~efuge, Teton County, Wyoming.
6
USFWS- Reaion 6- Environmental Contaminants Reoort
Figure 3. Collection sites for water, sediment and biota at Seedskadee National
Wildlife Refuge, Sweetwater County, Wyoming.
7
USFWS -Reaion 6- Environmental Contaminants Report
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National Wildlife Refuge, Albany County, Wyoming.
8
USFWS- Region 6- Environmental Contaminants Report
Laboratories America, Inc., Wisconsin; Environmental Trace Substances Research
Center, Missouri; and Research Triangle Institute, North Carolina; for trace
element analyses. The laboratories analyzed for mercury using cold vapor atomic
absorption spectroscopy, hydride generation atomic absorption (AA) spectroscopy
for arsenic and selenium, and inductively coupled plasma atomic emission
scans for allspectrophotometer (ICP) other trace elements. PACF assured
laboratory quality control. Laboratories confirm the precision and accuracy of
the analyses for the Service with procedural blanks, duplicate analyses, ~st
recoveries of spiked materials, and reference material analyses. All Service
contaminants analyses received a PACF quality assurance review. The primary
method used to assess accuracy was percent recovery of spiked analyte
allcompared reported to other samplesPACF the recovery submitted to a
laboratory for analyses to the average recovery for that laboratory and analyte
If the reported recoveries were within the 95% confidence interval for the mean
recovery, PACF considered the accuracy of the analysis acceptable. Besides spike
recoveries, the laboratories usually analyzed standard reference materials, Pl£F
compared results from these determinations to both the laboratory average and the
certified value. PACF considered accuracy for all sample analyses for this study
acceptable. Laboratories reported percent moisture and dry weight
concentrations.
Trace element concentrations in sediments were compared to background levels
reported for soils from the western United States and the Northern Great Plains
by Harms et al. (1990).
9
USFWS -Region 6- Environmental Contaminants Report
RESULTS AND DISCUSSION
Hut ton Lake NWR
Analytical results from water, sediment and biota collected at Hut ton Lake NWR
are presented in Appendix A. Trace elements in water were not present in
concentrations considered adverse to fish and wildlife. Trace elements in
sediments collected at the refuge were present at background levels, with the
exception of aluminum. Aluminum concentrations in sediment from Hut ton Lake and
Sand Creek were 22,400 and 28,100 ug/g dry weight, respectively. Background
concentrations of aluminum reported for soils from the Northern Great Plains
region range from 3,400 ug/g to 12,000 ug/g dry weight (Harms et al. 1991).
Pondweed samples from Hut ton, Rush, and Cre;ghton Lakes and Lake George had boron
concentrations greater than 300 ug/g dry weight, the level suspected of causing
reduced growth in mallard ducklings (Eisler 1990). The elevated boron
concentrations in pondweed may be attributable to natural occurrences of this
element in the Frontier Formation. One pondweed sample collected from Lake George
had a mercury concentration of 1.009 ug/g dry weight (0.11 ug/g wet weight).
Adverse reproductive effects in birds have been reported at mercury
concentrations of 0.05 to 0.1 ug/g wet weight in the diet (Eisler 1987). The
source of the mercury is unknown although mercury was not detected in four other
pondweed samples collected at this site. An aquatic invertebrate sample
collected from Lake George had a selenium concentration of 5.45 ug/g dry weight,
above the 3 ug/g level of concern for bioaccumulation in fish and wildlife
recommended by Lemly and Smith (1987). Other trace elements in aquatic
vegetation and aquatic invertebrates were not elevated
10
USFWS -Reaion 6- Environmental Contaminants Reoort
National Elk Refuge
Analytical results from water, sediment and biota collected at the National Elk
Refuge are presented in Appendix B. The following trace elements were present
below detection limits in all water samples collected from the National Elk
Refuge: antimony, beryllium, cadmium, chromium, copper, lead, mercury, nickel,
thallium,selenium, silver, tin and vanadium. The EPA criterion for the
protection of freshwater aquatic life is more than 87 ug/ of aluminum, not more
than once every three years when the pH is between 6.5 and 9.0 {EPA 1988). A
water sample collected from Cache Creek had an aluminum concentration of 1010
ug/l. Additional monitoring is needed to determine if the aluminum concentration
in water at Cache Creek exceeds 87 ug/1 more than once in a three-year period.
Concentrations of all other trace elements were below the EPA criteria for the
protection of freshwater aquatic life.
Lead concentrations were below detection levels in all matrices except sediments
and soils. Soil collected at a site adjacent to a culvert on Highway 89 had the
highest lead concentrations (211 and 303 ug!g dry weight). The culvert conveys
runoff from a car wash near the highway and discharges water onto the highway
right-of-way adjacent to the refuge. Increased lead concentrations in soils from
highway right-of-ways result from the exhaust of automobiles burning gasoline
with lead additives (Eisler 1988). Aluminum and cadmium in the soil sample were
above background levels reported by Harms et al. (1990). Although present above
background concentrations, aluminum and cadmium were not at levels known to
adversely affect fish and wildlife
11
USFWS- Reaion 6- Environmental Contaminants ReDort
The 3.2 ug/g selenium concentration in a pondweed sample from Flat Creek was
slightly above the 3 ug/g 1evel of concern for bioaccumulation in fish and
wildlife recommended by Lemly and Smith (1987). The source is unknown, but
runoff from the adjacent highway may account for the selenium.
An adult green-winged teal collected at the refuge had a selenium concentration
in the 1iver of 31 ug/g dry weight. A 25 ug/g concentration is suspected of
causing adverse reproductive effects in waterfowl (U.S. Fish and Wildlife Service
1990). However, the teal was capable of flight, so the elevated selenium
concentration cannot be attributed directly to the refuge. Other trace elements
in aquatic vegetation and bird livers were present in concentrations not
considered adverse to fish and wildlife,
12
USFWS -Region 6- Environmental Contaminants ReRort
Seedskadee NWR
Analytical results from water, sediment and biota collected at Seedskadee NWR are
presented in Appendix c. Trace element concentrations in all matrices analyzed
were below levels known to cause adverse effects to fish and wildlife, with the
exception of boron. Trace elements in sediments were at or below the background
levels reported by Harms et al. (1990). Boron concentrations in three pondweed
samples from the Hay Farm Pond at Seedskadee NWR exceeded the 300 ug/g dry weight
level suspected to cause reduced growth in mallard ducklings (Eisler 1990). The
source of the boron is unknown. Atmospheric deposition from coal-fired power
plants may be a possible source
13
USFWS- Region 6- Environmental Contaminants ReRort
MANAGEMENT RECOMMENDATIONS
Continued monitoring of boron and selenium concentrations in aquatic vegetation
and aquatic invertebrates is recommended for Seedskadee, Hut ton Lake and National
Elk NWR's. A biomonitoring plan for the BEST (Biomonitoring Environmental Status
and Trends) Program has been developed for Seedskadee. Specific sites in need of
monitoring within these refuges include: Lake George and Creighton Lake at Hut ton
Lake NWR, Flat Creek adjacent to U.S. Highway 89 at the National Elk Refuge, and
Hay Farm Pond at Seedskadee NWR
14
USFWS- Region 6- Environmental Contaminants Rel:2ort
LITERATURE CITED
Eisler, R. 1987. Mercury hazards to fish, wildlife and invertebrates: a synoptic
review. U.S. Fish and Wildl. Serv. Biol. Rep. 85(1.10).90 pp.
Eisler, R. 1990. Boron hazards to fish, wildlife and invertebrates: a synoptic
review. U.S. Fish and Wildl. Serv. Biol. Rep. 85{1.20).32 pp.
Environmental Protection Agency. 1988. Ambient water quality criteria for
aluminum- 1988. EPA Report 440/5-86-008. National Technical Information
Service, Springfield, VA.
Espinosa, L.R. and Clark, W.E.. 1972. A polypropylene light trap for aquatic
invertebrates. California Fish and Game. 58: 149-152.
Harms, T. F.; K. C. Stewart; P. H. Briggs; P. L. Hageman and C. S. E. Papp. 1990.Chemical results for bottom material for Department of the Interiorirrigation drainage task group studies 1988-1989. U.S. Geological SurveyOpen-File Report 90-50. U.S. Geological Survey, Denver, CO. 47 pp.
Lemly, D. and G. Smith. 1987. Aquatic cycling of selenium: implications for fish
and wildlife. U.S. Fish & Wildl. Serv. Fish & Wildlife Leafl. 12. 10 pp.
l$Ne) J. D. and A. C. Christiansen.
Geological Survey. Denver, CO.
1985. Geologic map of Wyoming. u.s
CI.4. Fish and Wildlife Service. 1990. Effects of irrigation drainwater
contaminants on wildlife. Patuxent Wildlife Research Center, Laurel, Md.
July 1990.38 pp.
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