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Last modified
8/11/2009 11:32:56 AM
Creation date
8/10/2009 4:03:57 PM
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UCREFRP
UCREFRP Catalog Number
7797
Author
Collins, K.
Title
Conceptual Management Plan for Razorback Sucker Habitat Enhancement in Flooded Bottomlands Scott M. Matheson Wetland Preserve Moab, Utah.
USFW Year
1994.
Copyright Material
NO
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<br /> <br /> <br /> <br /> <br />United States Department of the Interior <br />GEOLOGICAL SURVEY <br />MATER RESOURCES DIVISION <br />Room 1016 Administration 8uildinq <br />1745 West 1700 South <br />Salt Lake City. Utah 84104 <br />July 10, !992 <br />TAKE `? <br />FMN??.` <br />M ? ? <br />00 W <br />Torn Aldrich <br />' Utan Div. of wildlife Resources <br />1596 W. :4orth Temple <br />Salt Lake City, Utah 84116 <br />1 <br /> <br />1 <br />11 <br /> <br />Dear Tom: <br />At long last I have all -e results from the sampling done at Moab <br />Slough in July 1991 (radchem results transmitted to you in May 1991) and <br />have enclosed all data with = is letter. Three sites were sampled:. <br />site 1 near the south end of the slough, site 2 in an impoundment area <br />near site 1, and site 3 near the middle of the slough (see fig. 1). <br />The emphasis was on contaminants common in the area: selenium, uranium, <br />and vanadium. Sediment samples were taken at sites 1 and 2 to a depth <br />of about 8 inches, well mixed and analyzed for a variety of traceland <br />common elements. The sediment was seived in the laboratory to st <br />for the sand-sized fraction (< 2 mm) and the fine clay fraction (<0.06 <br />mm). The clay fraction typically could contain more of the trace <br />elements. <br />Table 1 shows the results of the analyses done on water. There <br />does not appear to be any significant problems with concentrations of <br />the elements analyzed. The sample from site 2 had greater "salinity", <br />and somewhat larger concentration of vanadium than the other sites but <br />not within a hazardous range. Water from this site also contained much <br />more uranium and radioactive particles as I indicated to you in my <br />letter of July 10, 1991. The State alpha standard for wildlife <br />protection (actually for protection of humans consuming wildlife) is-15 <br />pCi/1, so the measured value c4- 18 pCi/L indicates a potential problem. <br />Tables 2-4 show the analytical results for elements in the two <br />samples of bottom sediment. --tere was generally little difference in <br />concentrations between the coarse (<2 mm) and the fine (<0.06 mm) <br />fractions. Concentrations of selenium, vanadium, and zinc in the <br />sediment were not excessive but were slightly greater than what is <br />typically found in soils. Concentrations of elemental uranium in the <br />sediment from both sites was within the normal range for soils in the <br />Uinta Basin. The concentration of uranium at site 2 was larger than at <br />2 <br />site 1 and is sof alpha in water <br />bottom sediment <br />was greater. Concentrations <br />did not appear to be unusually large. - <br />
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