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Last modified
7/14/2009 5:02:31 PM
Creation date
5/20/2009 5:13:34 PM
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UCREFRP
UCREFRP Catalog Number
7821
Author
Hamilton, S. J., et al.
Title
Evaluation Of Toxicity To Larval Razorback Sucker Of Selenium-Laden Food Organisms From Ouray NWR On The Green River, Utah.
USFW Year
1996.
USFW - Doc Type
\
Copyright Material
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<br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />Table 1. Mean and standard error (in parentheses) of water quality characteristics measured <br /> in reference water from two sites at Sheppard Bottom Pond #1 at Ouray National <br /> Wildlife Refuge. <br /> Study no. <br />Characteristic 1 2 3 4 <br />Location 1 (May 22 - June 1) <br />pH 7.9 (0) 7.9 (0) <br />Conductivity (j.tmhosl cm) I 4660 (170) 4590 (180) <br />Hardness (mg/L as CaC03) 392 (12) 378 (16) <br />Calcium (mgiL) 79 (3) 75 (3) <br />Magnesium (mg/L) 48 (1) 46 (1.8) <br />Alkalinity (mg/L as CaC03) 320 (9) 315 (13) <br />Chloride (mg/L) 41 (1) 39 (2) <br />Sulfate (mg/L) 175 (9) 171 (13) <br />Nitrate (mg/L) 2.5 (0.5) 2.0 (0.5) <br />Nitrite (mg/L) 4.3 (0.9) 3.8 (1.0) <br />n 11 7 <br />Location 2 (June 2 - 26) <br />pH 7.6 (0) 7.6 (0) 7.6 (0) 7.6 (0) <br />Conductivity (j.tmhos/cm)1 2650 (40) 2650 (30) 2660 (30) 2640 (30) <br />Hardness (mg/L as CaC03) 210 (2) 211 (2) 212 (2) 214 (2) <br />Calcium (mg/L) 52 (0) 53 (0) 53 (0) 54 (1) <br />Magnesium (mg/L) 19 (1) 19 (0) 19 (0) 19 (0) <br />Alkalinity (mg/L as CaC03) 172 (3) 176 (2) 178 (3) 182 (3) <br />Chloride (mg/L) 14 (0) 14 (0) 13 (0) 13 (0) <br />Sulfate (mg/L) 116 (8) 113 (6) 112 (6) 102 (3) <br />Nitrate (mg/L) 1.8 (0.1) 1.5 (0.2) 1.4 (0.1) 1.2 (0.2) <br />Nitrite (mg/L) 3.1 (0.7) 2.9(0.7) 2.9(0.7) 1. 7 (0.6) <br />n 14 19 21 19 <br />IConductivity J.Lmhos/cm at 25OC. <br /> <br />10 <br />
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