FLOOD10381

• County: Pueblo
• Stream Name: Arkansas River
• Basin: Arkansas
• Title: Effects of Impoundment on Water and Sediment in the Arkansas River at Pueblo Reservoir
• Date: 5/1/1977
• Floodplain - Doc Type: Educational/Technical/Reference Information

Table 1.-Detection limits and uncertainties for the gross limnological parameters

Parameter Method Detection Limits Uncertainty Fractional Analysis
( mg/l)
Temperature Thermometer or O.lOC Raw
Thermistor
Turbidity Photometric [1,2] 2 JTU* 1 JTU* Raw
pH Meter 0.1 Raw
j Condo Meter 10 I1S/cm Diss.
p-Alk Titrimetric [4] 1 1 mg/I Diss.
t-Alk Titrimetric [4] 1 1 mg/I Diss.
CI- Titri metric [4] 0.3 0.3 mg/I Diss.
t-Hdns Titrimetric [4] 1 1 mg/I Diss.
Ca-Hdns Titrimetric [4] 1 1 mg/I Diss.
Mg-Hdns Subtraction [4] 2 1 mg/I Diss.
S04 -2 Turbidimetric [4] 2 1 mg/I Diss.
D.O. Titrimetric [4] 1 1 mg/I Raw
D.O. Probe t 0.1 mg/I Raw
Raw = Unfi Itered water * Jackson turbidity units
Diss. = Dissolved fraction tYSI Model 54 oxygen meter
and Model 5419 probe

Table 2.-Detection limits and uncertainties for trace metal analysis

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Parameter Method Detection Limits Uncertainty Fraction Analyzed
( mg/l) (mg/I)
Ag AA-APDC-MIBK Extr. [1,2] 0.0002 0.0002 Diss.
Ag AA-Direct Asp. .002 .002 Susp., sed.
As Spectrophotometric .003 .003 Diss.
(AgDDC, 300-ml sample) [4]
Cd AA-Direct Asp. [1,2] .001 .001 Diss., susp., sed.
Co AA-Direct Asp. [1,2] .02 .02 Susp., sed.
Co AA-APDC-MIBK Extr. [1,2] .002 .002 Diss.
Cu AA-Direct Asp. [1,2] .002 .002 Diss., susp., sed.
Fe AA-Direct Asp. [1,2] .01 .01 Susp., sed.
Fe AA-APDC-MIBK Extr. [1,2] .001 .001 Diss.
Li AA-Direct Asp. [1,2] .001 .001 ~ Diss., susp., sed.
Mn AA-Direct Asp. [1, 2] .002 .002 Diss., susp., sed.
Hg Flameless AA (100 ml) [5] .01 I1g/1 .01 I1g/1 Diss.
Pb AA-Direct Asp. [1,2] .05 .05 Susp., sed.
Pb AA-APDC-MIBK Extr. [1,2] .001 .001 Diss.
Ni AA,Direct Asp. [1,2] .02 .02 Susp., sed.
Ni AA-APDC-MIBK Extr. [1,2] .001 .001 Diss.
Na FP-Direct Asp. [1,2] .1 .1 Diss.
K FP-Direct Asp. [1,2] .23 .1 Diss., susp., sed.
K FP-Direct Asp. [1,2] .01 .01
Ca FP-Direct Asp. [1,2] .01 .01 Susp., sed.
Mg AA-Direct Asp. [1,2] .02 .01 Susp., sed.
Zn AA-Direct Asp. [1,2] .001 .001 Diss., susp., sed.
Diss. = Dissolved fraction
Susp. = Suspended fraction
Sed. = Sediments
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