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PERMFILE119279
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PERMFILE119279
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Last modified
8/24/2016 10:15:01 PM
Creation date
11/25/2007 6:48:15 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1984065
IBM Index Class Name
Permit File
Doc Date
12/11/2001
Section_Exhibit Name
3.3 Hydrology and Geology
Media Type
D
Archive
No
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• the following parameters were deleted from the quarterly analysis: <br />arsenic, copper, fluoride, hydroxide ion; lead and molybdenum. <br />• <br /> <br />Alkali Creek is tributary to the Colorado River about one mile west <br />of New Castle. This tributary has been classified by the CDOH as <br />Recreation Class 2, Aquatic Life Class 2 cold, Agriculture. <br />Numerical Standards for Alkali Creek are also listed in Table 3.3- <br />8. <br />The CDOH standards have been equaled or exceeded six times at the <br />two monitoring stations since the program commenced. Parameters, <br />dates and locations that equaled or exceeded the CDOH standards are <br />listed in Table 3.3-10. For comparative purposes, the Alkali Creek <br />waters were evaluated against National Primary Drinking Water <br />Standards. These standards, more stringent than the numerical <br />limits for Alkali Creek, were equalled or exceeded thirteen times <br />during the monitoring program, through the spring of 1984. <br />Parameters, dates and observed concentrations equaling or exceeding <br />the national drinking water standards are shown in Table 3.3-11. <br />Table 3.3-10. CDOH Water Quality Standards for Alkali Creek <br />Exceeded During the Monitoring Program <br /> Observed Date <br />Parameter Standard Concentration Sampled <br />_ Statlon* <br />_________ <br />Boron _________ <br />0.75 _____________ <br />0.89 _____ <br />___ <br />03/20/82 _________ <br />AC-1 <br />Copper 0.2 0.021 06/21/82 AC-1 <br />Selenium 0.02 0.02 12/17/81 AC-2 <br />Selenium 0.02 0.02 03/20/82 AC-2 <br />Selenium 0.02 0.02 02/22/82 AC-1 <br />Selenium 0.02 0.02 03/28/03 AC-2 <br />Note: Unics are in mg/1 <br />AC-1 is Alkali Creek upstream <br />AC-2 is Alkali Creek downstream <br />NCEC - Coal Ridge #1 <br />3-45 <br />ABC/1145/900301 <br />
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