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REP09656
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REP09656
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Entry Properties
Last modified
8/24/2016 11:39:13 PM
Creation date
11/27/2007 12:12:02 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1982057
IBM Index Class Name
Report
Doc Date
2/1/2001
Doc Name
2000 AHR COVER SHEET AND TEXT
From
SENECA COAL CO
To
DMG
Annual Report Year
2000
Permit Index Doc Type
Hydrology Report
Media Type
D
Archive
No
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• parameter Number of Wells <br />boron (CDOH, irrigation) 1 <br />chloride (California, irrigation) 1 <br />DH (CDOH, irrigntioa) 1 <br />iron (CDOH, irrigntioa) 3 <br />manganese (CDOH, irrigntioa) 8 <br />dissolved solids (USBPA, irrigation) 7 <br />dissolved solids (Wyoming, livestock) 2 <br />sulfate (California, irrigation) 11 <br />Ia addition, a total of five eamDlea (from three walla) had cadmium values that <br />were less than as elevated detection limit (20 ug/1 vs. a normal detection limit <br />of 3 ug/1) which was higher than the CDpH standard of 10 ug/1. Likewise, the <br />same five samples had lead values that were lees than an elevated detection <br />limit (200 ug/1 vs. a normal detection limit of 20 ug/1) which was higher than <br />the CDOB standard of 100 ug/1. The cause of these elevated detection limits was <br />a decision by the laboratory to dilute the ee~lea prior to analyses in order to <br />• reduce the effects of interferences (primarily, high salinity). <br />8lavated levels of iron may be attribute8 to natural (i.e., not mining related) <br />conditions, since elevated level^ for that Daremater are not normally found is <br />spoil walla at the afliaeeat seance II Nias. The two bedrock wells (WW14 aa8 <br />iP1C201) exhibiting high levels may have higher than usual eonceatretions of iron <br />pyrite is the rock. Well WTC201 (Trout Creek 9aadetoae, shop wall) of tea <br />dieDlaye high iron values, but dose not display an iacreaelaq tread. Wedge cosl <br />well WN14 started dieDlaying high iron values in 1998 and displays as increasing <br />trend. The high levels of iron displayed is the one alluvial well (WHAL7-2) may <br />be the result of organic matter and pleat debris present in the alluvium (Hem, <br />1909, Dg• ~~)• All walla with high iron values exist within the Seneca II-W <br />permit boundary. <br />High sulfate valves may, in Dart, be due to recharge from the spoil aquifer. <br />However, it moat be note8 the[ the CDOH has no ground water agricultural <br />standard for sulfate. This California standard ie presented here merely for <br />. comparative purposes. It should also be noted that six of the twelve wells <br />exhibiting high sulfate values difl eo prior to mining. <br />9 <br />
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