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2010-12-17_REVISION - C1981019 (110)
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2010-12-17_REVISION - C1981019 (110)
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Entry Properties
Last modified
8/24/2016 4:28:02 PM
Creation date
12/29/2010 4:19:20 PM
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Template:
DRMS Permit Index
Permit No
C1981019
IBM Index Class Name
Revision
Doc Date
12/17/2010
Doc Name
Rule 4 Performance Standards
Type & Sequence
PR3
Media Type
D
Archive
No
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RULE 4 PERFORMANCE STANDARDS <br />Groundwater — Five valley -fill alluvial groundwater sites will be monitored, as described below. <br />Please refer to Exhibit 26, Item 1 for additional details regarding the wells listed below. <br />Monitoring <br />Monitoring <br />Monitoring <br />Bicarbonate (HCO <br />Calcium (Ca +2 <br />T e <br />Location <br />Fre uenc <br />Quarterly Parameters <br />Annual Parameters <br />Alluvial <br />MC- 04 -01' <br />Quarterly <br />Water level, Temperature, <br />See Below <br />Groundwater <br />Selenium (Se) <br />Zinc (Zn) <br />pH, Conductivity <br />Alluvial <br />MC -04 -02 <br />Quarterly <br />Water level, Temperature, <br />See Below <br />Groundwater <br />pH, Conductivity <br />Alluvial <br />MLC -04 -01 <br />Quarterly <br />Water level, Temperature, <br />See Below <br />Groundwater <br />H, Conductivity <br />Alluvial <br />MJ -95 -01 <br />Quarterly <br />Water level, Temperature, <br />See Below <br />Groundwater <br />H, Conductivity <br />Alluvial <br />MJ -95 -03 <br />Quarterly <br />Water level, Temperature, <br />See Below <br />Groundwater <br />pH, Conductivity <br />1. MC -04 -01 — Located in the Collom Gulch valley fill, this site represents the condition of the Collom <br />Gulch valley -fill aquifer adjacent to the proposed Collom Lite pit. <br />2. MC -04 -02 — Located in the Collom Gulch valley fill, this site represents the condition of the Collom <br />Gulch valley -fill aquifer adjacent to the proposed Little Collom X pit. <br />3. MLC -04 -01 — Located in the Little Collom Gulch valley fill, this site represents the condition of the <br />Little Collom Gulch valley -fill aquifer below the proposed mining activities. <br />4. MJ -95 -01 — Located in the West Fork Jubb Creek valley fill, this site represents the condition of the <br />West Fork Jubb Creek valley fill aquifer adjacent to the northeast (downgradient) side of the <br />proposed Collom Lite pit. <br />5. MJ -95 -03 - Located in the Jubb Creek valley fill just downstream of the confluence of the West and <br />East Forks of Jubb Creek, this site represents the condition of the valley -fill aquifer downgradient of <br />the proposed Collom Lite pit. <br />For the valley -fill wells, water levels and field water - quality parameters will be measured <br />quarterly, samples for laboratory analysis will be collected annually during the second quarter. <br />Annual Groundwater Laboratory Parameters <br />pH <br />Conductivity at 25 °C <br />Total Dissolved <br />Solids <br />Bicarbonate (HCO <br />Calcium (Ca +2 <br />Magnesium (Mg +2 <br />Ammonia (NH <br />Nitrate <br />Phosphate (PO4 -3 as P) <br />Sodium (Na + ) <br />Sulfate (SO4) <br />Arsenic (As) <br />Iron (Fe) <br />Lead (Pb) <br />Manganese (Mn) <br />Mercury (Hg) <br />Selenium (Se) <br />Zinc (Zn) <br />D = Dissolved <br />TD = Total Dissolved <br />T = Total <br />TR = Total Recoverable <br />Collom — Rule 4, Page 13 Revision Date: 1/23/09 <br />Revision No.: PR -03 <br />
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