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GENERAL34426
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Last modified
8/24/2016 7:55:54 PM
Creation date
11/23/2007 7:56:34 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M1983194
IBM Index Class Name
General Documents
Doc Date
2/28/1990
Doc Name
RECORD OF DECISION WOLF RIDGE CORP MINE PLAN FOR A NAHCOLITE SOLUTION MINE
Media Type
D
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' lithium <br />sulfide <br />potassium <br />total phosphate <br />chloride <br />nitrate calcium <br />magnesium fluoride <br />sulphate boron <br />silica iron <br />Dissolved Organic Carbon <br />Lab analysis work must be performed by a laboratory approved by the <br />authorized officer. <br />4. If leakage (brines) from cavities exceeding State of Colorado standards <br />for total dissolved solids is detected in the base of the lower aquifer, <br />the operator will be required to (1) perform remedial action such as <br />extracting the brines and disposing of them through surface treatment, <br />evaporation, or de~ap well injection at approved facilities, and/or (2) <br />contain the brines within the base of the groundwater system and within <br />the boundaries of i:he sodium leases, as determined by the BLH authorized <br />officer. <br />5. The designated operatorllessee shall establish surface water monitoring <br />stations for water quantity and quality as required by the authorized <br />officer, upstream send downstream of the cone of depression on the main <br />channels of Yellow and Piceance creeks. Data collected at the stations <br />shall include continuous streamflow and precipitation records and <br />comprehensive watec• quality analysis for all field measurements and major <br />and minor components conducted on a quarterly basis. Data collected shall <br />commence 6 months prior to start up and shall continue throughout mining <br />operations as directed by the authorized officer. Should recorded water <br />quality data deviate significantly from baseline, sampling frequencies may <br />increase as directed by the authorized officer. <br />6. The lessee shall compile an inventory of all springs and seeps within the <br />cone of depression and monitor for water quantity and quality. Water <br />quantity of springs shall be monitored monthly for 6 months prior to and <br />during mining operations. Water quality shall be sampled quarterly for <br />field measurements and major and minor components starting 6 months prior <br />to mining operations. Field measurements shall be monitored quarterly <br />with major and components sampled annually during mining operations. <br />Should quantity or quality of any springs or seeps deviate significantly <br />from baseline, sampling intensity and frequencies may increase as directed <br />by the authorized oFficer. The number and location of surface water <br />monitoring stations and spring sites shall be submitted by the applicant <br />to the authorized officer for approval. <br />7. The designated operator/lessee shall submit a quarterly hydrologic <br />monitoring report to the authorized officer. Any significant changes to <br />the hydrologic systf>m shall be reported within 10 working days after being <br />detected. <br />8. Discharge of water uri11 not be allowed without prior written approval from <br />the authorized ofEic:er of BLH. <br />9 <br />
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