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1989-11-22_REVISION - M1988112
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1989-11-22_REVISION - M1988112
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Entry Properties
Last modified
6/19/2021 7:58:29 AM
Creation date
11/21/2007 6:39:48 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M1988112
IBM Index Class Name
Revision
Doc Date
11/22/1989
Doc Name
TAILINGS COLUMN TESTING PROCEDURES BATTLE MTNS SAN LUIS PROJECT
Type & Sequence
AM1
Media Type
D
Archive
No
Tags
DRMS Re-OCR
Description:
Signifies Re-OCR Process Performed
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<br />ABLE 1 ACID MINE DRAINPC~ PREDICTICN TECFNIOl1ES <br />(Cantirxxd) <br />TEST DESCRIPTION USE ADVANTAGES DISADVANTAGES REFERFl1CES <br />7. Colums -Sample placed in colum and periods- relatively coo- -models acid production -may be difficult to irr 18, 19, <br /> tally leached by distilled water. monly used in and consurption reac- terpret results 20, 21 <br /> - Uwally leached for 8-10 weeks Canada and US Lions -relatively high costs <br /> minimm. -can model effect of -large amourrt of data to <br /> - Several variations of set-up in liter- different rock types crnpile and interpret <br /> ature. -can imdel wet and dry -long time to mrpletion <br /> cycles of erNirorrerrt of test <br /> - can consider different -rot practical for Large <br /> grain sizes up to model nunber of sartples <br /> constraints -may have problems with <br /> ureven leachate appl ica- <br /> <br />I lion and chanrelization <br />8. Test Plots/ -Run of mine or modified sample placed very infrequently -most realistic rtoriel of -very expensive 22, 23 <br />Piles on irtpervious surface. used in Canada natural processes -large arount of data to <br /> -Precipitation provides leachate rfiich and US -can ngdel relevant rtat- congile and interpret <br /> is collected in snip. ural conditions in a -very long tine to Coro- <br /> - Sartples of collected leachate analyzed single test pletion of test <br /> for range of parametzr5. -not practical for rtore <br /> - Test usually run for at least 1 year. than a very small trtrber <br /> of discrete tests <br />V <br />
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