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REV96528
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REV96528
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Entry Properties
Last modified
8/25/2016 3:21:11 AM
Creation date
11/22/2007 12:00:15 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981023
IBM Index Class Name
Revision
Doc Name
REQUEST FOR PHASE II BOND RELEASE AT KAISER VENTURES INC CHIMNEY ROCK MINE
Type & Sequence
SL3
Media Type
D
Archive
No
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' Ve,¢elan°n Samplin¢ (ar 199fi <br />' vegetation was further classified to genus and species. The "hits" were used to determine total <br />vegetative cover for each transect according to equation 2. <br />' (2) <br />%Tot ul leg. Cot•er = 'b. Hl s on beget cu i on ` 1 ~ <br />' Taal tb. of Poi m s <br />' Mean vegetative cover for each area was the mean value for the total number transects. <br />The composition of plant species in each area was also evaluated using the data acquired from the <br />vegetative cover transects. Data from the transects were used in equation 3 to determine the <br />relative cover of each species detected: <br />' (3) <br />%Pol ca i re Crn•er of ~rxci es X = %Crn~er of .$neci es .k" <br />' %Ta al beg. Ccn'er <br />' Percent total vegetative cover for each area was the mean of the total number of transects. <br />Production was determined by hand clipping 0.50 square meter quadrants. A random number <br />' between one and fifty was selected to determine where the sampling point would be placed along <br />the fifty meter transect. The vegetation was clipped by forb or grass species and separated by <br />annual or perennial life form, with the corresponding field "wet" weight recorded. The clipped <br />vegetation was then air dried for eight weeks and reweighed as a field "dry" weight. The dry <br />weights were converted to pounds per acre for each respective sampled area. The Snedecor- <br />Cochran sample adequacy formula (Equation 2) was utilized to determine the adequate number of <br />' quadrants were sampled within each site. <br />' VEGETATION RESULTS <br />Data collected from vegetation transects for the West Slope 1984 and 1991, Topsoil Stockpile, Top <br />' Slope, South Slope, North Flat, East Slope, Barren Ridge, Revision 1, Dryland Reference Area, <br />Alluvial Valley Floor 1990 and 1991, and Alluvial Valley Floor Reference Area are presented in <br />Tables 1 through 13. Results of the survey indicated that all reclaimed areas comprise vegetative <br />' cover above that exceeded 90 percent of the cover of the representative reference area. These <br />results are consistent with the CDMG Phase II bond release guidelines which state "vegetation <br />establishment will be considered acceptable if the cover of the revegetated area is at least 90 <br />' percent of the cover from the reference area or other standard with 90 percent statistical <br />confidence (Rule 4.15.8)". <br />' arrr+os~~ni„rn ia. revr A-3 <br />
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