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REV105052
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REV105052
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Entry Properties
Last modified
8/25/2016 1:16:34 AM
Creation date
11/22/2007 1:23:28 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981025
IBM Index Class Name
Revision
Doc Date
7/7/1994
Doc Name
PHASE II BOND RELEASE STUDY OUTLINE
From
DMG
To
HAYES ENVIRONMENTAL SERVICES INC
Type & Sequence
SL4
Media Type
D
Archive
No
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<br />PHASE II BOND RELEASE STUDY: OUTLINE OF METHODS. <br />North Thompson Creek Mine C-81-025 <br />Predicted dates of sampling - July 12 - 27. <br />Hayes Environmental Services, Inc. <br />- SAMPLING HISTORY: 1991 (reclaimed area only) - 9/5, 9/6 <br />1992 (reclaimed area, reference area) - 7/21 - 7/25 <br />FIELD METHODS ------------------ <br />- MINIMUM SAMPLE NUMBERS: Number of samples per reclaimed area <br />will follow Draft Phase II recommendations (page 11); 10 samples in <br />the reference area <br />- ADEQUACY: Sample to adequacy <br />- SAMPLE POINT LOCATION: Starting points will be located <br />randomly from a gridded map (prob 50 x 50 meter grid for the <br />reclaimed area and a 200 x 200 meter grid for the reference area). <br />- FIELD PLACEMENT: Sample points will be located in the field <br />with compass and pacing. <br />- MAP: Approximate location of sample points designated on <br />enclosed map; transect directions will be listed in the appendix. <br />- SAMPLE UNITS: According to the draft Phase II guidelines, <br />the reclaimed area would include four sampling subunits: <br />1. Number 1 Mine Area - 25.3 acres*. <br />2. Number 3 Mine Area - 4.2 acres. <br />3. Refuse Area - 9.8 acres. <br />4. Number 1 Mine New Fan Site - 1.3 acres. <br />* - Acreage based on 1992 Vegetation Report. <br />
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