2008-05-14_PERMIT FILE - M2007087

• Permit No: M2007087
• IBM Index Class Name: Permit File
• Doc Date: 5/14/2008
• Doc Name: Potential Stability Issues
• From: Arcadis
• To: Environment, Inc.
• Media Type: D
• Archive: No

ARCADIS
under the assumed adverse conditions, the pit slope would adjust to about 19 degrees
from 26.6 degrees and the concrete ditch and slurry wall remain protected.
Sincerely, =-R-- -._r.. _,? _ ...... ....
ARCADIS-US, Inc.
Gaston Leone, P.E.
Senior Engineer
1W Steve O'Brien
14 May 2008
Page:
c eaMarwmwrrywme?skwmaasi.oe.amaoa 3/3