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-4- STIPULATION N0. 7' THE PERMITTEE MUST PLACE A MINIMUM OF ONE F00T OF SUITABLE MATERIAL OVER THE UNDERDRAIN TO FORM A GRANULAR FILTER. THIS MATERIAL SHOULD BE GRADED SIMILAR TO THE GRANULAR FILTER USED BEHIND THE RIPRAP IN THE RELOCATED STREAM CHANNEL AS FOUND IN ADDENDUM E. SECTION 8 OF THE PERMIT REVISION APPLICATION. STIPULATION N0. 8 THE PERMITTEE MUST COMMIT TO PLACING TWO MONITORING WELLS IN THE FILLED CHANNEL; ONE ON THE UPSTREAM END AND ONE ON THE DOWNSTREAM END. THESE WELLS SHOULD 8E COMPLETED IN THE COBBLE AND GRAVEL FILL AND MONITORED MONTHLY FOR WATER LEVEL AND QUARTERLY FOR THE SUITE OF PARAMETERS GIVEN IN STIPULATION N0. 3. STIPULATION N0. 9 DURING PREPARATION OF THE SITE OF THE REFUSE DISPOSAL AREA ALL SOIL MATERIAL MUST BE SALVAGED DOWN TO BEDROCK. THESE MATERIALS MUST eE STOCKPILED IN A MANNER THAT SEGREGATES THE A AND 8 HORIZON FROM THE C HORIZON. STIPULATION N0. 10 THE PERMITTEE MUST SUBMIT A REVISED VEGETATION SAMPLING PLAN AND METHODOLOGIES TO THE DIVISION FOR APPROVAL. THIS PLAN MUST INCLUDE SAMPLING FOR PRODUCTION, AS WELL AS VEGETATIVE COVER, WOODY PLANT DENSITY, AND SPECIES DIVERSITY. DURING SAMPLING THE PERMITTEE MUST EVALUATE THE POTENTIAL FOR IMPACTS TO RARE AND ENDANGERED PLANT SPECIES IF IDENTIFIED DURING THE SURVEY. STIPULATION N0. 11 THE PERMITTEE MUST LOCATE THE PROPOSED REFERENCE AREAS ON A VEGETATION MAP. IN ADDITION I7 MUST BE STATISTICALLY DEMONSTRATED THAT THESE REFERENCE AREAS ARE EQUIVALENT TO OR BETTER THAN THE AREA TO BE DISTURBED IN VEGETATIVE COVER AND PRODUCTION. STIPULATION N0. 12 THE PERMITTEE MUST INSTALL CULVERTS IN THE ACCESS ROAD TO THE REFUSE PILE WHICH ARE 6 INCHES LARGER IN DIAMETER THAN THOSE SPECIFIED IN ADDENDUM E OR INSTALL A 1.5 FOOT HEADWALL A80VE CULVERT INLETS. IN ADDITION, THE PERMITTEE MUST JUSTIFY THE USE OF A 0.03 MANNINGS n FOR DITCH DESIGNS OR INSTALL 1.5 FEET DEEP DITCHES ALONG THE REFUSE PILE ACCESS ROAD. STIPULATION N0. 13 SIZING CALCULATIONS FOR THE ACCESS ROAD CULVERT SOUTH OF HIGHWAY 12 MUST BE SUBMITTED WITHIN 30 DAYS OF PERMIT REVISION APPROVAL.