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PERMIT #: M- 1977 -439 <br />INSPECTOR'S INITIALS: ECS <br />INSPECTION DATE: April 16, 2012 <br />construction of slurry walls of $3 per square foot, and assuming an average required depth of 35' bgs for the <br />slurry wall, a bond increase of at least $2,454,375 will be required to slurry wall the existing ponds and <br />excavations and satisfy the SEO requirements for exposed groundwater. <br />As stated on the first page of this report, The Division will be sending a separate surety increase notice to the <br />operator regarding this increase of the financial warranty. The operator will have 60 days from the date on the <br />surety increase notice to post the additional required financial warranty. <br />GENERAL INSPECTION TOPICS <br />The following list identifies the environmental and permit parameters inspected and gives a categorical evaluation of each <br />(AR) RECORDS <br />(HB) HYDROLOGIC BALANCE <br />Y (FN) FINANCIAL WARRANTY PB (RD) ROADS <br />PB (BG) BACKFILL & GRADING Y (EX) EXPLOSIVES <br />(PW) PROCESSING WASTE/TAILING - - -- NA (SF) PROCESSING FACILITIES Y (TS) TOPSOIL <br />(SM) SIGNS AND MARKERS <br />(ES) OVERBURDEN/DEV. WASTE <br />(AT) ACID OR TOXIC MATERIALS <br />NA (OD) OFF -SITE DAMAGE NA (ST) STIPULATIONS <br />Y <br />NA <br />Y <br />(MP) GENL MINE PLAN COMPLIANCE- Y (FW) FISH & WILDLIFE N (RV) REVEGETATION - - -- Y <br />Y (SP) STORM WATER MGT PLAN - - -- NA (SB) COMPLETE INSP - - -- NA <br />Y (SC) EROSION /SEDIMENTATION - -- Y (RS) RECL PLAN /COMP -- Y <br />NA <br />Y = Inspected and found in compliance / N = Not inspected / NA = Not applicable to this operation / PB = Problem cited / PV = Possible violation cited <br />Inspection Contact Address <br />Julie Mikulas <br />Martin Marietta Materials, Inc. <br />1800 N. Taft Hill Road <br />Fort Collins, CO 80521 <br />Page 3 of 3 <br />