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2011-03-21_GENERAL DOCUMENTS - C1981041
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2011-03-21_GENERAL DOCUMENTS - C1981041
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Last modified
5/19/2020 1:29:59 PM
Creation date
3/21/2011 4:23:48 PM
Metadata
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Template:
DRMS Permit Index
Permit No
C1981041
IBM Index Class Name
General Documents
Doc Date
3/21/2011
Doc Name
Proposed Decision & Findings of Compliance for SL7
From
Phase I/II/III 75.2 Acres, Unit Train Loadout
Permit Index Doc Type
Findings
Email Name
SB1
MPB
Media Type
D
Archive
No
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Division also inspected the isolated non - active use areas qualitatively for revegetation success, <br />erosional features and "bare areas ". Pertinent inspection topics discussed below include <br />Hydrologic Balance, Revegetation, and Reclamation Success. <br />Hydrologic Balance <br />Ground conditions were damp due to rainfall the previous evening. We began walking east <br />along a portion of the Railroad Spur toward the reclaimed Unit Train Loadout area. A <br />permanent road runs parallel to the train tracks on the east (river) side. The Union Pacific <br />Railroad Company uses this road. Culverts (from reclaimed UTL Ponds No. 1 and 2) running <br />underneath the rail line were capped and buried rather than disturbing the rail. No issues or <br />concerns were identified with the Railroad Spur. Next, we observed a sediment control structure <br />adjacent to a wetland area wherein a silt fence has been replaced with rip -rap and rock check <br />dams (see Photograph 5 at the end of this report). The purpose for the sediment control at this <br />location was to prevent contribution of sediment and runoff to the wetland area during <br />construction activities associated with the Halliburton "Cameo Sand Offloading Facility." <br />Halliburton chose to leave the riprap and check dam structure in place as a permanent sediment <br />control feature. The protected wetland area is shown in Photograph No. 6. <br />Two sediment ponds (UTL No. 1 and UTL No. 2) located adjacent to the wetland area were <br />inspected. Reclamation of these ponds involved placing fill nearly level with the permanent light <br />use road and sloping the fill away from the pond embankments towards the drainage swale to the <br />north. The spillways were reclaimed by removing the 90 degree bends and attached skimmers <br />and caps were placed on both ends of the two spillway pipes. The intake side of the spillway <br />pipes were backfilled and covered with clean fill material. The two -30 -inch pipes were left in <br />place with removable caps (see Photograph No. 7 taken at UTL 1) so they can be used in the <br />future to support the industrial land use. The former pond embankments were topsoiled and <br />seeded with the appropriate seed mix. Former Pond UTL -1 was dry at the time of the inspection. <br />Former Pond UTL -2 had a small amount of water at the base of the reclaimed slope from recent <br />heavy rain. Photographs of reclaimed Pond UTL -1 and UTL -2 are shown in Photographs 8 and <br />9. With regard to surface water quantity and quality impact analysis, the Division finds that <br />ofsite impacts have been minimized and offsite impacts have been prevented. All disturbed area <br />runoff was contained within the rail loop and any potential disturbed area runoff was directed <br />towards UTL Ponds 1 and 2. The essentially flat area within the rail loop causes precipitation to <br />infiltrate rather than run -off Ponds 1 and 2 never retained any significant amount of water <br />throughout the life of the operation. There has never been a discharge of water from either of the <br />sediment ponds thus negating any potential for offsite impacts. <br />We continued to a 1 /2 acre non - active use area near the UTL where coal fines had been removed <br />from accumulation outside of the rail loop. The area is flat and was backfilled and graded in <br />2010. This location is discussed below in more detail under the revegetation section. Within the <br />UTL loop area we inspected the location where the conveyor structure was dismantled. The area <br />is well maintained and Halliburton is constructing new at this location. The reclaim tunnel that <br />was used to feed coal to the conveyor structures and the Train Loadout remains in place for <br />storage purposes (see Photograph No. 10). We continued to the west and viewed the location of <br />Reclaimed sewage lagoons (see Photograph No. 11). <br />Page ll <br />
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