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SOIL MATERIAL MONITORING <br />PSCM is required by Permit C-09-087 to monitor soil handling operations for Seneca II Mine, <br />including soil salvage, storage, and redistribution. <br />• Soil Recovery Documentation <br />No soil material was salvaged during 2016 <br />• Soil Pits - Soil/Spoil Fertility and Quality <br />No new soil material placement occurred in 2016; therefore, no soil pits were established <br />and no soil/spoil quality samples were collected or analyzed. <br />• Soil Balance <br />No soil salvage occurred in 2016. Therefore, as for the three previous years (2013, 2014, <br />and 2015), the current soil material balance reflects an average soil replacement depth of 2 <br />feet (24 inches). <br />• Soil Salvage, Storage and Replacement <br />No soil material was replaced in 2016. Stockpile A contains 91.2 acre-feet (147,150 cy) of <br />soil material. <br />Stockpile Designation Volume (ac.ft.) <br />Stockpile A 91.2 <br />TOTAL 91.2 <br />.3rc_uc-) Iupaull nwnluvul rviupjur .uucnPilu n iuLcillurr. <br />REVEGETATION <br />• Seeding and Shrub Planting <br />Table 12.2, PSCM Upland Area Seed Mix, and Table 12.3, PSCM Mesic Site Conditions <br />Seed Mix, reflect the species and seeding rates for the approved revegetation seed mixes. <br />Although no seeding was required in 2014 through 2016, supplemental broadcast seeding <br />was completed in 2014 for recently disturbed ditches, slopes near the portal, and selected <br />areas within the 356.4 acre disturbance boundary to stabilize these areas and increase <br />vegetative cover. <br />No shrubs or trees were planted in 2016. <br />• Weed Control <br />Noxious weed surveys were completed to identify areas of weed infestations on the PSCM <br />reclaimed areas in 2016. Targeted weed control spraying was conducted using selective <br />herbicide mixtures to control several identified species, with thistle and hounds -tongue as <br />the primary targeted species, and secondary spraying of any areas of whitetop, mullen, and <br />toadflax. Weed control areas will be monitored in 2017 for effectiveness and any necessary <br />follow-up treatment. <br />See Attachment B — Weed Control Logs, for details on the 2016 herbicide spray <br />applications (actual log is on file at the mine site). Since sprayed areas were relatively <br />small and adequately described in the weed control log, a map will not be provided with the <br />2016 ARR 3 <br />