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the volume of sedirner~t accr.rrn~.rlates t~~ not gr-eater- than 60 <br /> percent of the designed sedirner~t st~~r•age vol~.rrne. Yearly <br />measurements of sediment accunn_rlati~_~ns will he cond~.rcted. <br />The pond will be cleaned ~=~~_rt where water levels ar-e lowest <br />grid the least arn~~urit ~~f pr•ecipitati~:~r~ is expected. The <br />removed sediment may be used as topsail ar- subsoil if i~t <br />meets the suitability criteria disc+.rs~ed r.rr,der Section <br />2.Cr4.9. La F'lsrta Coal Carp. will exanrir~e the sedirner~tatic~r~ <br />pond per•iodica.lly ar~d file a r•ep~~rt are the cor~ditior~ of the <br />pond armually. <br />4_ir_,_7_Dischar~ge Str~_rct~.rres <br />Discharge str~.rct~_rres as discussed in Section S.i,°, will <br />c~_~mply with the standards ...f R~.rle 4.05.7. See Exhibit 7. <br />• 4. X15_8 _Acid-_F_rrnir3 and T_~x err-Fnrning_S~!il <br />Results c~F testing for acid-formir~n and toxin-forming spoil. <br />ar•e peridir~y the r-epor•t fr•orn CDS Labor•atc~r•ies. <br />4.05.9 Permanent _and TenrP"rary_Impo~_rndments <br />No permanent impoundments are planned at the La [='lata ~#1 <br />Mine by La F'lata C~~al G:~rp. except that the c~.rrrer~t land- <br />owner.requests that the sediment pond be left for livestock. <br />~.rse at the end ~~f the rnininy operation For disc~.rssion of <br />temporary irnpo~.rr~drner~tsr see Section c.Cr5.6. <br />A temporary sc_dirnerrtatign pond is planned to control <br />drainage ar~d sedirner,t fr•~rrn the surface facilities as shown <br /> nri the Hydr-c~ingy Map (Map 7). The details for this <br /> sedirner~tatic~r~ pond are set for th ire Section c. 05. 6. <br />4. Cry-7 <br />~ ~~~ <br />