Laserfiche WebLink
Podmirc soil pits arc placed within rtclemation blocb that have been soiled end seeded for a minimutn of three years. Sitniler <br />• minimum lime fnmee arc used for monitoring poetttdrc vegeutim. The permercm vegetation hea gercrelly eateblished sufficiently <br />after three to four yeas to evaluate imenetiotn between rootigg characteristics end Boil/spoil quality (Schafer et. al., I979). <br />Historical soil end spoil quslily data for the 1983 through 1988 reclamation blacks arc presented erd discussed in previous Topsoil <br />end Spoil Monitorigg n:potts (PCC, 1987 sod 1989) end the Armuel Rulemetioa Repone (PCC, 1991, 1992, 1993, 1994, 1999)tMt <br />have been submitted to the Division. No soil end spoil monitoring wu completed during 2000. Additional soiVspoil fenilily samples <br />sre pletmed Cor the 2001 field season. <br />Spoil Setr4.lin¢ in the Lenmx Hidrwe8 Reductiop Area <br />SCC ie required to ample final gredcd spoil fran the I<omx highwell reduction ems one 300 foot grid and teat for sodium. <br />Exposed sodic strata with m unsuitable SAR level will either be buried in We fitW pit or covered with two m three feet of auitebla <br />spoil prior m soil replacement. No fircl grading wu initiated io the Iconox highwall rcducfian area during the 2000 field exasmt, <br />hence m Lcmox spoil settrplea art preaemed hero. <br />Wolf Creek SpoB <br />SCC is required to sample end uulyu fiml graded spoil Cram the Wolf Creek mini0g eras prior to sell replecemeat. SpoB ie <br />• sampled one 300 foot horizomd grid std tested for pH, acid base potential (ABP), and sob sdirtiry (F.C). Suitable spoil topdrtsaiog <br />(wbsoil) is replaced prior to soil redistribution when acid sVaL (pH <5 end ABP <-5) art ercounnred. The motdtorirg program <br />is oudircd oo Pegea 6153, 6163e, 6164, eel 9-00 of Teba 6 std 9, Volumes 3 sod 7, Permit C-80-005. No Bml graded spoil <br />serrWles were ukrn in 2000. Amlysie for existing graded areas un be Cound in the 1994 aM 1498 Annul Reclemelion Itnpona, <br />(PWCC, 1995 srd SCC, 1999). <br />2000 Sail Rwlecerrcnt 7Lickreae <br />SCC ie required by CDMG to closely observe end routinely inspect soil rcplecemrnt thiclmeae in the Wedge std Wolf Creek <br />rcclsmation arses e[ Seneca H Mine. This monitoring requirement ie included es Item 5 of the Topsoil Quality Comrol Rognm <br />presented in Volume 7, Tab 9, Atuchmen 9~, Page 9-41 oC Permit C-80-005. Hie[oricd soil replacemen Urickresa inforrmtion Cor <br />the 1984 through 1992 rccletrctim blocks is presented ip Table 943, AtuchmeN 9~, Tab 9 of Permit 00-00.5, the Second, <br />Third, std Fourth Amuel Topsoil std Spoil Monitorirg Rcpons for the 1987, 1988, end 1989 field seasons, and the Amuel <br />Rcclemetion Reporu (PCC, 1990; PWCC, 1991, 1992, 1993; SCC, 1994, 1995, 1996, 1997, 1998, 1999). N addition, Seneca <br />conducted eo exhaustive topsoil redistribution depth sampling program during ttie Bummer of 2000. See Appendix 2000.1 for field <br />date srd etatiatica. 7fie mean value of topsoil replaced was 5.2 feel for the 575 sertple areas dal were measured. <br />Soil Balance <br />Seneca submited the fiml soil belerCe es Technicd Revision No. 31 on June 26, 1997 ea the final reclarpetioo -topsoil management <br />2 <br />