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- Site YSS3. This Bite ie upstream of NPDE512 (see next paragraph). Monitoring • <br />at this site was discontinued is November 1999 with Permit Revision 1. <br />- NPDESI2. Reconstruction o£ the water augmentation Pond YS (Site YSSF2) waH <br />completed on September 13, 1999. It is nom referred to as Poad 012 (NFDESI2). <br />This pond began to flow again (after reconstruction) in April 2000. A <br />statistical summary of baseline chemistry data from Site YSSF2 is Drovided in <br />Appendix D, following the NFDESI2 water quality reports. NPDE512 exhibits as <br />increasing TD3 trend. <br />- Site Y3S2. This site exists on Sage Creek below all Doteatial Yoaet Mine <br />discharges. Monitoring at this site was resumed is 1998 after the monitoring <br />requirement was diseoatiaued in 1993 (although fie18 Daremetere were <br />occaeloaallY collected is 1994 Co 1997). Its TDS Dlot indicatae a stable tread. <br />Graeey Creek / Aanaad Draw <br />- NPDE830. This sediment poafl oa Aaaaad Draw was completed is August 1996. • <br />Flow was observed st Chia site for the first time ever oa February 24, 1997. <br />Review of its hydrogrnph indicatae the lowest yeah flaw oa record, eeseliae <br />date for this site, both downstream (Site YSA4) end upstream (Site YSAF4) of the <br />pond, have been Drovided after the water quality reports for this site. NFDESI0 <br />exhibits as iacreaeiag TD9 trend. <br />- NFD8311. This Poad exists oa a Greasy Creek tributary and was coapleted is <br />October 1997. Flow was first observed nt this site in 1998. No fliacherge <br />occurred this year or last year. <br />- Bite YSGFS. This site exists oa Grassy Creek below the NFDESII Doad• Its <br />hydrogreph indicstee the lowest peak flaw since 1994 occurred this year. Its <br />TD9 plot indicatae as iacreaeiag tread. <br />- Site YSGS. Thin site exists oa Grneey Creek below all fliecharges from both <br />the Yoast end Seneca II Mines. It became Dart of the required monitoring <br />program in October 1995. TDS values here era a££ected more by the Seneca II <br /> <br />i • <br />Mine than the Yoaet Miae. Its TDS plot indicstee as iacreae <br />ag trend. <br />10 <br />