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Environmental Protection Plan, Schwartzwalder Mine 12-2 <br />• Table 12-2, Active Groundwater Monitoring Stations <br />Groundwater Monitoring Well Locations Monitoring Analytical Suite <br />Monitoring Wells Frequency <br />MW00 Upgradient of waste rock dumps <br />.................................................. _ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .......................... ..... <br />. <br />. Quarterly <br />.................... . . . . . . . ............................................ U (diss.), U (susp.) Ra-226 <br />......... ; . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . .. . ... . . . . ... . ... . . . ............................................................... <br />MWO . . . <br />. . <br />.......................... . . . . . . . . . . . <br />Adjacent to east waste rock dump <br />. <br />. <br />. . . <br />. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . <br />: Quarterly <br />. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . U (diss.), U (susp.) Ra-226 <br />. . . . . . . . . ....... ... ..... ... ......... ...... .. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . <br />. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . <br />MW I . <br />. <br />. <br />............................................ . ... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . <br />. . . <br />Near waste water treatment plant <br />............................................................................................................. <br />............ Quarterly <br /> <br />....................................................................... <br />U (diss.), U (susp.) Ra-226 <br />....................................................................................................................................... <br />MW2 ................................................................... <br />. <br />Near Ralston Creek, east of former Quarterly U (diss.), U (susp.) Ra-226 <br /> emergency storage pond <br />....................................................................................................................................................................... <br />....................................................................... <br />....................................................................................................................................... <br />MW3A Downgradient (east) of former Quarterly U (diss.), U (susp.) Ra-226 <br /> <br />............................................................. ........... .......... .... emergency storage pond <br />...:.................. ...... ......... ..... .................................................................................................................................................. ...... <br />............................... ........................................ <br />........ ................................................................................................................. ............. <br />MW4 At south comer of former emergency <br />Quarterly <br />U (diss.), U (susp.) Ra-226 <br /> <br />............................................................. .......... .............. storage pond <br />........................................................................ ................................................................................................................... ..... <br />.............................................. ......................... <br />........ ............................................. ........................................................................ _....... <br />MW6 Downgradient of facilities, near Sump 2 <br />--.. <br />................................................................................................................................. ..... Quarterly <br />....................................................................... U (diss.), U (susp.) Ra-226 <br />........ .............................................................................................................................. <br />.......................................................... _._........................ <br />MW7 ... .... ................... ...................... .. <br />. <br />Downgradient of facilities, near Sump 1 <br />. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . <br />. . . . . Quarterly <br />. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . U (diss.), U (susp.) Ra-226 <br /> <br />. . . . . . . . . . . . . . . . . . . . . . . . <br />. . . . . . . . . : ................................................ . . . . . . . . .............................................. <br />. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . <br />MW9 . <br />. . ..................................... . . . . . . . . . . . . . . . . . . . <br />Downgradient of former ore sorter, near Quarterly U (diss.), U (susp.) Ra-226 <br /> <br />........................................................................................ Sump 3 <br />.............................-..................................................................... ............................................................. :..... <br />................................................. .............. ........ <br /> <br />......... <br />......... ;................................................. ......... ........................................................... <br />MWI 1 On hillside, above mine, in bedrock <br />...... <br />.... ..... Quarterly <br />...................................................... --- ........... U (diss.), U (susp.) Ra-226 <br /> <br />: ............................................. . . . . . . . . . .................................................... . .................. <br />......... <br />. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . <br />Domestic Well . . . ............................................ . . . . . . . . .................. . . . . . . . . . . . . .... .. ... ... .... .............................. ............................................. <br />. <br />Ralston Creek alluvium, north of WTP Quarterly U (diss.), U (susp.) Ra-226 <br />NOTES: (1) One or two monitoring wells are analyzed for an extended analytical suite during each sampling round. The station selected for the <br />extended analysis varies. <br /> <br /> <br />4109C.090807