GENERAL52029

• Permit No: M1999002
• IBM Index Class Name: General Documents
• Doc Date: 7/22/1999
• Doc Name: FINAL ENVIRONMENTAL IMPACT STATEMENT VOL 2 BESIMING THRU PAGE 89
• Media Type: D
• Archive: No

• i •
P•5.12 r. lYem ginger OA/QC proroevls (alloxvd for accunu wnl<r quality svmpbny
technique?
t. WIsD xerc the bauline eorditians al cpch will site."
y. Wert the cells purged PrnpMy Prior so sampling"
h. Art Ihcu dau veritable by an IndepeMcns Third party?
i. Wh} u<anlv'gtab" aumples 6einB relied upon fm ehm'acrttimisan of she
grouralwmer?
P-5.13 Commend) NohuAaeenrGrouWwalerMovlraAnBPlanPrepssN
Tlk DEIS discussion on mitigmion, xetian OA 7. d«s nut outline w)rt, ifwy. spmiln
Iesk detection and prowdwnter monitoring des•ien will be used to moniror the mining
and pmduction of lh<mdium minerals .Additionally, the well integrity serificmion
pr«edtues outlined on pegs q-17 do nut addren the Freq««)' o(kstinB qnd sampling.
Alu, the term "1~nlion Of • failure" in Jte filth bWla poim ov page a.17 is nos
Defined. W'ithouse dalninon the public cennol edequuely esre#wMllnels OlTDS she
BLM would consider ensiromaenWly dwgemue. Alifliny of whetdrrtm rill be card
u xrll m Ihr frcquemy oCkstiny arN aemptsble leveb n(TDS shoud be mode available
for public comment lwl'orc du DEIS con be deemed comolereJ.
Commem lq
P•5.14 Eovlromm~odl Impact of lindrrgroued lnpeslan Dhpoul Well Nos Addrtssed
There is m mmsbn «wlysls of the poknnd envimnmenW impact of she Amerieen
Soda Cndttyrourtl Injection Disposal Wdl rhos sill h InJetting hqh conceatntions of
Total Diswlved Solids directly inm Ne lower aquifer eWm the Dissolution Surface on
grouruixnter, surf«e xatcr, od slide, or sprirsys. Such sn mNyaif weds to be made
availgble fm public commons before the DEIS <en he deemed mmplmcd.
P-5.15 CommcmliSsBexgoefnvodwaterDasaCollened
Smsims 21.5.3 of she DEIS don rot the any bmebne Moline or backymnnd
proundwmn monismmy enivisies or the reulb of • grounJsveter eunpling prolvm.
Gi.en the hyPttselim disposal well, additional enslysls and study is nmcssary to ensure
nu environmental luardf will be cmaled by she proposed action.
P-5.16
Cnmmms 16 Groundwater Moa11or1egPW leeemplrte
The numbef af8rnmtdxster monitoring wells fequiml fm wmmertial operation is not
dusdnsM. Innesd. section 3.3.5.7 of the DEIS only wlb for e'Yenes''o(xclls. The
number sod propusM Iocetlons (or thou wells should be mode public ADJitiunallr. how
the subsurlbce hydra-nretigraphic intends will be monilorcd is nor oddrcned b)' the
DEIS. Fur eaample, th< following gtseniom need to be Wdmssd:
.4. Will Ihr xells be dedkakd monitor wells completed soots shop hydm~
Amtigrophie mmn'els^
D How puny up yrnlieot end dawn gradient monitor xelb will be mquimd urd
Over how man)' inkrvala?
Page fi
P-5
47
P-5.16
C. Will these be en independent Broundwner mnnirodng program in ghee to
verify the wake quality rtsulrs rtponed by American Soda'
D. Will American Sode be required so follow normal QA1QC pros«ol when
famDling monitor wells for wvttt yuelily?
E. Will she constiluenu arunic.iron, tempemsurc. phofpharour, ful(ntes,
meynesium. calcium chloride. chromimv, manganese, nitram, nine and
orgenits by annlyud by American Suda^
Thcsc iss,tes need ro be W dreeed, and she rtsuluas plan made avoilebl< for funhrr public
cammem befam the DEIS is deemed so be complek.
Comment I7
P-5.17 Lark a! Prek<Ihe M<uum -d Meaitorug of Total Dusehed Soli) Praductloo Fluids
The DEIS needs so addrtss whit psmective design measures artd lead detmion
mommrin6 danees, equipment end prot«ob wi11 be employed .n she moniorny enJ
pmsntiun ufyrouMwuer queliry fmm rcle.... of high Total Diswlved Solid production
Ouies er wotewner Buids.
P-5 18 Comment Ig Envlronmeotel lingoes ee Celonde River Nol Included
Onnn the rnormous quensiuo of wastt being wilhdrown from We ('oloradu Riser. a
amdy un the mvimmnenul imgcl on the Colorado River muss be indudeJ iv she DEIS
m 0e wilWrawnl of venter may lout advcrac impscb on mrt all or threatened end
endanpercd egtmric species Alw, surh study needs Ip review doxmdver bmums from
removing such o large quantity of we[tt.
P•5.19 Carrunem lq UnW end Plnanre Slrn May Comtln PetablNValrr
Thr UEIS conmim no inreeligosion olthe probabildy Mt a pbch:d aquifer ninf in fit
upper pan of the Onila Formation or tlw Picema Site. If such lunnuiuns exits, [litre is u
high Probobi liry surh an equikr conuim drilling gnalin'water. Whnl. i(any, degnitive
hv,hologic 1Cfb xerc corduckd to desemsi« the esism«e nlenL and water qudiry~ of
such a pcrthgd wets syum be«mh the American Sode projeel situ'!
P•5.2U Comment 30 DE14 Re4n Oa Ouedas<d Dala
The DEIS relies solely an outdated USGS hydrologic all gmhydrologic reports Instead
of using rmenl date and the rcful[s of American SOdi a hydrologic inscstigations end
dau fmm their pilot opereliom. lgds data should be rollmsW using sure-oGtM1eart
sasmms and eompusv modeling, erd made pan of tlrc UEIS for public eommcm.
Comment 3l Mnye of Total D'aaehed Solids is Nlblrodlny
P•5.21 page 1.17 of the DEIS reGrmces Taul DISSOIeed Solids in Ihr upper and lox'er aquifers
from q00-c0,000 mgA. By using surh a hmad range, the DEIS uMersuses the
groundwntrr 9ualisy end the planned prolafs environmcnunl impact on This high-queltsy
ssnter rtsoune. The upper equi far ester Is generally quire goad xith TDS values of
1.300 mgil or Icsf. 001}'thc lower moss fcction of the lower asryifer, tle pen
immdiakl) or mlying the Spline Zunq jnn above the diunludas surface, conuins the
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