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WSP05172
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Last modified
1/26/2010 2:17:16 PM
Creation date
10/12/2006 12:53:50 AM
Metadata
Fields
Template:
Water Supply Protection
File Number
8220.106
Description
Animas-La Plata
State
CO
Basin
San Juan/Dolores
Water Division
7
Date
1/1/1996
Title
Correspondence regarding the Final Supplement to the Final Environmental Statement
Water Supply Pro - Doc Type
EIS
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<br />~--_, ,CW.;?;""".' <br /> <br />,"""""'-:' <br /> <br />SENT BY: BOR-WCAOS SO; <br />"cvCh'CII, a-ID-.Oj IU: ICI..: <br /> <br />8-16-96 4:50PM; 970 385 6539 -> <br />.> IOA'WCAOI 8D; 112 <br /> <br />303 866 4474; <br /> <br />#13/22 <br /> <br />SWQBfNMED Summary <br />August 12> 1996 <br />Paae9 <br /> <br />under Phase I. Stage A_ Under Phase I, Stage 8 the offect "would be the same . . . except that the <br />mean selenium concenlr8tioD would increase approltUnately 9 pm:cnt, ranging 10 . hish of <br />approximately 20 percent." No additional effects are projected under Phase II which cODtradicb <br />information found in Table A-7 (page B-114). We dD 1I0t agne. <br /> <br />To summarize, the additional pollutant com:entrations in the Animu River could be si~ifieant. <br />Consider the following SUIJUDlII)I based on the tables mentioned immediately above: <br /> <br />Phase I - A <br /> <br />Phase I - B <br /> <br />Phase 11 <br /> <br />Se <br /> <br />2_ <br /> <br />7. <br /> <br />4. <br /> <br />----.-.-- - <br />lenlum MerClll'y Copper <br /> -, - <br />O- S,S 0.6- 4,4 2,6. 4,6 2. <br /> ... <br />o - 21.8 -1.7 - 9,4 2.1 - 10.8 7. <br /> - -, <br />7- 14,9 - 2.1 . 9,8 1.7 -11.0 7, <br /> . ._....~'H....~.. ~-.. <br />,7.41.5 .3.2 -13.6 6.4 . 1li.4 1 <br /> --. - <br /> <br />Arsenic <br /> <br />5 - 5.5 <br /> <br />8 - 13.4 <br /> <br />4. 13,7 <br /> <br />Total Increase 13 <br /> <br />7.7.31.6 <br /> <br />The table above shows that BOR predicts that Selenium would increase by at least 13.7% and <br />perhaps by as much 15 42.5%. MercUl')' could decrease by as much as 3,2% or increase by up to <br />23.60/0. Similarly, \lQth c:oppcr Illd anenic are predi"ed to incrcaso by $ignificant amounts. Tlrru. <br />till! CDnclll6UJIIII"d 1If,,, ;, 110 'iI1tiJktutl c"lIItl' '" water '1u1ity all' lit us liD 'ffect DII 4flUllic <br />ljfl! or wildlife if IIDt IlII'JIOrted by tllm OWII proJ'dio"" Till! btcHIUf! 01l1li1 01 tll.u ,oIll11allts <br />by 6111:11 (UfIOlDlts is a rtIlSOff lor COIICCrtl; it is more likely tlltIlllll pollJltll/lts will IncnllSe givillg <br />rise to ct1I1CerlfS (JlH!r possible 6jllle"istic i"'flllcU to N_ MajQ1's IllllUJtic life, wilJJife and <br />Uvutock. <br /> <br />enl..rAminant .("'Pact Asse!l;lId'nflm't <br /> <br />The Assessment folllld mill. of the arithmetic and geometric means of the Irace elements. only the <br />mcaDll for dbsolwd mercury cxc:eeded the EP A aquatic life criteria, and ;onsiders the possibility <br />of contamination of the mercwy samples to be high. III that mercllry c(Jna"tratitllU btJlsII an II <br />kHown, and doc_enkd, probkm in to Su JJIJ11I River below th" point, w, an convinced that <br />_reary Is a "N"'" pTflbkm "ot" ItJborlltory "6tfor",,,lity. <br /> <br />Once aaain, there are major problems with this Assessment. Otometric means of data are used for <br />comparison tl:l the E.P A aquatic liCe criteria in order to detennine potential problClllS. No <br />compan!01:lS ere made with the New Mcxic:o WlI18I' quality stlJ'ldards fl1'ld no compBrisons are made <br />usina the actUal individual sample results. Tb Auessment lISSUIIlC5 that only the dissolved fraction <br />ofthc water "contains tbose elements that an: potentially bloavailable and may result in toldco1ogical <br /> <br />''I; <br />/'3 <br />
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