ML19322A517
| ML19322A517 | |
| Person / Time | |
|---|---|
| Site: | Phipps Bend  |
| Issue date: | 10/22/1979 |
| From: | Moebes J ENVIRONMENTAL PROTECTION AGENCY |
| To: | Elashry M TENNESSEE VALLEY AUTHORITY |
| References | |
| 4E-WE, NUDOCS 7911070437 | |
| Download: ML19322A517 (1) | |
Text
_
M OCT 2 21979
?.ET :
d-uL e.
'.mej T. !.1 -hary
.nr6c;ar of ovirua.cntal N ali'./
Ten s::w Lil:y A mwrity
_...I aaildq
.;a ttar.coga, Tur.aussue 37adi
.- ht:,?s h::c ;aclear ?hnt..,7 CS Nrnt t o. D a el 1
,~e.oliin Ta+_r siewacwn.tinicizaticts 1:9 art
. Mar Jr. t1 asnry; l
te ave reviewed fcur &;.ast N,1973, rescrt escribig tac design for Sledun sinimization and reraticaal control of solids concentra-icas it tne Fnipps. aid facili ty.
TU.'s *)P000Sd3 956 # c'w OWher Stability INc4 to eetarnine optica.a cycles af concentratica is acceptabla. t.hile it is re.co;nizea taat meup sater 9311ty at times will cut te icod du? to 1.sistin-) upstrear: diser.arscs and Icacning fr'n sne Saltville area. %
pre;ictec optiaea cycles of cecentratian of 1.77 appears icw.
It is not dJ~Crent i:XQir tr2atraddt Of Mter ID ". lad tower (i.a. H;'5J4 addit lCT. etc. )
has ;ecn consider.a in this evaluation.
l Procused 20.i1torig and control of careap rates and tasin water level ap:: ears exc 11 eat. icwever, in crder to acnieve wrait lla1*.atior.s or, tutal residual calcrine. it my be necessary to v.olo up londown su:smumt to calcrina tion.
It is reca::wnded that TVA give further cons 12eration to including ' control valycs h the blowiown systm to ass.ve positin control of rel+.ases. Flow from the towers may coc.tiewe for a siinificant terlod of ti..e after cessation of aag, cup flow if tne or.ly control is the cali': rated ueir.
Sincerely yours, D
D L6
~
-Q g r D Jonn R..MoeLos
, {'
g Chiaf, AY/Tri Compliance Group b.
'/ater EnforccNnt Branch inforcwaent Division cc:
W. Enneta E. 31ack,.tegional Director
'J. S. Fisa and Wildlife brvice "r. Earl saing, Cntaf 0
- aoxvilla usin Office Tennessee Coartaent of Public iiealta h M % % % J L %5R5 a.. a 4. o g.*
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