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SENT BY ~ ~17-97 : 15 32 :INDEPENDENCE M I N lffj ~ 303 832 8106: # 7 As an example, a TSPS-8 model, az the same head, is rued w pump in excess of 32 gpm. "Chia pump arrangement is very similar, in size, to the ones aurently employed. Of wttrse, two of these ptunps opertding simultaneously (av is currently possible) woWd provide a Total capacity of 64 gpm. CC&V has dcsctilxd and demonstrated to the OMLR the monitoring procedures employed for the LVSCS. These monitoring procedures will continue. Jus[ as we did with the LVSCS for Phase I, we will gain a better ttttderstandinp. of the rystem through this monitoring. Tn order to avoid freezing of the pump systems, such az happened for Phase 1, each LVSCS is enclosed, at the surface, in a healed housing. The LVS(;S pumps aze comtet:ted to are automatically-activa[ed electrical generator sets. az ate the pregnant pump systems. In these early stages of the operation of Phase II, CC&V observes and operates the system m gain inci~ht into the changes [o ensure proper future operation, az was done at the ansa of operating nc~ Phase 1 LVSCS. The first, or priurary, "tiro: of defense' against lealtam:e from the Crcsaon Valley Leach Facility is [he wntposite liner .rystem. The second line of defense is the control and liaritarion of pressure head on the lower composite liner. Both of These lines of defeasz appear to be intact and capable of watinuing ro function as desigttai f'or the project life. The computatitm of anticipated flow rates into the LVSCS and the resWtwt flow rates were input into the design of the LVSCS system. CC&V can adapt to tunrre flow rates and, therefore, the second line of defrnse remains intact and functioning as dwiEnod. John for your inrcrest in this matter. Environmental Affairs 1. Data Base For Phase II Low Volutce Solution Collection System (2/14/97/11/96) 2. Graph of Pregnant Solution Head v. LVSCS Flow for Phase fI (2/14/Y7-04/03/97) 3. Graph of Pregnant Solution Head v. LVSCS Flow for Phase II (02/21/97-04/03/97) 4. Graph of Tetttporal Trends of Pregnant Solution Hod and LVSCS Flow (gpd) 2/l4/97 through 04/03/97. 5. Probability Graph of Flow v, Head At Three Confidence Levels for defects of 2 f l that Diameter At Each higher PIS Location 6. Probability Graph of Plow v. Head At Three Confidence Levels for defa:t~ of St2.5 rom Diameter At Lowernost Location and 2t Ittun At Each higher PLS Location 7. Probability Graph of Plow v. Head At Three Coafidcece Levels for del'ecls of St2.5 mm Diameter Only az Otte Location 8. Probability Graph of F7uw v. Head At Three Confidence levels far defecu of 6t3 mm Diameter At Lowermost Location and 2* lrrun At Each hither PLS Location 9. Probability Gnph of Flow v. Head At Three Cnafidettce Levels for defects of 6f 3 mm Diartreter only az One Location 10. Probability Graph of Flow v. Head At Throe Confidence Levels for defects of 713.5 mm Diameter At l.uwarrtost Location and 2t irnm At Each higher PLS I.oca[ion 11. Probability Graph of Flow v. Head At Three Confidence Level for defects of 713.5 mm Diameter At One Location 12. Putrtp Curvca pumps TSP3 & TSPS FI[.E: AIR.N(IG