Document k9YKm1N02ZYm1YqvEmD80YBdb

Table 1. Potential List of PHSP Pre-Design Studies FOR SF.TTiF.MENT PURPOSES ONI. Y - SUBJECT TO RULE 408 ERE P oten tial Pre-R D Scop e item # Task P ro D c tia rt f.'t'/rf S tm iit'i 1 Site-w ide bathym etry survey 2 Su rface se d im e n t sam p lin g, site-w id e & upriver 3 Fish T issu e Sa m p lin g, site -w id e & u p river 4 Su rface w ate r sam p lin g Purpose Evaluate elevatio n ch an ges, inform decision tree and reco very p o te n tia l Re-b aselin e SW A C , M N R ch an g e s, revise fo o tp rin t, update backgroun d co n d itio n s Re-b aselin e cu rre n t co n d itio n s, e valu ate tissu e ch an g e s, re calcu late cu rre n t risks R e-b ase lin e the river, e valu ate ch an g e s, input into risk calcu la tio n s E stim ated C osts R easonab le Best Estim ate W orst Case $ 3 0 0 ,0 0 0 $ 3 ,2 2 3 ,0 0 0 $ 6 7 7 ,2 0 0 $ 1 ,4 2 5 ,8 1 2 $ 3 9 0 ,0 0 0 $ 3 ,8 6 7 ,6 0 0 $ 1 ,0 1 5 ,8 0 0 $ 2 ,2 8 1 ,3 0 0 5 Su b su rface Sed im en t cores Refine SM A volu m e calcu latio n s and SM A footprint $ 1 ,4 6 6 ,4 0 0 $ 2 ,1 9 9 ,6 0 0 6 Fish A co u stic T ra ck in g Stu d y (U SA C E) Inform Sm allm o u th bass (SM B) fish sam p lin g lo catio n s; va lid ate hom e ran ge a ssu m p tio n ; re -ca lcu la te risk; in fo rm In stitu tio n a l C o n tro ls 7 Cam era Survey o f Anglers R e -evalu ate e xp o su re an d risk; in fo rm P h ase 2 Fish er U ser Stu d y d esign; in fo rm In stitu tio n al co n tro ls 8 Backgro und po rew ater sam p lin g fo r m etals Refine p o re w ate r backgroun d for n atu rally-o ccu rrin g m etals (A s and Mn) 9 Se d im e n t traps Evaluate in co m in g m obil se d im e n t load; 2 u p stre am tra n se cts, 2 sam ples per transect, 3 events SU B TO TA L C O STS for Data C o lle ctio n {Q APP. Field, A n a ly ^ s D ata V alid ation , D atabase M an agem ent) T* i /on if*' A n a ly s t > / R t p m t in g Focused W o rk Plan d e ve lo p m e n t for A O C Path to update the CSM and satisfy D Q O s; geo stats Project Database Build p ro je ct d a ta b a se w ith R I/FS an d re ce n t p o st FS data FSP, Q A PP, D Q M P, H ASP, d ata valid atio n , data m anagem ent, etc. Pre-RD Rem edial Foo tprint Report D escribe how the w o rk w ill be co n d u cte d , w o rke r safe ty for h azard s p o se d by th e W o rk (b u ilt in to th e c o sts ab o ve ) Evaluate active fo o tp rin t, rem ed y revisio n th ro u gh RO D decisio n tree, rem edy costs, refine volum es PDI Evalu atio n Report Refine SW A C S, e valu ate M N R ch an g e s, cu rre n t risks, b aseline co n d itio n s, and u p stre am /b ackg ro u n d levels $ 7 4 7 ,5 0 0 $ 2 0 0 ,0 0 0 $ 1 5 9 ,0 0 0 $ 3 3 0 ,0 0 0 $ 8 ,5 2 8 ,9 1 2 $ 3 0 0 ,0 0 0 $ 2 8 0 ,0 0 0 $0 $ 5 7 5 ,0 0 0 $ 1 ,1 7 5 ,0 0 0 $ 1 ,1 2 1 ,3 0 0 $ 3 0 0 ,0 0 0 $ 2 3 8 ,5 0 0 $ 4 6 2 ,0 0 0 $ 1 1 ,8 7 6 ,1 0 0 $ 5 0 0 ,0 0 0 $ 5 6 0 ,0 0 0 $0 $ 1 ,0 0 0 ,0 0 0 $ 1 ,9 0 5 ,0 0 0 Expert Panel 4 e xp e rts to p ro vid e 3rd party re vie w o f a p p ro ach , resu lts, and fin d in gs $ 2 0 0 ,0 0 0 $ 4 0 0 ,0 0 0 Estim ated T O TA L C o sts fo r Phase 1 P re-D esign Stu d ies SU B T O T A L C O ST S (B A LLP A R K ) fo r Ba'oi A n alysis M a n a g e m e n t/M e e tin g s (9% , 12% ) C ontingency Costs (15% , 20% ) O versigh t co sts fo r D EQ , EPA (ca p ped co st offer, 28% ) $ 2 .5 3 0 ,0 0 0 $ 9 9 5 ,3 0 2 $ 1 ,6 5 8 ,8 3 7 $ 1 ,5 5 0 ,0 0 0 $ 1 5 ,2 6 0 ,0 0 0 $ 4 .3 6 5 .0 0 0 $ 1 ,9 4 8 ,9 3 2 $ 3 ,2 4 8 ,2 2 0 $ 4 ,5 4 7 ,5 0 8 $ 2 5 ,9 9 0 ,0 0 0 Note 1: Surface Sediment Sampling scope includes 580 site samples for unbiased and SMA program Note 2: The 28% oversight costs reflects similar rates used at other RIO sites. Sierra Club v. EPA 18cv3472 NDCA Page 1 Tiers 8&9 ED 002061 00115461-00001