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PPPPPPP' CENTRAL I&EY REGIONAL WATER QUALITYL BOARD �PECT,10N REPORT 30 December 19r', DISCHARGER : University of California, Lawrence Livermore National Laboratory, Site .300 LOCATION & COUNTY : Near Tracy, San Joaquin County CONTACT( S ) : See Attached List INSPECTION DATE : 30 October 1987 INSPECTED BY : Wendy Cohen, Keret Landau, Cam Williams ACCOMPANIED BY : O'u'SL9d`�' E��1tl � (`:" `i t✓t1; &' The purpose of this inspection was to discuss the work plan Arid time line k-Aiich i -1�. t �'ri � ( -); TJII��t'7i�� - ..� + )ri t ti.r r;Y, fi ri/--�f 1 - '1�1 i�.r`_ ri(«. '.0 l,ri!,Pec t, s peci 1 i c Pi Oh F;rri_S i'Le`x.•- 4i+,z bequ;i illi tri ..L ugf,a e, Uraney, Si, e ..3.(X7 u-ian�ger,-.--, fir; ! ! { 7(_:Pi �trc- iR1;1-f 1 V lu(,iltE1 L'I ,li .i{)(-)l'L of flu lEc-t c< h0ri ffi?vf lop- rr:r Fred i1of' -i ,7,n Sect.ian Le-_id--J-r for ? t;- Ir!+,`< tiq«tions :rid !:`orrectioris ( T - ioll ,[ ../ _ - liie [.;.ill�f IS ra X i o r e C.t i i.f 1 e i !J { I t Y,';i.t 1 S V.:t given a draft Environmental Rectoraticn 41ork Flan v,,hich includes study descriptions and time schedules for all investigations ri the 1 and C Section , but riot for onaoinq roi.itine monitoring under the Guid, rice and t1onitoring Section headed by + ori nie DC'i-Drange. :e iiijiri it _mi, r!ot ; r1; 1uded is the drywell investigation on which we requested information in June ig87 and have not yet received any response. I subsequently reviewed the wore plan in detail and provided comi-rients to Albert Lamarre, Site 300 Project Leader for I and C. The final work plan was submitted 4 December 1987 and is acceptable. The time schedule and specific work items will be updated in each Envirormiental Investigations Quarterly Report which will show the new and old versions tvr comparison. During the inspection we visited the HE process area including former wastewater lagoons at Buildings 806 and 807 and the Class II surface impoundments (SIs) which now accept the HE wastewater. The SIs are governed by i;raste Discharge Requirements (WDRs) Order No. 85-188, LI NL acknow i edged receipt of our 26 Octo- ber 1987 letter regarding closure of the old lagoons in which we outlined severe problems with the data submitted ( i .e. , soil samples were analyzed for total metals rather than soluble as agreed to years earlier). Fred Hoffman said LLNL has resampled and run the Waste Extraction Test and will submit a report in January 1988 summarizing all data submitted in several reports over .the last year. After that we can evaluate whether any additional testing is needed and determine the final cleanup and/or closure requirements. The upgradient well at the SIs also is contaminated with HE, and this contamination must be investi- REVIEWED BY: