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X09-477-2?440 f= W_ T. HULL CO.,- PrejE 17�PO4 OCT :�!593 ASE Appuease;i cE.yoe+ at ., Pbase II tv ntat Assessmejtt Modified Proposal 152 Frank West Circle - SEII&Ian, CA Poe 2 October 21, 1993 Room sump- The majarity of these vats were observed tv be (till and most of theca Contained labels identifying the chenucals within each of them. C.I.C. estimates approximately 13,500 gallons of liquid chemicals will require removaI and disposal. Liquid chemicals that are dletermizted to be coxapatible3 will be ucpumped from Stearn ve been recxtovecl from the vats using vacuum trucks. Once the liquid chemicals ha the vain the vats will be cleaned using a high-premsure steam washer. The rinsate generated during the stOam Cleaning process will also be pumped into the vacuum truce. Characterization of this fluid artd preliminary of the fluid will have b completed dtlring Task 1, therefore, C.K.C.Cce antic pance for jespthat the fluids will be transported immediately following completion vF pumping Md cleaning activities_ Liquid chemicals that are not compatible with the bulk of the liquid chemicals described above will be pumped into DOT approved, 55 -gallon poly drums and will be stored On-site. Once the vats have been pumped moved out of the Plating Room to a staging ed with 6 -ml v s iq cleaned, y wilt be Task 3 - Steam Clean and Remove Wooden Flooring in Plating Room Once the vats have been removed from the Plating lZoom, the wooden flooring Surrounding the vats will be cleaned using a high pressure steam washer_ The rinsate generated during the steam cleaning process will be pumped into vacuum trucks - After steam. cleaning the flooring, it well be moved from the Plating poorn to a staging area limed with d -mil visqueen, Task 4 - Empty and Stearn Mean Concrete Sump Areas Visual 13135ervations reveal that approxirnately 6 inches of water and chemicals are present within a 5,00o square -foot concrete -linea sump in the Plating lvoorc�_ Although the standing water in the Hazardous Waste Treatment Area and Tank Containmertt Area sumps has evaporatecL solidified chemicals dv remain, as noted in the Limited Phase II E,nvirottmental Assessment report_ .ASE recommends that the sumps be steam cleaned in a timely rnaztner since they are partialllr uncovered and W'11 soon receive storm water runoff which will become ceonta tiallY d coo require disposal as hazardous waste.amd C.K.C.. proposes to empty the Plating loom sump using va.ccuurrt trucks, steam clean the surfaces of all tfIree sumps, and ern fy the rinsate from the sumps. c.KC, estimates that approximately 18,000 gallons offluid and rinsate will be removed from the tht'ee sumps. Characterization of this fluid and preliminary acceptances for disposal of the fluid will have been completed d,�ng Task 1, therefore, C_K.C, anticipates that the fluids will be transported immediately following completion of the stunp de}aning ac_tjvities. �O 'd 9£:CI NOW E6-9�-1,O9