PART 270  SUBPART G - INTERIM STATUS
                                                               DOC:  9528.02(83)
 Key Words:    Interim Status, Post-Closure

 Regulations:  40 CFR 270.70

 Subject:
 Addressee:
Trip Report:   Region X -  Procedures  for  Evaluating  Proposed
Expansion at  Interim Status Facilities

Kenneth A. Schuster, Chief, Land Disposal Branch, Office of
Solid Waste (WH-565-E)
 Originator:    Arthur Day,  Acting Program Manager,  Land Disposal Branch
               Office of  Solid  Waste  (WH-565-E)

 Source  Doc:    See  Miscellaneous  (9560.09(83)  Question  #7]
 Date:

 Summary:
8-10-83
     The procedures for evaluating a proposed expansion in capacity at an
interim status facility are under $270.70.  An increase in design capacity
requires the approval of the Regional Administrator which oust be based on a
finding that there is a lack of available treatment, storage or disposal capacity
a majol

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                                                               e*3)
7.    Khat  aro^tho  prr>ccc*ures £oc j?v? luatiny a proposed
      nxpanslc;>in  capac^y At an interim status facility?

      Section  £S0.72  (fccnerly 5122. 23(c)) contains these
      procedure!*,   An  increase in design capacity requires
      the in-roval  of  th«  Regional  AcVinistratcr.  This nfprn
      rust  be  bnsod on a  finding  that" there ifl a lack of
      nvailablo  treatront,  storage',  or rlisjyosal capacity at
      hazardous  waete  nanavcn  iC  no  liquid has pvep been collectPd
     prnviousl^a.  The Agency  believe*? that a significant
     propcrt icSjt of prohlers aseociated with scil-pcre liquii-f
     ronltorinrj Novices  (p^ir-arlly ly^inoters)  result fron
           rr  ire til 1^ t irn  ar^ oror^tlcn.   If the syaten
           to prortucp ^-"-flJis, tno inscailation and operation
     cf the* sysf*" should  he  c/refiillv  examined.

     As part of litigation  proceedings ,  we are evaluating th«
     inherent limitations'  of  poll-pore liquid rcnitoring
     device^; the outcone  «£  thin  evaluation ray  be a variance
     fron  soil-pore liquid  rcnircring In limited  situations.
     In the intfrtn,  an

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