1 - Office of Legacy Management

0- Directive 935
Trea-nt of CERCLA Soils and Sludges (U.S. EPA, Septmbor 1988). Inno-
vative technologies and resource recovery options should be included if they
appau feasible.
To the extent practicable, a prelimbary list of broadly defined alter-
natives should k dovelopod that reflects the goal of prerenting range of
distinct, viable option8 to tho docisionmaker. This lirt would therefore
include a rango of alternatives in which troatmont that significantly
roducrs tho toxicity, mbility, or volume of vast. is a principal element:
one or more rlternativos that involvo contaimnt with little or no treat-
ment: and a no-action alternative. The list rkould bo 1imit.C to only those
alterbtivas that u. relevant and cury 8- significant potential for
king finplomonted at tho site. In this way, the ptelhinary identifieatior.
of remadial action8 will allw 8n initial identification of AluRs and will
hlp focus aubsaquent drta-gathering offort..
Invo1vamant of tho vuiour rgoncior 8t this tim vi11 help in identify-
in9 r8modi.l altorn8tivas md stopin9 fiald activities.
Tho dovelopent of
altesaatftn8Tr doscribed in .on datail b 0m-r 4 of this document.
2.2.4 fvrluate the nod for Treatability Studios
If redial actions involving trm?mont have h en identified for a
rite, thon tho M.8 for tZO8t8bflity 8tUdf.a Bhould b. 8valuated as early as
possible in the procors. This ir bocruse aury troatability studies,
oopacially pilot taitb9, MY tako ~ veral months or longer to complete. If
a lengthy rtodp lr rerod and is not inithtd early, completion of the FS
m y k dal8y.d.
Th. initial rctivitior of troatability testing include nseuching
other potantially applicablr data, dosigning tho study, urd procuring
vendors and equipnnt. As appropriate, the80 activities rhould occur coz-
currently w ith rito chuactmriration offorts 80 that if it is determined
that a potential technology is not feasible, md plannod treatability ac::v:-
ties for this technology can be terminated.
scoping trartability studies.
4 t-12
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Chapter S provides guida:=e 0: