United States
Environ menrai Protection
Agency
S EPA
Office of
Solid Waste and
Emergency Response
DIRECTIVE NUMBER: 944101(84)
TITLE: Determining if the Soils from Missouri Dioxj
Sites are Hazardous
APPROVAL DATE: .l-6-84
EFFECTIVE DATE: 1-6- 4 .
ORIGINATING OFFICE: osw
FINAL -
0 DRAFT . .,
LEVEL OF DRAFT• -

0 8 — Signed by Office Director
- - 0 C — Review’ & Comment
REFERENCE (other documents);
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?ART 261 SUBPART A — GENERAL DOC: 9441.01(84)
Key Words: Contaminated Soil, Dioxin
Regulations:
Subject: Determining if the Soils from Missouri Dioxin Sites are Hazardous
Addressee: David Wagoner, Director, Air and Waste Management Division,
Region VII
Originator: John H. Skinner, Director, Office of Solid Waste
Source Doc: 1/9441.01(84)
Date: 1—6—84
Summary:
To determine if a soil, in which toxic compounds are present, is a RCRA
hazardous waste, the origin of the toxicants must be known. If the exact origin
of the toxicants is unknown, the soil is not considered RCRA hazardous unless
it exhibits one or more of the characteristics of RCRA hazardous waste.

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9441.01 (84)
IAN
- b
: 4E 1oRA zDu i
SUBJECT: Soils from 4issouri Dioxin Sites
FROM: John . Skinner, Director
C)ffice of Solid ¶Iaste
rO: David Jac oner, Director
\ir and Iasta Mana e ent Division, £ eçion Vu
2 e nave reviewed the results of the analyticaL rogr m ror
soils fro r 1isscuri dioxin sites, in response to jour re ;ue st
ror an i rerpreeat1on aa to wnetner or not trese soils are
hazardous wastes.
The analyses indicate the presence of a nui ber of toxic com-
pounds in many of the soil samples taken from v3rious sites.
c’ ever, the presence of these tox cants in the so 1 r oes not
automatically rnake tne sci]. a tCR hazardous The ori.jn
of the toxicants must be known in order to etermine that they
are deriv a from a listec nazardous waste(s). If the exact
origin of the toxicants is not known, the soils cannot be con-
sidered RCL A rtazar ous wastes unless they exhibit one or more of
the characteristics of hazardous waste (i.e., ignitability, cor—
rosivity, reactivity, or extraction procedure toxicitfl.
If there are any questions, please contact Matt Straus in
the Waste Identification Branch (FTS 382—4770),
DFagan:d1 f:l/5/84:disIc Pagan 6

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