£EPA
          United States
          Environmental Protection
          Agency
             Office of
             Solid Waste and
             Emergency Response
 DIRECTIVE NUMBER: 9441.26(85)

 TITLE: Dioxin-Containing Laboratory Waste


 APPROVAL DATE:  7-5-85

 EFFECTIVE DATE.  7-5-85

 ORIGINATING OFFICE, office Of solid Waste
 m FINAL

 D DRAFT

  LEVEL OF DRAFT

    3 A — Signed by AA or DAA
    H B — Signed by Office Director
   D C — Review & Comment

REFERENCE (other documents):
WER      OS WER       OS WER
DIRECTIVE    DIRECTIVE   Dl

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261  SUBPART A - GENERAL
                                                DOC:  9441.26(85)
Key Words:    Dioxin, Radioactive Wastes, Laboratory Wastes

Regulations:

Subject:      Dioxin-Containing Laboratory Waste

Addressee:    Dennis A. Huebner, Chief, State Waste Programs Branch, Region I

Originator:   John H. Skinner, Director, Office of Solid Waste

Source Doc:   #9441.26(85)
Date:

Summary:
7-5-85
     The memo discusses the regulatory status of laboratory wastes which
contain dioxin and which are also radioactive.

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9441.26 (85)
JJt 5 5
BLJ3J ( , Dio*in Containing Laboratory Wastes
John B. Skinn.r, Director
Off ice of Solid Wist.
TO, Dsn j .g A. Nuibn.r, Chief
Stat. Wa.t. Progra Branch
Region z
This eo is in r .spoi . to your 1 oranth dated
May 2$ 1985, regardj th. reculatory status of laborato
Vast.. vhioh con a dio j , In Particulat., you que.tjo
Whether labora ry vaat . which Contain dioxin and which also
are radioicti,, are subject to the Resource Conge tion and
R o’w.ry Act (RCM) rules or some other set of regulatjo 5 .
?ir.t, you ask vh.tj sr radioactive laboratory vast.. are
•zclud.d from the definition of solid waste since they are
under the Atomic In. rgy Mt of 1 954. C l4 is a naturajly..occurrj
radioisot ., IPA has authority, under RCM, to regulate a
material contajnji it. (8.s the ?ebruary 21, 1984, meaorandua
f m L.s Thgm to Irn..ta Barnes, whjc1 yo cit.d.) Such a
mat.rjal, th•refor,, is a so lje vase., and is a hazardous
vast, it it Sects one of the hasar ious waste characteristic.
or is a RCRA-lj sted waste.
You further que.tjo whsth.r the Particular laboratory
vast. you describe is a hazardous waste listed in 40 CFR 261.31.
Laboratory Wast•s, in geniz , are not regulated undet Subtjtl.
C of RCI . Laboratory vaatss such as chroaatograp j COlu .,
dtsca .4 Solutio.., filt.r eat.rjal, •ta., are not currently
list.d. I the case of a laboratory which analyze8 a RCRA
hazardous. st., the unus. portion of th. waste being analysed
as veil as say residu, or sa mpl. from the analy.j 5 is a RCRA
vast., and is subject to *C regulation. The particular
vastes which you describe are, therefore, not
req%11at. under RCM. Tb. January 14, 19e , dio J regulation.
did not chang. this
With respect to th. laboratory wastes you described in
your Ray 28, 1983 orandua, one can calculate an average

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2
TCDD coae. r j of 2.5 ppb (1.5 ma/25 x 3.2 z 2 kg).
Mat.xj.J.. this degree of cont j stj should be safely
disp ,, vasess are subj. to eric regulatio for
ths dis of radioactive waate whi should ensure that
they ax*;dhpo..4 in a •atisfaCt ty manner.
!f yoir ha ,. any qustions regarding the dioij . listing.,
p1. ... call Dr. Judith 8. Dllin of my staff 1 8he can be
rmach.d at 382-4789.
CCt Judy Bellin
WR-5 62B/J BELLIN/pas/4 75—8551/6—24 —85/Dzs J 384 O14G
08W—lOU DUE DATE: 6—17—85
Co rrected/p.a/7...3 —85

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