Savannah River Site offsite hazardous waste shipment data validation report. Revision 1 Page: 37 of 164
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A total of 1,628 drums or lab packs, weighing 647,117 lb (on 43 manifests), had both gamma and
liquid scintillation data. For these items, the liquid scintillation data were abandoned, except some tritium
results, and positive gamma analytical results were required to be explained. Twenty-five drums on four
manifests were categorized as radioactive. Two of these drums were radioactive by process knowledge,
one contained 235U, and 22 contained tritium, as revealed by liquid scintillation. TSP categorized 31
drums on two manifests as likely clean, because the gamma analytical data were inadequate to make a
determination, and the drums came from RMMAs. The remaining 1,572 drums or lab packs, on 43
manifests, were categorized as clean.
Some drums of lead oil waste from the M-Area were analyzed by PAN analysis. Several of these
drums had positive 235U results. TSP will categorize these drums as radioactive. An independent
evaluation of the PAN analytical results and a critique of the evaluation are included in Appendix F. SRS
reported 148 waste items with PAN results. The three manifested shipments reporting 27,426.47 kg of
waste were sent to a CWM in Chicago, Illinois. Twenty drums of M-Area waste had positive PAN
analytical results; some of these may have been transferred to other containers before shipping. The total
amount of radioisotopes known to have been sent to the CWM incinerator in Chicago is estimated to be 39
pCi, in 1,415 gal. A dose assessment has been done to estimate the amount of possible exposure for
workers at the facility and nonworkers near the facility. The waste items for which PAN analysis results
were reported and the analytical data for the 20 drums of waste are listed in Appendix C.
SRS did not report analysis results for the remainder of the waste items. These waste items were
released by HPO certification or were reported as having lost documentation. Waste items shipped under
HPO green tags were surveyed; the surfaces were determined to have less radioactivity than the limits
allowed by DOE Order 5400.5. For these waste items, TSP will categorize waste from within an RCA with
a green tag as clean. Waste from outside an RCA and having a blue tag or other health physics
certification is clean. Items with lost documentation from within an RMMA are likely clean. SRS
reported 1,534 drums or lab packs without analysis results for volume contamination, weighing 153,662
lb, on 84 manifests. TSP will categorize 138 drums or lab packs as likely radioactive because
documentation suggests possible 23sU. TSP will categorize 57 drums or lab packs from RMMAs as likely
clean because of lost documentation. The remainder, 1,339 drums or lab packs, are clean.
SRS reported 150 manifested waste shipments from 1984 to 1991 that covered 4,755 drums or lab
packs and 13 tankers. Of these waste items, TSP will categorize 4,251 as clean (including 12 tankers), 326
as likely clean, 138 as likely radioactive, and 55 as radioactive (including one tanker).
SRS has also investigated hazardous waste shipments made in 1992 and 1993. TSP has not seen all
of the analytical data used to categorize these shipments. However, SRS used the same procedure that TSP
has used to categorize the waste in these shipments. Although these shipments were not originally part of
the scope intended to be covered by this report, TSP has included, in Appendix D, a table that covers all
manifests reported to TSP by SRS on shipments made in 1992 and 1993. TSP does not know whether SRS
made other hazardous waste shipments during these years. The table covers 393 drums or lab packs and
seven tankers, weighing 363,804 lb, on 14 manifests. SRS categorized 58 drums or lab packs as
radioactive, either because of analytical results or by process knowledge. The process knowledge covered
more of the waste spiked with radioisotopes discussed above. Sixteen drums were categorized as likely
radioactive because, although radioanalytical results were not usable, the waste was similar in form and
area of origin to a waste categorized as radioactive.
For all shipments categorized as radioactive or likely radioactive, SRS performed dose assessments.
Louisiana State University has also completed an independent dose assessment for shipments of
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Casey, C.; Kudera, D.E.; Page, L.A. & Rohe, M.J. Savannah River Site offsite hazardous waste shipment data validation report. Revision 1, report, May 1, 1995; Idaho Falls, Idaho. (digital.library.unt.edu/ark:/67531/metadc620807/m1/37/: accessed September 24, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.