RH-TRU Waste Content Codes (RH TRUCON) Page: 9 of 54
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WASTE FORM: Provides more detailed information on the waste contents, how the waste is
processed, and specific information about the constituents. This includes an estimate of the average
waste density as packaged.
WASTE PACKAGING: Describes, in detail, techniques necessary for waste packaging in a given
content code. This includes the number and type of layers of confinement used in packaging waste,
and the mechanism for bag, can, or container closure. In addition, this includes the size and shape of
inner and outer waste containers, an estimate of the average void volume within each confinement
layer, the number and type of filters (if present) in each confinement layer, and the number of waste
containers per RH-TRU waste canister, as well as the type of RH-TRU waste canister to be used
(i.e., fixed-lid or removable-lid canister). Default void volumes for standard layers of confinement
are provided in Table 2.5-2 of Appendix 2.5 of the RH-TRU Payload Appendices.
METHODS FOR ISOTOPIC DETERMINATION: Describes the types of radioactive measurement
techniques or other methods used to obtain fissile material content and decay heat values for a
particular content code. Information on the radionuclide composition of the waste (ratios of
isotopes/percentages by mass or activity) and date of determination must be provided by the site for
the determination of decay heat limits.
RESIDUAL LIQUIDS: Describes the procedures used to ensure that the limit imposed on residual
liquids (<1% by volume) is met for each content code.
EXPLOSIVES/COMPRESSED GASES: Identifies the methods used to preclude the presence of
explosives or compressed gases.
PYROPHORICS: Describes the controls in place to ensure that pyrophoric materials in the waste
are not present in quantities greater than 1% by weight.
CORROSIVES: Describes the controls in place to ensure that corrosive materials in the waste either
are not present or are neutralized or immobilized prior to placement in a container.
CHEMICAL COMPATIBILITY: Describes the controls in place to ensure chemical compatibility
for the waste contents and the RH-TRU 72-B packaging. All chemicals/materials in the waste in
quantities greater than 1% by weight for a specific content code are restricted to the list of allowable
chemicals/materials (Table 4.3-1 of the RH-TRAMPAC). The total quantity of trace
chemicals/materials in the payload container not listed in Table 4.3-1 of the RH-TRAMPAC is
limited to 5% as specified in Section 4.3.
CHEMICAL LIST: Lists the chemicals/materials that may be present in the content code in
quantities greater than 1% (weight) (used in the chemical compatibility evaluation) and less than or
equal to 1% (weight) and, additionally, may identify the predominant chemicals/materials or
relevant quantities (% weight) of specific materials (used in the G value determination).
G VALUE: Defines the G value (gas generation potential) for the content code based on the
chemicals/materials present in the waste.
ADDITIONAL CRITERIA: Provides details on how the waste qualifies for shipment by meeting
additional transport requirements. This section documents the estimated total concentration of9
RH-TRIUMON Rev 5April 20 7
nQE/WIPP 9n-n45
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Solutions, Washington TRU. RH-TRU Waste Content Codes (RH TRUCON), report, May 1, 2007; Carlsbad, New Mexico. (https://digital.library.unt.edu/ark:/67531/metadc894440/m1/9/: accessed March 18, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.